Alert archive / Wyoming / Winter Storm Warnings in 2011
Winter Storm Warning 9, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at May 18, 2011, 3:00 PM MDT for 9 counties in Wyoming. It took effect at May 18, 2011, 6:00 PM MDT. It was in force for 4 days. 45 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 18, 2011, 3:00 PM MDT (21:00 UTC)
- In effect from
- May 18, 2011, 6:00 PM MDT
- Expired
- May 22, 2011, 6:00 AM MDT
- In force
- 4 days
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 47 km from the middle of the area, began a volume at 21:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 19, 11:33 PM MDT | HEAVY SNOW 6 | 8 S Casper, WY | CASPER MOUNTAIN SNOTEL |
| May 19, 11:34 PM MDT | SNOW 1 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| May 19, 11:35 PM MDT | SNOW 5 | 24 Sw Buffalo, WY | POWDER RIVER PASS SNOTEL |
| May 19, 11:36 PM MDT | HEAVY SNOW 11 | 21 Sw Barnum, WY | GRAVE SPRING SNOTEL |
| May 20, 9:41 AM MDT | HEAVY SNOW 33 | 14 W Crowheart, WY | COLD SPRINGS SNOTEL |
| May 20, 9:41 AM MDT | HEAVY SNOW 47 | 18 W Lander, WY | HOBBS PARK SNOTEL |
| May 20, 9:42 AM MDT | HEAVY SNOW 34 | 19 Ssw Lander, WY | DEER PARK SNOTEL |
| May 20, 9:42 AM MDT | HEAVY SNOW 36 | 26 Nw Lander, WY | ST. LAWRENCE ALT SNOTEL |
| May 20, 9:42 AM MDT | HEAVY SNOW 41 | 7 Nw Atlantic City, WY | SOUTH PASS SNOTEL |
| May 20, 9:42 AM MDT | HEAVY SNOW 44 | 12 Sw Lander, WY | TOWNSEND CREEK SNOTEL |
| May 20, 9:43 AM MDT | SNOW 4 | 22 Sse Casper, WY | RENO HILL SNOTEL |
| May 20, 9:43 AM MDT | HEAVY SNOW 6 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| May 20, 9:43 AM MDT | HEAVY SNOW 7 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| May 20, 9:44 AM MDT | SNOW 3 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| May 20, 9:45 AM MDT | SNOW 4 | 14 Ne Shell, WY | BONE SPRINGS DIVIDE SNOTEL |
| May 20, 9:45 AM MDT | HEAVY SNOW 6 | 28 E Lovell, WY | BALD MOUNTAIN SNOTEL |
| May 20, 9:45 AM MDT | HEAVY SNOW 8 | 40 W Thermopolis, WY | OWL CREEK SNOTEL |
| May 20, 9:45 AM MDT | HEAVY SNOW 9 | 18 Wsw Meeteetse, WY | TIMBER CREEK SNOTEL |
| May 20, 9:45 AM MDT | HEAVY SNOW 16 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| May 20, 9:45 AM MDT | HEAVY SNOW 25 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| May 20, 9:46 AM MDT | SNOW 5 | 13 W Barnum, WY | MIDDLE POWDER SNOTEL |
| May 20, 9:46 AM MDT | SNOW 5 | 18 E Shell, WY | SHELL CREEK SNOTEL |
| May 20, 9:46 AM MDT | HEAVY SNOW 11 | 14 Wnw Mayoworth, WY | BEAR TRAP MEADOW SNOTEL |
| May 20, 9:46 AM MDT | HEAVY SNOW 13 | 17 W Buffalo, WY | CLOUD PEAK RESERVOIR SNOTEL |
| May 20, 9:47 AM MDT | HEAVY SNOW 12 | 27 Nw Buffalo, WY | LITTLE GOOSE SNOTEL |
| May 20, 9:47 AM MDT | HEAVY SNOW 13 | 16 W Buffalo, WY | SOLDIER PARK SNOTEL |
| May 20, 9:47 AM MDT | HEAVY SNOW 15 | 14 Wsw Buffalo, WY | HANSEN SAWMILL SNOTEL |
| May 20, 10:05 AM MDT | SNOW 2 | 2 N Lander, WY | |
| May 20, 10:05 AM MDT | SNOW 5.9 | 6 Sw Lander, WY | |
| May 20, 10:06 AM MDT | SNOW 1.2 | 1 Wsw Lander, WY | |
| May 20, 10:06 AM MDT | SNOW 2 | 17 Nnw Kaycee, WY | |
| May 20, 10:06 AM MDT | SNOW 5.7 | 4 Ssw Lander, WY | |
| May 20, 10:07 AM MDT | SNOW 0.1 | 2 S Casper, WY | |
| May 20, 10:07 AM MDT | SNOW 0.5 | 4 Wsw Casper, WY | |
| May 20, 10:08 AM MDT | SNOW 0.4 | 7 Sse Rock Springs, WY | |
| May 20, 10:09 AM MDT | HEAVY SNOW 6 | Lander Asos, WY | |
| May 20, 10:09 AM MDT | HEAVY SNOW 7.5 | 4.5 Nw Riverton, WY | RIVERTON ASOS |
| May 20, 10:10 AM MDT | SNOW 0.7 | Casper Asos, WY | |
| May 20, 10:11 AM MDT | HEAVY SNOW 6 | Sweetwater Station, WY | |
| May 20, 10:13 AM MDT | SNOW 5.5 | Sinks Canyon, WY | |
| May 20, 10:22 AM MDT | SNOW 1.5 | 2 W Riverton, WY | |
| May 20, 10:22 AM MDT | SNOW 5.5 | 8 Nnw Riverton, WY | |
| May 20, 10:22 AM MDT | HEAVY SNOW 8.5 | 6 Sw Lander, WY | |
| May 20, 10:25 AM MDT | HEAVY SNOW 8.4 | 31 Wsw Thermopolis, WY | |
| May 20, 10:26 AM MDT | HEAVY SNOW 6.4 | 10 S Lander, WY | RED CANYON |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 9.0 hours before the alert went out and 44 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
944 WWUS45 KRIW 182100 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 300 PM MDT WED MAY 18 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AS WELL AS FOR THE LANDER FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER THE PACIFIC NORTHWEST WILL TRACK ACROSS COLORADO TONIGHT AND INTO EASTERN WYOMING THURSDAY AND THURSDAY NIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO THE MOUNTAINS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. SIGNIFICANT SNOW MAY ALSO OCCUR IN THE LANDER FOOTHILLS FROM THURSDAY MORNING THROUGH FRIDAY MORNING. WYZ002-190600- /O.UPG.KRIW.WS.A.0006.110519T0000Z-110520T1800Z/ /O.NEW.KRIW.WS.W.0009.110519T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 300 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY MAY BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-190600- /O.UPG.KRIW.WS.A.0006.110519T0000Z-110520T1800Z/ /O.NEW.KRIW.WS.W.0009.110519T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 300 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...1 TO 2 FEET OF SNOW ARE EXPECTED. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. MOST OF THE BLOWING AND DRIFTING WILL LIKELY OCCUR THURSDAY THROUGH FRIDAY MORNING. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES MAY BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-190600- /O.UPG.KRIW.WS.A.0006.110519T0000Z-110520T1800Z/ /O.NEW.KRIW.WS.W.0009.110519T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 300 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS MAY BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-190600- /O.UPG.KRIW.WS.A.0006.110519T0000Z-110520T1800Z/ /O.NEW.KRIW.WS.W.0009.110519T0600Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 300 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING....SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...LATE TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR THROUGH THURSDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-190600- /O.UPG.KRIW.WS.A.0006.110519T0000Z-110520T1800Z/ /O.NEW.KRIW.WS.W.0009.110519T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 300 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...WILL RANGE FROM 10 TO 20 INCHES FEET OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH...MAINLY OVER THE EXPOSED RIDGES AND THE MOUTH OF THE WIND RIVER CANYON...WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON MAY BECOME SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ016-190600- /O.NEW.KRIW.WW.Y.0031.110519T0600Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 300 PM MDT WED MAY 18 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOWFALL...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL DEVELOP THIS EVENING AND BECOME WIDESPREAD SNOW BY MIDNIGHT. THE SNOW WILL THEN CONTINUE THROUGH FRIDAY...POSSIBLY HEAVY AT TIMES. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS POSSIBLE...WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL...AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ018-190600- /O.CON.KRIW.WS.A.0006.110519T1200Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 300 PM MDT WED MAY 18 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING. * SUMMARY AND TIMING...RAIN TONIGHT MAY MIX WITH AND CHANGE TO SNOW THURSDAY. THE SNOW MAY BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...MAY RANGE FROM 4 INCHES IN LANDER TO AROUND A FOOT IN SINKS CANYON AND AT ELEVATIONS ABOVE 6000 FEET. * IMPACTS...TRAVEL ON AREA ROADS MAY BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. && $$ TEAM RIVERTON
20 follow-up statements
631 WWUS45 KRIW 190358 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 958 PM MDT WED MAY 18 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TONIGHT AND INTO EASTERN WYOMING THURSDAY AND THURSDAY NIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. WYZ018-190900- /O.UPG.KRIW.WS.A.0006.110519T1200Z-110520T1800Z/ /O.EXB.KRIW.WS.W.0009.110519T1200Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO NOON MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR THE LANDER FOOTHILLS WHICH IS IN EFFECT FROM 6 AM THURSDAY TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...RAIN TONIGHT WILL MIX WITH AND CHANGE TO SNOW BY SUNRISE THURSDAY MORNING. THE SNOW LEVEL WILL GRADUALLY DROP FROM AN ELEVATION OF 6500 FEET TO 5500 FEET BY DAYBREAK THURSDAY MORNING. THE SNOW WILL THEN BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...MAY RANGE FROM 4 INCHES IN LANDER TO AROUND A FOOT IN SINKS CANYON AND AT ELEVATIONS ABOVE 6000 FEET BY MID DAY FRIDAY. * IMPACTS...TRAVEL ON AREA ROADS WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ002-190900- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-190900- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 3 INCHES OF SNOW HAS FALLEN OVER SOME OF THE MOUNTAINS AS OF 7 PM THIS EVENING. 1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. MOST OF THE BLOWING AND DRIFTING WILL LIKELY OCCUR THURSDAY THROUGH FRIDAY MORNING. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-190900- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...AS OF 7 PM THIS MORNING...AROUND 3 TO 6 INCHES OF SNOWFALL HAS ALREADY FALLEN OVER THE SOUTH END OF THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 1 TO 2 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-190900- /O.CON.KRIW.WS.W.0009.110519T0600Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...LATE TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR THROUGH THURSDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-190900- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 958 PM MDT WED MAY 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL TRANSITION INTO A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...TONIGHT. THE SNOWFALL WILL PERSIST THROUGH FRIDAY MORNING. THE MOST SIGNIFICANT SNOWFALL WILL LIKELY OCCUR TONIGHT AND THURSDAY. * SNOW ACCUMULATIONS...WILL RANGE FROM 10 TO 20 INCHES FEET OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 INCHES OF SNOW ON BIRDS EYE PASS AND COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR...MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ016-190900- /O.CON.KRIW.WW.Y.0031.110519T0600Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 958 PM MDT WED MAY 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL DEVELOP THIS EVENING AND BECOME WIDESPREAD SNOW BY MIDNIGHT. THE SNOW WILL THEN CONTINUE THROUGH FRIDAY...POSSIBLY HEAVY AT TIMES. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ LIPSON
828 WWUS45 KRIW 190901 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 301 AM MDT THU MAY 19 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TODAY AND TONIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. WYZ002-191715- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-191715- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 3 INCHES OF SNOW HAS FALLEN OVER SOME OF THE MOUNTAINS AS OF 11 PM THIS EVENING. 1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-191715- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TODAY...TONIGHT AND INTO FRIDAY MORNING. WILL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR DURING THIS TIME FRAME. * SNOW ACCUMULATIONS...AS OF 2 AM THIS MORNING...8 TO 16 INCHES OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 3 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-191715- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....RAIN SHOWERS WILL TURN TO SNOW AFTER SUNRISE. SNOW WILL BECOME HEAVY AT TIMES BY MID TO LATE MORNING. A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES...ARE EXPECTED TO CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-191715- /O.CON.KRIW.WS.W.0009.110519T1200Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN TONIGHT WILL MIX WITH AND CHANGE TO SNOW BY MID MORNING AS THE SNOW LEVEL WILL GRADUALLY DROPS FROM AN ELEVATION OF ABOUT 6000 FEET TO 5500 FEET THIS MORNING. THE SNOW WILL THEN BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...WILL RANGE FROM 8 INCHES IN LANDER WHERE MUCH OF THAT SNOW COULD MELT THIS AFTERNOON BEFORE ANOTHER 4 INCHES ACCUMULATE TONIGHT AND FRIDAY MORNING. ON THE HIGHER FOOTHILLS CLOSER TO 7500 FEET UP TO 2 FEET OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. * IMPACTS...TRAVEL ON AREA ROADS WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-191715- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 301 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 2 INCHES OF SNOWFALL HAVE OCCURRED SO FAR. TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS AND COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-191715- /O.EXB.KRIW.WW.Y.0031.110519T1200Z-110520T0000Z/ CASPER MOUNTAIN- 301 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR CASPER MOUNTAIN WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT THIS EVENING. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS SHORTLY AFTER SUNRISE THIS MORNING. SNOW WILL BE HEAVY AT TIMES THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ016-191715- /O.CON.KRIW.WW.Y.0031.000000T0000Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 301 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW SHOWERS WILL DEVELOP THIS EVENING AND BECOME WIDESPREAD SNOW BY MIDNIGHT. THE SNOW WILL THEN CONTINUE THROUGH FRIDAY...POSSIBLY HEAVY AT TIMES. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
221 WWUS45 KRIW 190927 CCA WSWRIW URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE RIVERTON WY 320 AM MDT THU MAY 19 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TODAY AND TONIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. WYZ002-191745- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-191745- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...2 TO 4 INCHES OF SNOW HAS FALLEN OVER SOME OF THE MOUNTAINS AS OF 2 AM THIS EVENING. 1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-191745- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TODAY...TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR DURING THIS TIME FRAME. * SNOW ACCUMULATIONS...AS OF 2 AM THIS MORNING...8 TO 16 INCHES OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 3 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BECOME SLICK AND SNOW COVERED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-191745- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....RAIN SHOWERS WILL TURN TO SNOW AFTER SUNRISE. SNOW WILL BECOME HEAVY AT TIMES BY MID TO LATE MORNING. A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES... ARE EXPECTED TO CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-191745- /O.COR.KRIW.WS.W.0009.110519T1200Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN WILL MIX WITH AND CHANGE TO SNOW BY MID MORNING AS THE SNOW LEVEL WILL GRADUALLY DROP FROM AN ELEVATION OF ABOUT 6000 FEET TO 5500 FEET THIS MORNING. THE SNOW WILL THEN BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...WILL RANGE FROM 8 INCHES IN LANDER WHERE MUCH OF THAT SNOW COULD MELT THIS AFTERNOON BEFORE ANOTHER 4 INCHES ACCUMULATE TONIGHT AND FRIDAY MORNING. ON THE HIGHER FOOTHILLS AT ELEVATIONS OF 7000 TO 7500 FEET...15 TO 24 INCHES OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. BETWEEN 6000 AND 7000 FEET 8 TO 15 INCHES OF SNOW IS EXPECTED. * IMPACTS...TRAVEL ON AREA ROADS WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-191745- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 320 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 2 INCHES OF SNOWFALL HAVE OCCURRED SO FAR. TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES EXPECTED ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-191745- /O.COR.KRIW.WW.Y.0031.110519T1200Z-110520T0000Z/ CASPER MOUNTAIN- 320 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS EARLY THIS MORNING. SNOWFALL WILL BECOME WIDESPREAD SNOW BY MID TO LATE MORNING. SNOW WILL CONTINUE...HEAVY AT TIMES...THROUGH THIS AFTERNOON...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ016-191745- /O.COR.KRIW.WW.Y.0031.000000T0000Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 320 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS EARLY THIS MORNING. SNOWFALL WILL BECOME WIDESPREAD SNOW BY MID TO LATE MORNING. SNOW WILL CONTINUE...HEAVY AT TIMES...THROUGH THIS AFTERNOON...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ LIPSON
725 WWUS45 KRIW 190939 CCA WSWRIW URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE RIVERTON WY 335 AM MDT THU MAY 19 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TODAY AND TONIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. WYZ002-191815- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-191815- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...2 TO 4 INCHES OF SNOW HAS FALLEN OVER SOME OF THE MOUNTAINS AS OF 2 AM THIS EVENING. 1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-191815- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TODAY...TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR DURING THIS TIME FRAME. * SNOW ACCUMULATIONS...AS OF 2 AM THIS MORNING...8 TO 16 INCHES OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 3 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BECOME SLICK AND SNOW COVERED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-191815- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....RAIN SHOWERS WILL TURN TO SNOW AFTER SUNRISE. SNOW WILL BECOME HEAVY AT TIMES BY MID TO LATE MORNING. A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES... ARE EXPECTED TO CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-191815- /O.COR.KRIW.WS.W.0009.110519T1200Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN WILL MIX WITH AND CHANGE TO SNOW BY MID MORNING AS THE SNOW LEVEL WILL GRADUALLY DROP FROM AN ELEVATION OF ABOUT 6000 FEET TO 5500 FEET THIS MORNING. THE SNOW WILL THEN BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...WILL RANGE FROM 8 INCHES IN LANDER WHERE MUCH OF THAT SNOW COULD MELT THIS AFTERNOON BEFORE ANOTHER 4 INCHES ACCUMULATE TONIGHT AND FRIDAY MORNING. ON THE HIGHER FOOTHILLS AT ELEVATIONS OF 7000 TO 7500 FEET...15 TO 24 INCHES OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. BETWEEN 6000 AND 7000 FEET 8 TO 15 INCHES OF SNOW IS EXPECTED. * IMPACTS...TRAVEL ON AREA ROADS WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-191815- /O.COR.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 335 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 2 INCHES OF SNOWFALL HAVE OCCURRED SO FAR. TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES EXPECTED ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-191815- /O.COR.KRIW.WW.Y.0031.110519T1200Z-110520T0000Z/ CASPER MOUNTAIN- 335 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS SHORTLY AFTER SUNRISE THIS MORNING. THE SNOW WILL BECOME HEAVIER BY MID TO LATE MORNING. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 6 TO 10 INCHES IS EXPECTED. * IMPACTS...RAVEL ALONG THE CASPER MOUNTAIN ROAD WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ016-191815- /O.COR.KRIW.WW.Y.0031.000000T0000Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 335 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS EARLY THIS MORNING. SNOWFALL WILL BECOME WIDESPREAD SNOW BY MID TO LATE MORNING. SNOW WILL CONTINUE...HEAVY AT TIMES...THROUGH THIS AFTERNOON...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 4 TO 7 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS ACROSS AREAS NORTHWEST OF DUBOIS. * IMPACTS...TRAVEL ACROSS THE UPPER WIND RIVER BASIN WILL BECOME HAZARDOUS AT TIMES DUE TO DECREASED VISIBILITY IN SNOWFALL... AS WELL AS SOME SNOW ACCUMULATION ON ROADWAYS. THE MORE HAZARDOUS CONDITIONS WILL OCCUR NORTHWEST OF DUBOIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ LIPSON
264 WWUS45 KRIW 191428 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 828 AM MDT THU MAY 19 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TODAY AND TONIGHT. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH FRIDAY MORNING. WYZ016-191530- /O.CAN.KRIW.WW.Y.0031.000000T0000Z-110520T1800Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 828 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. THE SNOW ADVISORY HAS BEEN CANCELED. SOME LIGHT SNOW IS EXPECTED TODAY AT TIMES...WITH LITTLE IF ANY ACCUMULATION TODAY. HOWEVER...AN INCH OR TWO ARE POSSIBLE TONIGHT AND FRIDAY MORNING. $$ WYZ002-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW ON THE HIGHER PEAKS. NORTH WINDS OF 25 TO 35 MPH WINDS ARE EXPECTED ON THE EAST SLOPES OF THE ABSAROKAS WHICH MAY CAUSE MORE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...2 TO 4 INCHES OF SNOW HAS FALLEN OVER SOME OF THE MOUNTAINS AS OF 2 AM THIS EVENING. 1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BECOME SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TODAY...TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR DURING THIS TIME FRAME. * SNOW ACCUMULATIONS...AS OF 2 AM THIS MORNING...8 TO 16 INCHES OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 3 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BECOME SLICK AND SNOW COVERED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...RAIN WILL MIX WITH AND CHANGE TO SNOW BY MID MORNING AS THE SNOW LEVEL WILL GRADUALLY DROP FROM AN ELEVATION OF ABOUT 6000 FEET TO 5500 FEET THIS MORNING. THE SNOW WILL THEN BECOME HEAVY AT TIMES AND CONTINUE THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...WILL RANGE FROM 8 INCHES IN LANDER WHERE MUCH OF THAT SNOW COULD MELT THIS AFTERNOON BEFORE ANOTHER 4 INCHES ACCUMULATE TONIGHT AND FRIDAY MORNING. ON THE HIGHER FOOTHILLS AT ELEVATIONS OF 7000 TO 7500 FEET...15 TO 24 INCHES OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. BETWEEN 6000 AND 7000 FEET 8 TO 15 INCHES OF SNOW IS EXPECTED. * IMPACTS...TRAVEL ON AREA ROADS WILL BECOME SLICK AND SNOW COVERED THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....RAIN SHOWERS WILL TURN TO SNOW AFTER SUNRISE. SNOW WILL BECOME HEAVY AT TIMES BY MID TO LATE MORNING. A PROLONGED PERIOD OF STEADY SNOW...HEAVY AT TIMES... ARE EXPECTED TO CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-192230- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 828 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY BY MID TO LATE MORNING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...AROUND 2 INCHES OF SNOWFALL HAVE OCCURRED SO FAR. TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES EXPECTED ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-192230- /O.CON.KRIW.WW.Y.0031.000000T0000Z-110520T0000Z/ CASPER MOUNTAIN- 828 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * SUMMARY AND TIMING...RAIN SHOWERS WILL TURN TO SNOW SHOWERS SHORTLY AFTER SUNRISE THIS MORNING. THE SNOW WILL BECOME HEAVIER BY MID TO LATE MORNING. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 6 TO 10 INCHES IS EXPECTED. * IMPACTS...RAVEL ALONG THE CASPER MOUNTAIN ROAD WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
086 WWUS45 KRIW 191636 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1036 AM MDT THU MAY 19 2011 ...A LATE SPRING SNOW STORM IS EXPECTED THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TONIGHT INTO FRIDAY. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TONIGHT THROUGH LATE FRIDAY MORNING. WYZ002-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE TO SPREAD NORTH ACROSS THE RANGE...AND INCREASE IN INTENSITY TODAY. SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS LATER TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...1 TO 2 FEET OF SNOW ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TODAY...TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...AS OF 10 AM THIS MORNING...1 TO 2 FEET OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 3 FEET OF SNOW BY MID DAY FRIDAY WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BE SNOW PACKED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. AS OF 10 AM...SOUTH PASS HIGHWAY 28 IS CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...THE SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...5 TO 10 INCHES ARE EXPECTED AROUND LANDER. HOWEVER...ABOVE 6500 FEET...1 TO 2 FEET OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. * IMPACTS...TRAVEL ON AREA ROADS WILL BE EXTREMELY SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....SNOW...HEAVY AT TIMES...WILL CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS ALONG BEAVER RIM. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BE EXTREMELY SLICK AND SNOW PACKED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-192300- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 1036 AM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-192300- /O.CON.KRIW.WW.Y.0031.000000T0000Z-110520T0000Z/ CASPER MOUNTAIN- 1036 AM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * SUMMARY AND TIMING...SNOW WILL BE HEAVY AT TIMES TODAY THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...SNOWFALL OF 6 TO 10 INCHES IS EXPECTED. * IMPACTS...RAVEL ALONG THE CASPER MOUNTAIN ROAD WILL BECOME SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
666 WWUS45 KRIW 191953 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 153 PM MDT THU MAY 19 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TONIGHT INTO FRIDAY. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TODAY THROUGH LATE FRIDAY MORNING. WYZ002-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE TO SPREAD NORTH ACROSS THE RANGE...AND INCREASE IN INTENSITY THIS AFTERNOON AND EVENING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS LATER TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 8 INCHES OF NEW SNOW HAS FALLEN OVER POWDER RIVER PASS AS OF 1 PM THURSDAY. 1 TO 2 FEET OF TOTAL SNOW FALL ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES DUE TO BLOWING SNOW. AS OF NOON...POWDER RIVER PASS HAS BEEN CLOSED DUE TO THE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...AS OF NOON TODAY...2 TO 3 FEET OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 4 FEET OF TOTAL SNOW BY MID DAY FRIDAY ALONG THE SOUTHERN HALF OF THE RANGE WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. LOWER AMOUNTS ARE EXPECTED NORTH OF BULL LAKE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BE SNOW PACKED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. AS OF 10 AM...SOUTH PASS HIGHWAY 28 IS CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...THE SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...5 TO 10 INCHES ARE EXPECTED AROUND LANDER. HOWEVER...ABOVE 6500 FEET...1 TO 2 FEET OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. * IMPACTS...TRAVEL ON AREA ROADS WILL BE EXTREMELY SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....SNOW...HEAVY AT TIMES...WILL CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS ALONG BEAVER RIM. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BE EXTREMELY SLICK AND SNOW PACKED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-200400- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 153 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ022-200000- /O.CON.KRIW.WW.Y.0031.000000T0000Z-110520T0000Z/ CASPER MOUNTAIN- 153 PM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * SUMMARY AND TIMING...SNOW WILL BE HEAVY AT TIMES TODAY THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...4 INCHES OF SNOW HAS FALLEN AS OF 1 PM. SNOWFALL OF 6 TO 10 INCHES IS EXPECTED. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AS THE CASPER MOUNTAIN ROAD BECOMES SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
059 WWUS45 KRIW 192359 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 559 PM MDT THU MAY 19 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH THE REST OF THE WORK WEEK ACROSS MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER UTAH WILL TRACK ACROSS COLORADO TODAY AND INTO EASTERN WYOMING LATER TONIGHT INTO FRIDAY. THE COMBINATION OF ABUNDANT GULF AND PACIFIC MOISTURE AND COLD AIR WILL BRING SIGNIFICANT SNOWFALL TO MUCH OF THE MOUNTAINS AND FOOTHILLS EAST OF THE DIVIDE TODAY THROUGH LATE FRIDAY MORNING. WYZ022-200100- /O.EXP.KRIW.WW.Y.0031.000000T0000Z-110520T0000Z/ CASPER MOUNTAIN- 559 PM MDT THU MAY 19 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING. SNOW HAS TAPERED OFF TO SNOW SHOWERS AND THE THREAT FOR HEAVY SNOW IS OVER. THUS THE WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO EXPIRE AS OF 6 PM MDT. $$ WYZ002-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE TO SPREAD NORTH ACROSS THE RANGE...AND INCREASE IN INTENSITY THIS AFTERNOON AND EVENING. SNOW... HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF TODAY AND CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS LATER TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 8 INCHES OF NEW SNOW HAS FALLEN OVER POWDER RIVER PASS AS OF 1 PM THURSDAY. 1 TO 2 FEET OF TOTAL SNOW FALL ARE EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES DUE TO BLOWING SNOW. AS OF NOON...POWDER RIVER PASS HAS BEEN CLOSED DUE TO THE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND INTO FRIDAY MORNING. SNOWFALL WILL OCCASIONALLY FALL AT A RATE OF 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...AS OF NOON TODAY...2 TO 3 FEET OF SNOW HAS ALREADY FALLEN ON THE EAST SLOPE OF THE WIND RIVER MOUNTAINS. EXPECT 2 TO 4 FEET OF TOTAL SNOW BY MID DAY FRIDAY ALONG THE SOUTHERN HALF OF THE RANGE WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. LOWER AMOUNTS ARE EXPECTED NORTH OF BULL LAKE. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. HOWEVER NORTH WINDS OF 25 TO 40 MPH OVER SOUTH PASS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL ACROSS SOUTH PASS WILL BE SNOW PACKED ALONG WITH SIGNIFICANTLY REDUCED VISIBILITY DUE TO BLOWING SNOW. AS OF 10 AM...SOUTH PASS HIGHWAY 28 IS CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...THE SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS...5 TO 10 INCHES ARE EXPECTED AROUND LANDER. HOWEVER...ABOVE 6500 FEET...1 TO 2 FEET OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. * IMPACTS...TRAVEL ON AREA ROADS WILL BE EXTREMELY SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....SNOW...HEAVY AT TIMES...WILL CONTINUE FOR THE REST OF TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS ALONG BEAVER RIM. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS AS WELL AS HIGHWAY 287 FROM BEAVER RIM THROUGH SWEETWATER STATION AND JEFFREY CITY WILL BE EXTREMELY SLICK AND SNOW PACKED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-200800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 559 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE REST OF THE DAY TODAY...TONIGHT AND FRIDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 20 TO 35 MPH WILL OCCUR... MAINLY OVER THE EXPOSED RIDGES AS WELL AS THE MOUTH OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
909 WWUS45 KRIW 200242 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 842 PM MDT THU MAY 19 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH FRIDAY MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... WYZ002-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE ACROSS THE RANGE...MODERATE TO HEAVY AT TIMES OVERNIGHT INTO FRIDAY MORNING. * SNOW AMOUNTS SO FAR...1 TO 3 INCHES IN THE NORTHERN PART OF THE RANGE. SNOWFALL OF 8 TO 12 INCHES IN THE SOUTHEAST PORTION OF THE RANGE ABOVE MEETEETSE. * TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW AMOUNTS SO FAR...3 TO 5 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...9 TO 14 INCHES HAS FALLEN. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES DUE TO BLOWING SNOW. * HIGHWAY SITUATION...POWER RIVER PASS REMAINS CLOSED AS OF 8 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...MODERATE AT TIMES...WILL CONTINUE THROUGH TONIGHT AND INTO FRIDAY MORNING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR ARE POSSIBLE. * SNOW AMOUNTS SO FAR...AN ESTIMATED 25 TO 45 INCHES HAS FALLEN ON THE EAST SLOPES OF THE MOUNTAINS ABOVE 8500 FEET. SNOWFALL OF 1 TO 2 FEET HAS OCCURRED BELOW 8500 FEET. * SNOW ACCUMULATIONS...EXPECT 2 TO 4 FEET OF TOTAL SNOW BY MID DAY FRIDAY ALONG THE SOUTHERN HALF OF THE RANGE WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. LOWER AMOUNTS ARE EXPECTED NORTH OF BULL LAKE. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL CAUSE SOME DRIFTING SNOW AROUND SOUTH PASS. * IMPACTS...THE HIGHWAY OVER SOUTH PASS WILL BE SLICK TO SNOW COVERED AT TIMES TONIGHT AND FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ018-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR TONIGHT AND FRIDAY MORNING. LOCALLY HEAVY SNOW MAY STILL OCCUR. * SNOW AMOUNTS SO FAR...6 TO 12 INCHES HAS OCCURRED IN THE FOOTHILLS WITH HIGHER AMOUNTS TOWARD SINKS CANYON. * SNOW ACCUMULATIONS...5 TO 10 INCHES ARE EXPECTED AROUND LANDER. HOWEVER...ABOVE 6500 FEET...1 TO 2 FEET OF SNOW WILL FALL BY MID DAY FRIDAY INCLUDING SINKS CANYON. * IMPACTS...TRAVEL ON AREA ROADS WILL BE WET TO SLICK THROUGH MIDNIGHT. ICY TO SLUSHY CONDITIONS MAY OCCUR AFTER MIDNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ019-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING....SNOW...MODERATE AT TIMES...WILL CONTINUE TONIGHT AND FRIDAY MORNING. * SNOW AMOUNTS SO FAR...SNOWFALL OF 4 TO 6 INCHES HAS OCCURRED AROUND SWEETWATER STATION AND AT THE TOP OF BEAVER RIM. LESSER SNOW AMOUNTS HAVE OCCURRED TOWARD JEFFREY CITY. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 6 TO 8 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 10 TO 20 MPH WILL OCCUR. VISIBILITY WILL BE LESS THAN ONE MILE AT TIMES. * IMPACTS...TRAVEL ALONG HIGHWAY 135 FROM SAND DRAW TO BEAVER RIM TO SWEETWATER STATION AS WELL AS HIGHWAY 287 FROM SWEETWATER STATION TO NEAR LANDER WILL BE SLICK OR SLUSHY OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 842 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TONIGHT AND FRIDAY MORNING. * SNOW AMOUNTS SO FAR...AROUND 6 INCHES HAS FALLEN IN THE OWL CREEK MOUNTAINS ABOVE 8500 FEET. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL OCCUR OVER THE EXPOSED RIDGES. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
753 WWUS45 KRIW 200353 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 953 PM MDT THU MAY 19 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH FRIDAY MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... WYZ018-019-200500- /O.CAN.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ LANDER FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITIES OF...LANDER...JEFFREY CITY 953 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOWFALL HAS DECREASED IN INTENSITY AND HAS CHANGED TO RAIN IN SOME AREAS. THEREFORE THE WINTER STORM WARNING FOR THE LANDER FOOTHILLS AND THE GREEN MOUNTAINS HAS BEEN CANCELLED. ANY RAINFALL WILL LIKELY CHANGE BACK OVER TO SNOW AFTER MIDNIGHT BUT ONLY AN ADDITIONAL INCH OR TWO IS EXPECTED. $$ WYZ002-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ ABSAROKA MOUNTAINS- 953 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE ACROSS THE RANGE... MODERATE TO HEAVY AT TIMES OVERNIGHT INTO FRIDAY MORNING. * SNOW AMOUNTS SO FAR...1 TO 3 INCHES IN THE NORTHERN PART OF THE RANGE. SNOWFALL OF 8 TO 12 INCHES IN THE SOUTHEAST PORTION OF THE RANGE ABOVE MEETEETSE. * TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW AT DEAD INDIAN PASS TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 953 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT AND FRIDAY MORNING. * SNOW AMOUNTS SO FAR...3 TO 5 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...9 TO 14 INCHES HAS FALLEN. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED BY MID DAY FRIDAY. * WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE QUARTER OF A MILE AT TIMES DUE TO BLOWING SNOW. * HIGHWAY SITUATION...POWER RIVER PASS REMAINS CLOSED AS OF 8 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 953 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...MODERATE AT TIMES...WILL CONTINUE THROUGH TONIGHT AND INTO FRIDAY MORNING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR ARE POSSIBLE. * SNOW AMOUNTS SO FAR...AN ESTIMATED 25 TO 45 INCHES HAS FALLEN ON THE EAST SLOPES OF THE MOUNTAINS ABOVE 8500 FEET. SNOWFALL OF 1 TO 2 FEET HAS OCCURRED BELOW 8500 FEET. * SNOW ACCUMULATIONS...EXPECT 2 TO 4 FEET OF TOTAL SNOW BY MID DAY FRIDAY ALONG THE SOUTHERN HALF OF THE RANGE WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. LOWER AMOUNTS ARE EXPECTED NORTH OF BULL LAKE. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL CAUSE SOME DRIFTING SNOW AROUND SOUTH PASS. * IMPACTS...THE HIGHWAY OVER SOUTH PASS WILL BE SLICK TO SNOW COVERED AT TIMES TONIGHT AND FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-201200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 953 PM MDT THU MAY 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TONIGHT AND FRIDAY MORNING. * SNOW AMOUNTS SO FAR...AROUND 6 INCHES HAS FALLEN IN THE OWL CREEK MOUNTAINS ABOVE 8500 FEET. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 20 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS ALONG WITH 15 TO 20 INCHES ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL OCCUR OVER THE EXPOSED RIDGES. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON WILL BECOME SLICK TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LIPSON
065 WWUS45 KRIW 200844 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 244 AM MDT FRI MAY 20 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TODAY AND THIS EVENING OVER MUCH OF THE NORTHWESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... WYZ002-201645- /O.EXT.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ ABSAROKA MOUNTAINS- 244 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE ACROSS THE RANGE. THE SNOW WILL BECOME MODERATE TO HEAVY AT TIMES BY LATE MORNING AND WILL CONTINUE UNTIL AROUND MIDNIGHT TONIGHT. * SNOW AMOUNTS SO FAR...1 TO 3 INCHES IN THE NORTHERN PART OF THE RANGE. SNOWFALL OF 8 TO 12 INCHES IN THE SOUTHEAST PORTION OF THE RANGE ABOVE MEETEETSE. * TOTAL SNOW ACCUMULATIONS...10 TO 18 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 4 TO 8 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE HALF OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED...ESPECIALLY AT DEAD INDIAN PASS THIS MORNING AND LATER THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-201645- /O.EXT.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 244 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * SUMMARY AND TIMING...THERE WILL BE A TEMPORARY LULL IN THE SNOWFALL THIS MORNING BEFORE PICKING UP ONCE AGAIN AFTER NOON TODAY. SNOW WILL THEN BECOME HEAVY AT TIMES AND WILL CONTINUE THROUGH MIDNIGHT TONIGHT. * SNOW AMOUNTS SO FAR...3 TO 5 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...9 TO 14 INCHES HAS FALLEN. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED BY MIDNIGHT TONIGHT WITH SOME LESSER AMOUNTS ON THE WEST SLOPE. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 30 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE HALF OF A MILE AT TIMES DUE TO SOME BLOWING SNOW. * HIGHWAY SITUATION...POWER RIVER PASS REMAINS CLOSED AS OF 230 AM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-201645- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ WIND RIVER MOUNTAINS EAST- 244 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * SUMMARY AND TIMING...SNOW...MODERATE AT TIMES...WILL CONTINUE THROUGH AROUND NOON TODAY. SNOWFALL RATES OF ONE INCHES AN HOUR ARE LIKELY AT TIMES. * SNOW AMOUNTS SO FAR...AN ESTIMATED 25 TO 45 INCHES HAS FALLEN ON THE EAST SLOPES OF THE MOUNTAINS ABOVE 8500 FEET. SNOWFALL OF 1 TO 2 FEET HAS OCCURRED BELOW 8500 FEET. * SNOW ACCUMULATIONS...EXPECT 2 TO 4 FEET OF TOTAL SNOW BY MID DAY TODAY ALONG THE SOUTHERN HALF OF THE RANGE WITH LOCALLY HIGHER AMOUNTS ABOVE LANDER. LOWER AMOUNTS ARE EXPECTED NORTH OF BULL LAKE. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL CAUSE SOME DRIFTING SNOW AROUND SOUTH PASS. * IMPACTS...THE HIGHWAY OVER SOUTH PASS WILL BE SLICK TO SNOW COVERED AT TIMES THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ007-201645- /O.CON.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS- 244 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS MORNING. * SNOW AMOUNTS SO FAR...AROUND 7 INCHES HAS FALLEN IN THE OWL CREEK MOUNTAINS ABOVE 8500 FEET. * SNOW ACCUMULATIONS...TOTAL SNOWFALL WILL RANGE FROM 10 TO 15 INCHES OVER THE HIGHER PEAKS TO LESS THAN AN INCH IN THE WIND RIVER CANYON. EXPECT UP TO 10 TO 15 INCHES OF SNOW ON BIRDS EYE PASS AND ON COPPER MOUNTAIN. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL OCCUR OVER THE EXPOSED RIDGES AND AT THE SOUTH END OF THE WIND RIVER CANYON. THE WINDS WILL CAUSE BLOWING AND DRIFTING SNOW REDUCING THE VISIBILITY TO LESS THAN ONE HALF OF A MILE AT TIMES ON THE HIGHER RIDGES AND PEAKS. * IMPACTS...TRAVEL THROUGH THE WIND RIVER CANYON MAY BECOME SLICK AT TIMES THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LIPSON
354 WWUS45 KRIW 201337 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 737 AM MDT FRI MAY 20 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TODAY AND THIS EVENING OVER MUCH OF THE NORTHWESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... WYZ007-015-201445- /O.CAN.KRIW.WS.W.0009.000000T0000Z-110520T1800Z/ OWL CREEK AND BRIDGER MOUNTAINS-WIND RIVER MOUNTAINS EAST- 737 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. THE SNOW HAS TAPERED OFF AND SIGNIFICANT SNOWFALL IS NO LONGER EXPECTED. THEREFORE THE WINTER STORM WARNING HAS BEEN CANCELED. SOME LIGHT SNOW...MIXING WITH RAIN...IS STILL LIKELY TODAY. $$ WYZ002-202000- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ ABSAROKA MOUNTAINS- 737 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * SUMMARY AND TIMING...SNOWFALL WILL CONTINUE ACROSS THE RANGE. THE SNOW WILL BECOME MODERATE TO HEAVY AT TIMES BY LATE MORNING AND WILL CONTINUE UNTIL AROUND MIDNIGHT TONIGHT. * SNOW AMOUNTS SO FAR...1 TO 3 INCHES IN THE NORTHERN PART OF THE RANGE. SNOWFALL OF 8 TO 12 INCHES IN THE SOUTHEAST PORTION OF THE RANGE ABOVE MEETEETSE. * TOTAL SNOW ACCUMULATIONS...10 TO 18 INCHES OVER THE EASTERN AND SOUTHERN ABSAROKAS...WITH 4 TO 8 INCHES OVER THE WESTERN PORTION OF THE RANGE. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE HALF OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED...ESPECIALLY AT DEAD INDIAN PASS THIS MORNING AND LATER THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-202000- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 737 AM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * SUMMARY AND TIMING...THERE WILL BE A TEMPORARY LULL IN THE SNOWFALL THIS MORNING BEFORE PICKING UP ONCE AGAIN AFTER NOON TODAY. SNOW WILL THEN BECOME HEAVY AT TIMES AND WILL CONTINUE THROUGH MIDNIGHT TONIGHT. * SNOW AMOUNTS SO FAR...3 TO 5 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...9 TO 14 INCHES HAS FALLEN. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED BY MIDNIGHT TONIGHT WITH SOME LESSER AMOUNTS ON THE WEST SLOPE. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 30 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE HALF OF A MILE AT TIMES DUE TO SOME BLOWING SNOW. * HIGHWAY SITUATION...POWER RIVER PASS REMAINS CLOSED AS OF 230 AM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
667 WWUS45 KRIW 201957 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 157 PM MDT FRI MAY 20 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TODAY AND THIS EVENING OVER MUCH OF THE NORTHWESTERN AND CENTRAL WYOMING MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING TONIGHT INTO SATURDAY. HEAVY SNOW IS EXPECTED IN THE ABSAROKA MOUNTAINS THROUGH MIDNIGHT TONIGHT...AND INTO THE BIGHORN MOUNTAINS THROUGH NOON SATURDAY. WYZ008-009-210500- /O.EXT.KRIW.WS.W.0009.000000T0000Z-110521T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 157 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON MDT SATURDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON MDT SATURDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES...OVER THE BIGHORNS TONIGHT INTO SATURDAY. THE SNOW WILL INCREASE OVER THE NORTHWEST SLOPES TONIGHT. * SNOW AMOUNTS SO FAR...4 TO 11 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...10 TO 18 INCHES HAS FALLEN. * SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY NOON SATURDAY. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 30 MPH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW ON THE HIGHER MOUNTAINS INCLUDING GRANITE AND POWDER RIVER PASSES. THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL BE SLICK AND SNOW COVERED WITH THE VISIBILITY OCCASIONALLY REDUCED TO BELOW ONE HALF OF A MILE AT TIMES DUE TO SOME BLOWING SNOW. * HIGHWAY SITUATION...POWER RIVER PASS REMAINS CLOSED AS OF 230 AM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ002-210500- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ ABSAROKA MOUNTAINS- 157 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * SNOW AMOUNTS SO FAR...10 TO 25 INCHES OVER THE EASTERN PORTION OF THE RANGE...WITH 3 TO 8 INCHES OVER THE WESTERN PORTION OF THE RANGE. * TOTAL SNOW ACCUMULATIONS...10 TO 25 INCHES OVER THE EASTERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE MAINLY ABOVE 8000 FEET. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH ARE EXPECTED ALONG THE EAST SLOPES...WHICH MAY CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH THE VISIBILITY OCCASIONALLY AT ONE HALF OF A MILE OR LESS. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY WILL BECOME SLICK AND SNOW COVERED...ESPECIALLY AT DEAD INDIAN PASS THIS MORNING AND LATER THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
686 WWUS45 KRIW 210351 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 951 PM MDT FRI MAY 20 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TONIGHT OVER MUCH OF THE NORTHERN MOUNTAINS AND FOOTHILLS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING TONIGHT INTO SATURDAY. HEAVY SNOW IS EXPECTED IN PARTS OF THE ABSAROKA MOUNTAINS THROUGH MIDNIGHT TONIGHT...AND THE BIGHORN MOUNTAINS THROUGH NOON SATURDAY. WYZ002-210600- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ ABSAROKA MOUNTAINS- 951 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * SNOW AMOUNTS SO FAR...9 TO 33 INCHES OVER THE EASTERN PORTION OF THE RANGE...WITH 3 TO 8 INCHES OVER THE WESTERN PORTION OF THE RANGE. * TOTAL SNOW ACCUMULATIONS...10 TO 35 INCHES OVER THE EASTERN ABSAROKAS...WITH 5 TO 10 INCHES OVER THE WESTERN PORTION OF THE RANGE MAINLY ABOVE 8000 FEET BY MIDNIGHT TONIGHT. * WIND AND VISIBILITY...THE VISIBILITY OCCASIONALLY BE DOWN TO ONE HALF OF A MILE OR LESS IN FALLING SNOW. * IMPACTS...TRAVEL ON THE CHIEF JOSEPH HIGHWAY COULD BE SLICK AND SNOW COVERED...ESPECIALLY AT DEAD INDIAN PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ008-009-210900- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 951 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES... OVER THE BIGHORNS TONIGHT INTO SATURDAY. THE SNOW WILL CONTINUE TO INCREASE OVER THE NORTHWEST SLOPES TONIGHT. * SNOW AMOUNTS SO FAR...5 TO 13 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...11 TO 18 INCHES HAS FALLEN WITH THIS STORM. * SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY NOON SATURDAY. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE IN FALLING SNOW AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LIPSON
941 WWUS45 KRIW 210541 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1141 PM MDT FRI MAY 20 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH MIDDAY SATURDAY ACROSS THE BIGHORN MOUNTAINS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING THROUGH SATURDAY MORNING. HEAVY SNOW IS EXPECTED ACROSS THE BIGHORN MOUNTAINS THROUGH NOON SATURDAY. WYZ002-210645- /O.EXP.KRIW.WS.W.0009.000000T0000Z-110521T0600Z/ ABSAROKA MOUNTAINS- 1141 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT... THE WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT. SOME SNOW WILL CONTINUE...MAINLY OVER THEN NORTHERN HALF OF THE ABSAROKA RANGE THROUGH THE DAY SATURDAY. HOWEVER...ADDITIONAL SNOW ACCUMULATIONS THROUGH THE DAY ON SATURDAY ARE EXPECTED ONLY TO BE ONE TO THREE INCHES. HEAVIER SNOW IS EXPECTED TO CONTINUE ACROSS THE BIGHORN MOUNTAINS...ESPECIALLY THROUGH ABOUT NOON SATURDAY. $$ WYZ008-009-211800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 1141 PM MDT FRI MAY 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES... OVER THE BIGHORNS THROUGH MIDDAY ON SATURDAY. * SNOW AMOUNTS SO FAR...5 TO 13 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...11 TO 18 INCHES HAS FALLEN WITH THIS STORM. * SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY NOON SATURDAY. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE IN FALLING SNOW AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ 21
111 WWUS45 KRIW 210836 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 236 AM MDT SAT MAY 21 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH MIDDAY TODAY ACROSS THE BIGHORN MOUNTAINS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING THROUGH THIS MORNING. MODERATE TO HEAVY SNOW IS EXPECTED ACROSS THE BIGHORN MOUNTAINS THROUGH NOON TODAY. WYZ008-009-211800- /O.CON.KRIW.WS.W.0009.000000T0000Z-110521T1800Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 236 AM MDT SAT MAY 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES...OVER THE BIGHORNS THROUGH MIDDAY TODAY. * SNOW AMOUNTS SO FAR...5 TO 13 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...11 TO 18 INCHES HAS FALLEN WITH THIS STORM. * SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY NOON TODAY. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE IN FALLING SNOW AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ LIPSON
604 WWUS45 KRIW 211739 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1139 AM MDT SAT MAY 21 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TONIGHT ACROSS THE BIGHORN MOUNTAINS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING THROUGH SUNDAY MORNING...WITH MODERATE TO HEAVY SNOW EXPECTED ACROSS THE BIGHORN MOUNTAINS. WYZ008-009-220600- /O.EXT.KRIW.WS.W.0009.000000T0000Z-110522T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 1139 AM MDT SAT MAY 21 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT SUNDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM MDT SUNDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES... OVER THE BIGHORNS THROUGH 6 AM SUNDAY MORNING. * SNOW AMOUNTS SO FAR...7 TO 16 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...11 TO 22 INCHES HAS FALLEN WITH THIS STORM. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 5 INCHES ARE EXPECTED...ESPECIALLY NORTH OF POWDER RIVER PASS. SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY 6 AM SUNDAY. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE IN FALLING SNOW AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
456 WWUS45 KRIW 212134 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 334 PM MDT SAT MAY 21 2011 ...A SPRING SNOW STORM WILL CONTINUE THROUGH TONIGHT ACROSS THE BIGHORN MOUNTAINS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING THROUGH SUNDAY MORNING...WITH MODERATE TO HEAVY SNOW EXPECTED ACROSS THE BIGHORN MOUNTAINS. WYZ008-009-220600- /O.CON.KRIW.WS.W.0009.000000T0000Z-110522T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 334 PM MDT SAT MAY 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES... OVER THE BIGHORNS THROUGH 6 AM SUNDAY MORNING. * SNOW AMOUNTS SO FAR...7 TO 16 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...11 TO 22 INCHES HAS FALLEN WITH THIS STORM. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 5 INCHES ARE EXPECTED...ESPECIALLY NORTH OF POWDER RIVER PASS...MAINLY OVERNIGHT. SNOWFALL TOTALS OF 1 TO 2 FEET...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED BY 6 AM SUNDAY. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW ONE HALF OF A MILE IN FALLING SNOW AT TIMES. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
594 WWUS45 KRIW 220505 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1105 PM MDT SAT MAY 21 2011 ...A SPRING SNOW STORM WILL CONTINUE FOR THE REMAINDER OF TONIGHT ACROSS THE BIGHORN MOUNTAINS... .A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST MONTANA WILL CONTINUE TO WRAP PLENTIFUL MOISTURE INTO NORTHERN WYOMING THROUGH SUNDAY MORNING...WITH MODERATE TO HEAVY SNOW EXPECTED ACROSS THE BIGHORN MOUNTAINS. WYZ008-009-221200- /O.CON.KRIW.WS.W.0009.000000T0000Z-110522T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 1105 PM MDT SAT MAY 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES... OVER THE BIGHORNS THROUGH 6 AM SUNDAY MORNING. * SNOW AMOUNTS SO FAR...12 TO 18 INCHES ON THE WEST SLOPES OF THE BIGHORN MOUNTAINS. ON THE EAST SLOPES...ONE TO TWO FEET WITH ISOLATED LOCATIONS NEAR 30 INCHES. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES ARE EXPECTED...ESPECIALLY NORTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...THE VISIBILITY WILL BE REDUCED TO BELOW A QUARTER OF A MILE IN HEAVY SNOW. * IMPACTS...TRAVEL OVER GRANITE AND POWDER RIVER PASSES WILL STILL BE SLICK AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ 21
201 WWUS45 KRIW 221220 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 620 AM MDT SUN MAY 22 2011 WYZ008-009-221330- /O.EXP.KRIW.WS.W.0009.000000T0000Z-110522T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 620 AM MDT SUN MAY 22 2011 ...WINTER STORM WARNING HAS EXPIRED... THE WINTER STORM WARNING IS NO LONGER IN EFFECT. THE STORM SYSTEM THAT PRODUCED THE SNOW AND WINDS OVER THE BIGHORN MOUNTAINS WILL MOVE EAST...AND ACROSS THE NORTHERN PLAINS TODAY. THE SNOW AND WINDS WILL CONTINUE TO TAPER OFF AND THIS MORNING OVER THE BIGHORNS...WITH LESS THAN AN INCH OF NEW SNOW EXPECTED. FOR THAT REASON...THE WINTER STORM WARNING THAT WAS IN EFFECT HAS EXPIRED. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this winter storm warning went out at May 18, 3:00 PM MDT, 0 minutes earlier.
Area forecast discussion, May 18, 3:00 PM MDT, 0 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 300 PM MDT WED MAY 18 2011 .SHORT TERM...TONIGHT THROUGH SATURDAY SHOWERS CONTINUE TO STREAM INTO THE SOUTHERN HALF OF THE STATE THIS AFTERNOON. AREAS ACROSS THE EXTREME SOUTHWESTERN CORNER OF THE CWA ARE REPORTING SHOWERS OF MIXED RAIN AND SNOW...WHILE OTHER AREAS ARE REMAINING RAIN. THE BIG CHALLENGE OF THE CURRENT FORECAST DEALS WITH THE PROGRESSION AND STRENGTH OF THE APPROACHING AREA OF LOW PRESSURE. THE GFS AND NAM MODELS HAVE CONTINUED TO COME FURTHER IN-LINE WITH EACH OTHER WITH THE 12Z RUN. THE AREA OF LOW PRESSURE...WHICH IS CURRENTLY LOCATED AROUND CENTRAL UTAH WILL CONTINUE TO DIVE SOUTHEAST THIS EVENING...APPROACHING THE FOUR CORNERS AREA BEFORE HEADING EASTWARD. THE CORE OF THE LOW PRESSURE WILL THEN MOVE EAST THROUGH COLORADO. DURING THIS TIME SNOWFALL...WHICH WILL BE HEAVY AT TIMES WILL IMPACT THE CENTRAL MOUNTAINS INCLUDING THE ABSAROKA AND EASTERN SLOPES OF THE WIND RIVER MOUNTAINS. BY MIDNIGHT...THE AREA OF LOW PRESSURE WILL BEGIN TO LIFT NORTH. AS WRAP AROUND BEGINS TO DEVELOP...ADDITIONAL AREAS WILL BEGIN TO EXPERIENCE HEAVIER SNOWFALLS...INCLUDING THE GREEN MOUNTAINS AND RATTLESNAKE RANGE. THE UPPER WIND RIVER BASIN INCLUDING THE AREA AROUND DUBOIS WILL ALSO BEGIN TO EXPERIENCE SOME HEAVIER SNOWFALL...ESPECIALLY NORTHWEST OF DUBOIS. WIDESPREAD SHOWERS WILL IMPACT THE CWA THURSDAY. MODELS DEMONSTRATE H7 TEMPERATURES OF -5 TO -3 DEGREES CELSIUS TOMORROW. THESE TEMPERATURES REMAIN ON THE BORDERLINE FOR THE CONVERSION OF RAIN AND SNOW ACROSS THE LOWER ELEVATIONS OF THE WIND RIVER BASIN AND NATRONA COUNTY. SOME QUESTION STILL EXISTS OVER THE LANDER FOOTHILLS...WHO REMAIN IN THEIR WINTER STORM WATCH. CURRENT BELIEF IS THAT ADDITIONAL AREAS WILL NEED TO BE INCLUDED IN WINTER WEATHER HIGHLIGHTS BY THE MORNING HOURS...BUT WILL LEAVE TO NEXT CREW TO MAKE THE FINAL CALL. IN ADDITION TO SNOW CONSIDERATIONS...MODELS CONTINUE TO INTRODUCE BREEZY TO WINDY CONDITIONS FOR MANY AREAS EAST OF THE CONTINENTAL DIVIDE FOR THURSDAY AFTERNOON. THIS MAY COMBINE WITH THE POTENTIAL FOR LIGHT SNOW AND RAIN TO CREATE HAZARDOUS CONDITIONS. SHOWER ACTIVITY WILL LINGER WITH THIS SYSTEM THROUGH THE MAJORITY OF THE FORECAST PERIOD...DUE TO WRAPAROUND AS THE SYSTEM MOVES NORTH INTO THE NORTHERN PLAINS. .LONG TERM...SATURDAY NIGHT THROUGH WEDNESDAY MAJOR LATE SEASON STORM WILL LIKELY STILL BE LINGERING AROUND EASTERN WYOMING ON SATURDAY BEFORE FINALLY MOVING EAST. SNOW WILL CONTINUE OVER THE NORTHERN MOUNTAINS WITH SCATTERED TO NUMEROUS RAIN SHOWERS. GRADUAL IMPROVEMENT SATURDAY NIGHT WITH BRIEF SHORTWAVE RIDGING. ANOTHER STORM IS POSSIBLE EARLY NEXT WEEK. THE ECMWF IS MOST AGGRESSIVE WITH THIS SYSTEM DEVELOPING ANOTHER CLOSED CIRCULATION TO OUR SOUTH MONDAY INTO TUESDAY. THE GFS IS MORE OPEN AND FURTHER NORTH. THIS SYSTEM IS CURRENTLY PASSING JUST SOUTH OF KAMCHATKA AND THE CURRENT PATTERN WOULD CERTAINLY SUPPORT ANOTHER CLOSED LOW OVER THE GREAT BASIN AND CENTRAL ROCKIES. WILL KEEP AT LEAST CHANCE POPS IN DURING THIS PERIOD AND SEE HOW THE TRENDS LOOK TONIGHT. HIGH TEMPERATURES WILL END UP BEING WAY TOO WARM MONDAY AND TUESDAY IF THE ECMWF IS CORRECT. I WILL START NUDGING THESE DOWN FURTHER IF THE EVIDENCE CONTINUES TO SUPPORT THE ECMWF TOMORROW NIGHT. DRIER AND WARMER ON WEDNESDAY WITH THE NEXT SHORTWAVE RIDGE MOVING OVERHEAD. && .AVIATION... RAIN AND MOUNTAIN SNOW WILL IMPACT AREAS EAST OF THE DIVIDE AND OVER THE SOUTHWEST THROUGH THURSDAY EVENING AS A VERY MOIST STORM SYSTEM SETS UP OVER THE CENTRAL ROCKIES. AREAS SUCH AS KRKS...KLND AND KRIW COULD TURN TO SNOW BY 12Z THU...BUT UNCERTAINTY REMAINS AT THIS TIME. SCATTERED SHOWERS ARE POSSIBLE OVER THE FAR WEST. EXPECT MVFR AND EVEN IFR CIGS AND VSBYS WITH WIDESPREAD TERRAIN OBSCURATIONS. GUSTY NORTHEAST WINDS WILL IMPACT THE AREA AS WELL...WITH GUSTS 30-40KT OVER SOUTHEAST FREMONT AND SWEETWATER COUNTIES. && .HYDROLOGY... COOLER TEMPERATURES WILL PREVAIL FOR THE NEXT COUPLE DAYS AS A STRONG AREA OF LOW PRESSURE IMPACTS THE FORECAST AREA. THESE CONDITIONS WILL SLOW SNOWMELT ACROSS WESTERN WYOMING...AND WILL ALLOW FLOODING CONCERNS TO WEAKEN OVER THIS AREA. THE STORM FORECAST TO IMPACT MUCH OF THE STATE THURSDAY AND INTO FRIDAY MAY HAVE A SIGNIFICANT AMOUNT OF LIQUID PRECIPITATION WITH IT TO IMPACT AREAS EAST OF THE CONTINENTAL DIVIDE. THESE CONDITIONS WILL CONTINUE TO BE MONITORED FOR THEIR POTENTIAL TO INCREASE WATER LEVELS. && .RIW WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 6 PM THIS EVENING TO NOON MDT FRIDAY WYZ002-007>009-015. WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY WYZ019. WINTER STORM WATCH FROM THURSDAY MORNING THROUGH FRIDAY MORNING WYZ018. WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY WYZ016. && SHORT TERM...BRANHAM LONG TERM...SKRBAC AVIATION...TWB HYDROLOGY...BRANHAM
Hazardous weather outlook, May 18, 4:22 AM MDT, 10 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 422 AM MDT WED MAY 18 2011 WYZ001>020-022>030-191100- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 422 AM MDT WED MAY 18 2011 ...WINTER STORM WATCH FOR MUCH OF THE WESTERN AND CENTRAL WYOMING MOUNTAINS EAST OF THE CONTINENTAL DIVIDE TONIGHT THROUGH FRIDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT A DEVELOPING STORM SYSTEM WILL LIKELY PRODUCE MODERATE TO HEAVY PRECIPITATION EAST OF THE CONTINENTAL DIVIDE TONIGHT THROUGH FRIDAY. SIGNIFICANT SNOWFALL IS POSSIBLE ABOVE 7000 FEET DURING THIS PERIOD. DEPENDING ON THE EXACT TRACK OF THIS SYSTEM...THE RAIN COULD CHANGE TO SNOW ALONG THE LANDER FOOTHILLS THURSDAY MORNING. THE EXACT TRACK OF THE STORM IS STILL SOMEWHAT UNCERTAIN AT THIS TIME...SO STAY TUNED FOR UPDATES. ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON ACROSS WESTERN AND CENTRAL WYOMING. FOR THE LATEST INFORMATION ON THE FLOODING SITUATION IN FAR WEST WYOMING...PLEASE SEE OUR FLOOD STATEMENTS PRODUCTS ON THE INTERNET. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ANOTHER SIGNIFICANT STORM SYSTEM MAY DEVELOP ACROSS THE AREA EARLY NEXT WEEK WITH MORE SIGNIFICANT LOWER ELEVATION RAIN AND MOUNTAIN SNOWFALL...ESPECIALLY EAST OF THE DIVIDE. .SPOTTER INFORMATION STATEMENT... SPOTTERS...PLEASE REPORT ANY FLOODING ALONG RIVERS...CREEKS AND STREAMS. PLEASE REPORT ANY SNOWFALL ACCUMULATION. ALSO...PLEASE REPORT ANY HAIL FROM ANY THUNDERSTORMS. THANK YOU. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 6:12 PM MDT | Special Weather Statement | RIW | Johnson | 63 min |
| May 18, 3:26 AM MDT | Winter Storm Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more | 19 hr |
| May 18, 3:00 PM MDT | Winter Weather Advisory | RIW | Fremont, Natrona | 27 hr |
Nearby
Winter Storm Warnings in Wyoming, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.