Alert archive / Wyoming / Winter Storm Warnings in 2012
Winter Storm Warning 11, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Dec 16, 2012, 11:25 AM MST for 5 counties in Wyoming. It was in force for 39 hr. 60 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
- Dec 16, 2012, 11:25 AM MST (18:25 UTC)
- Expired
- Dec 18, 2012, 2:11 AM MST
- In force
- 39 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Park County, WY, Sublette County, WY, Teton County, WY
The radar
The Riverton/Lander radar (KRIW), 116 km from the middle of the area, began a volume at 18:24 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 |
|---|---|---|---|
| Dec 17, 6:05 AM MST | SNOW 4 | Snider Basin, WY | |
| Dec 17, 6:07 AM MST | SNOW 5 | 8.6 Nnw Jackson, WY | JACKSON HOLE-BASE |
| Dec 17, 6:07 AM MST | HEAVY SNOW 13 | 9.3 Nnw Jackson, WY | JACKSON HOLE-MID |
| Dec 17, 6:07 AM MST | HEAVY SNOW 13 | 9.4 Nnw Jackson, WY | JACKSON HOLE-RENDEZVOUS BOWL |
| Dec 17, 6:07 AM MST | HEAVY SNOW 16 | 9.9 Nnw Jackson, WY | JACKSON HOLE-RAYMER |
| Dec 17, 6:08 AM MST | SNOW 4 | 23 Nw Dubois, WY | BROOKS LAKE LODGE |
| Dec 17, 6:08 AM MST | HEAVY SNOW 9 | 14.3 E Thayne, WY | BOX Y RANCH |
| Dec 17, 6:08 AM MST | HEAVY SNOW 12 | 17.2 E Thayne, WY | BLIND BULL SUMMIT |
| Dec 17, 6:08 AM MST | HEAVY SNOW 12 | Commissary Ridge, WY | |
| Dec 17, 6:09 AM MST | SNOW 4 | 1 S Jackson, WY | SNOW KING SKI AREA |
| Dec 17, 6:09 AM MST | HEAVY SNOW 10 | 5 Ne Alta, WY | GRAND TARGHEE-CHIEF JOSEPH |
| Dec 17, 6:14 AM MST | HEAVY SNOW 7 | Moose, WY | |
| Dec 17, 1:09 PM MST | HEAVY SNOW 8 | Star Valley Ranch, WY | |
| Dec 17, 1:09 PM MST | HEAVY SNOW 15 | Alpine, WY | |
| Dec 17, 1:10 PM MST | HEAVY SNOW 7 | 2 Ne Teton Village, WY | |
| Dec 17, 1:10 PM MST | HEAVY SNOW 9.5 | 3 Ssw Wilson, WY | |
| Dec 17, 1:11 PM MST | SNOW 3.1 | 14 Nw Pinedale, WY | |
| Dec 17, 1:11 PM MST | SNOW 4 | 12 Ne Jackson, WY | |
| Dec 17, 1:11 PM MST | HEAVY SNOW 8 | 5 Nw Jackson, WY | |
| Dec 17, 1:12 PM MST | SNOW 3 | Cokeville, WY | |
| Dec 17, 1:12 PM MST | SNOW 4 | Cokeville, WY | |
| Dec 17, 1:12 PM MST | HEAVY SNOW 8 | 5 Nne Thayne, WY | |
| Dec 17, 1:13 PM MST | SNOW 1.6 | 4 Ssw Jackson, WY | |
| Dec 17, 1:13 PM MST | SNOW 5 | 5 Sse Smoot, WY | |
| Dec 17, 1:14 PM MST | SNOW 4 | Pahaska, WY | |
| Dec 17, 1:14 PM MST | HEAVY SNOW 8 | 2 Nw Jackson, WY | |
| Dec 17, 1:14 PM MST | HEAVY SNOW 8 | Jackson, WY | |
| Dec 17, 1:15 PM MST | HEAVY SNOW 8 | 3 W Afton, WY | |
| Dec 17, 1:15 PM MST | HEAVY SNOW 10 | Grand Targhee Ski Area, WY | |
| Dec 17, 1:16 PM MST | SNOW 5 | Pinedale, WY | |
| Dec 17, 1:16 PM MST | HEAVY SNOW 6 | 1 N Pinedale, WY | |
| Dec 17, 1:16 PM MST | HEAVY SNOW 12 | Bondurant, WY | |
| Dec 17, 1:57 PM MST | HEAVY SNOW 6 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Dec 17, 1:58 PM MST | HEAVY SNOW 8 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Dec 17, 1:58 PM MST | HEAVY SNOW 10 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Dec 17, 1:59 PM MST | SNOW 3 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| Dec 17, 1:59 PM MST | SNOW 3 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| Dec 17, 1:59 PM MST | HEAVY SNOW 6 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Dec 17, 1:59 PM MST | HEAVY SNOW 8 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Dec 17, 2:04 PM MST | SNOW 3 | 18 Wsw Meeteetse, WY | TIMBER CREEK SNOTEL |
| Dec 17, 2:04 PM MST | SNOW 3 | 26 Wsw Clark, WY | WOLVERINE SNOTEL |
| Dec 17, 2:04 PM MST | HEAVY SNOW 8 | 56 Sw Cody, WY | YOUNTS PEAK SNOTEL |
| Dec 17, 2:04 PM MST | HEAVY SNOW 16 | 8 Nne Moran Junction, WY | BASE CAMP SNOTEL |
| Dec 17, 2:05 PM MST | HEAVY SNOW 9 | 6 Ene Alta, WY | GRAND TARGHEE SNOTEL |
| Dec 17, 2:05 PM MST | HEAVY SNOW 14 | 20 Ne Bondurant, WY | GROS VENTRE SUMMIT SNOTEL |
| Dec 17, 2:05 PM MST | HEAVY SNOW 17 | 10 N Bondurant, WY | GRANITE CREEK SNOTEL |
| Dec 17, 2:05 PM MST | HEAVY SNOW 17 | 8 W South Entrance, WY | GRASSY LAKE SNOTEL |
| Dec 17, 2:06 PM MST | HEAVY SNOW 13 | South Entrance, WY | SNAKE RIVER STN SNOTEL |
| Dec 17, 2:06 PM MST | HEAVY SNOW 16 | 14 E Bondurant, WY | LOOMIS PARK SNOTEL |
| Dec 17, 2:06 PM MST | HEAVY SNOW 21 | 8 Wnw Jackson, WY | PHILLIPS BENCH SNOTEL |
| Dec 17, 2:07 PM MST | HEAVY SNOW 12 | 12 Nne Pinedale, WY | ELKHART PARK G.S. SNOTEL |
| Dec 17, 2:07 PM MST | HEAVY SNOW 12 | 24 Ese Boulder, WY | BIG SANDY OPENING SNOTEL |
| Dec 17, 2:07 PM MST | HEAVY SNOW 13 | 25 Nw Dubois, WY | TOGWOTEE PASS SNOTEL |
| Dec 17, 2:08 PM MST | HEAVY SNOW 10 | 16 Sw Dubois, WY | GUNSITE PASS SNOTEL |
| Dec 17, 2:08 PM MST | HEAVY SNOW 10 | 22 N Cora, WY | KENDALL RANGER STATION SNOTEL |
| Dec 17, 2:08 PM MST | HEAVY SNOW 12 | 25 Sw Lander, WY | LARSEN CREEK SNOTEL |
| Dec 17, 2:09 PM MST | SNOW 4 | 14 W Crowheart, WY | COLD SPRINGS SNOTEL |
| Dec 17, 2:09 PM MST | HEAVY SNOW 8 | 12 N Cora, WY | NEW FORK LAKE SNOTEL |
| Dec 17, 2:09 PM MST | HEAVY SNOW 8 | 18 W Lander, WY | HOBBS PARK SNOTEL |
| Dec 17, 2:09 PM MST | HEAVY SNOW 10 | 16 E Boulder, WY | POCKET CREEK SNOTEL |
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, 6.4 hours before the alert went out and 122 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
- 1680 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
540 WWUS45 KRIW 161825 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1125 AM MST SUN DEC 16 2012 ...A MAJOR WINTER TAKING SHAPE ACROSS THE WEST THROUGH MONDAY NIGHT... .A COUPLE STORM SYSTEMS WILL IMPACT THE AREA TODAY AND MONDAY WITH THE POTENTIAL FOR A VERY SIGNIFICANT WINTER STORM TO HIT LATER SUNDAY NIGHT THROUGH MONDAY NIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES WILL BE POSSIBLE IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS MAY SEE 5 TO 10 INCHES. THE SNOW WILL BE ACCOMPANIED BY VERY STRONG WINDS ON MONDAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM DURING THE DAY MONDAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH MONDAY NIGHT INTO TUESDAY MORNING. WYZ012-170000- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ /O.NEW.KRIW.WS.W.0011.121216T1825Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL 11 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY WITH A BRIEF RESPITE POSSIBLE THIS EVENING BEFORE HEAVIER SNOW REDEVELOPS LATER TONIGHT AND CONTINUES THROUGH MONDAY EVENING. THE HEAVIEST SNOW WILL LIKELY BE LATE TONIGHT THROUGH MONDAY MORNING WHEN SNOW RATES WILL LIKELY EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE LATER TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED...ESPECIALLY LATER TONIGHT AND ESPECIALLY ON MONDAY AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON PASS WILL LIKELY BE SEVERELY HAMPERED LATER TONIGHT INTO MONDAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-170000- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ /O.NEW.KRIW.WS.W.0011.121216T1825Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL 11 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH MONDAY EVENING BEFORE DIMINISHING. THERE MAY BE A BRIEF RESPITE LATER THIS AFTERNOON OR EVENING BEFORE HEAVIER SNOW RETURNS LATER TONIGHT AND CONTINUES ALL DAY MONDAY AND INTO MONDAY EVENING. THE HEAVIEST SNOW WILL BE LATER TONIGHT AND MONDAY MORNING. INCREASING SOUTHWEST WIND WILL DEVELOP OVERNIGHT AND CONTINUE ON MONDAY PRODUCING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS ON MONDAY REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS THE STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-170000- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T1200Z/ /O.NEW.KRIW.WS.W.0011.121216T1825Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY WITH A BRIEF RESPITE POSSIBLE THIS EVENING BEFORE HEAVIER SNOW REDEVELOPS LATER TONIGHT AND CONTINUES THROUGH MONDAY NIGHT. THE HEAVIEST SNOW WILL LIKELY BE LATE TONIGHT THROUGH MONDAY WHEN SNOW RATES WILL LIKELY EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE LATER TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH SOME LOCAL AMOUNTS AROUND 2 FEET ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES ON MONDAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED BY MONDAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-170000- /O.CON.KRIW.WS.A.0009.121217T0600Z-121218T0000Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY AFTERNOON. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL REDEVELOP ACROSS THE AREA TODAY BUT A MUCH MORE SIGNIFICANT STORM SYSTEM MAY IMPACT THE AREA LATER SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM HAS THE CAPABILITY TO PRODUCE HEAVY SNOW AND VERY STRONG WIND. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH ON MONDAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR SNOW SUNDAY AND POTENTIALLY EVEN MORE ON MONDAY ACCOMPANIED BY STRONG WINDS AND WHITEOUT CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-170000- /O.CON.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL REDEVELOP ACROSS THE AREA TODAY BUT A MUCH MORE SIGNIFICANT STORM SYSTEM MAY IMPACT THE AREA LATER SUNDAY NIGHT THROUGH MONDAY EVENING. THIS SYSTEM HAS THE CAPABILITY TO PRODUCE HEAVY SNOW AND STRONG WIND. * SNOW ACCUMULATIONS...1 TO 3 INCHES THROUGH TODAY WITH THE POTENTIAL FOR 5 TO 10 INCHES LATER SUNDAY NIGHT THROUGH MONDAY EVENING. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE AT TIMES... MAINLY ON MONDAY. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-170000- /O.CON.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL REDEVELOP TODAY BUT A MUCH MORE SIGNIFICANT STORM SYSTEM MAY IMPACT THE AREA LATER SUNDAY NIGHT THROUGH MONDAY EVENING. THIS SYSTEM HAS THE CAPABILITY TO PRODUCE HEAVY SNOW AND STRONG WIND. * SNOW ACCUMULATIONS...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS TOWARDS BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN PINEDALE AND BONDURANT MAY BECOME SNOW COVERED AND QUITE SLICK ON MONDAY AND THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-170000- /O.CON.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ WIND RIVER MOUNTAINS WEST- 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL REDEVELOP ACROSS THE AREA TODAY BUT A MUCH MORE SIGNIFICANT STORM SYSTEM MAY IMPACT THE AREA LATER SUNDAY NIGHT THROUGH MONDAY EVENING. THIS SYSTEM HAS THE CAPABILITY TO PRODUCE HEAVY SNOW AND STRONG WIND. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS. * IMPACTS...TRAVEL OVER SOUTH PASS MAY BECOME SEVERELY HAMPERED BY WHITE OUT CONDITIONS ON MONDAY WHEN HEAVY SNOW COMBINES WITH VERY STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-170000- /O.CON.KRIW.WS.A.0009.121217T1200Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 1125 AM MST SUN DEC 16 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT. * SUMMARY AND TIMING...LIGHT SNOW WILL REDEVELOP ACROSS THE AREA TODAY BUT A MUCH MORE SIGNIFICANT STORM SYSTEM MAY IMPACT THE AREA MONDAY THROUGH MONDAY NIGHT. THIS SYSTEM HAS THE CAPABILITY TO PRODUCE HEAVY SNOW AND STRONG WIND. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND ON MONDAY. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ SKRBAC
8 follow-up statements
572 WWUS45 KRIW 162216 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 316 PM MST SUN DEC 16 2012 ...A MAJOR WINTER TAKING SHAPE ACROSS THE WEST THROUGH MONDAY NIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST TONIGHT THROUGH MONDAY NIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS OVERNIGHT AND MONDAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM DURING THE DAY MONDAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH MONDAY NIGHT INTO TUESDAY MORNING. WYZ001-171300- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0000Z/ /O.EXB.KRIW.WS.W.0011.121217T0600Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR WIND AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD THIS EVENING AND BECOME MODERATE TO HEAVY AT TIMES LATER TONIGHT THROUGH MONDAY EVENING. SOUTHWEST WINDS WILL ALSO BE ON THE INCREASE LATER TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH ON MONDAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND OVERNIGHT INTO MONDAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-171300- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ /O.EXB.KRIW.WS.W.0011.121217T0600Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL WILL BE ON THE INCREASE LATER THIS EVENING WITH THE PEAK SNOWFALL EXPECTED MONDAY MORNING. SOUTHWEST WINDS WILL ALSO INCREASE LATER TONIGHT AND MONDAY PRODUCING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...5 TO 7 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 10 TO 12 INCHES AROUND MOOSE AND MORAN. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE AT TIMES... MAINLY ON MONDAY. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY...ESPECIALLY ON MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-171300- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ /O.EXB.KRIW.WS.W.0011.121217T0600Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL REDEVELOP LATER THIS EVENING AND BECOME MODERATE TO HEAVY AT TIMES LATER TONIGHT THROUGH MONDAY BEFORE DECREASING MONDAY EVENING. * SNOW ACCUMULATIONS...4 TO 6 INCHES AROUND PINEDALE WITH 8 TO 10 INCHES AROUND CORA AND BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES...MAINLY ON MONDAY. * IMPACTS...TRAVEL BETWEEN PINEDALE AND BONDURANT WILL BECOME SNOW COVERED AND QUITE SLICK LATER TONIGHT THROUGH MONDAY EVENING AND THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-171300- /O.UPG.KRIW.WS.A.0009.121217T0600Z-121218T0600Z/ /O.EXB.KRIW.WS.W.0011.121217T0600Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD ACROSS THE AREA LATER THIS EVENING AND CONTINUE THROUGH MONDAY NIGHT. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND OVERNIGHT INTO MONDAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AND VISIBILITIES DOWN TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS MAY BECOME SEVERELY HAMPERED BY WHITE OUT CONDITIONS LATER TONIGHT THROUGH MONDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-171300- /O.UPG.KRIW.WS.A.0009.121217T1200Z-121218T1200Z/ /O.EXB.KRIW.WS.W.0011.121217T0600Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL DEVELOP ACROSS THE COKEVILLE AREA LATER THIS EVENING AND THEN SPREAD EAST TO KEMMERER BY MORNING. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND ON MONDAY. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ012-171300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE INTO THE EVENING BEFORE HEAVIER SNOW REDEVELOPS LATER TONIGHT AND CONTINUES THROUGH MONDAY EVENING. THE HEAVIEST SNOW WILL LIKELY BE LATE TONIGHT THROUGH MONDAY MORNING WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE LATER TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED...ESPECIALLY LATER TONIGHT AND ESPECIALLY ON MONDAY AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON PASS WILL LIKELY BE SEVERELY HAMPERED LATER TONIGHT INTO MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-171300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH MONDAY EVENING BEFORE DIMINISHING. THERE MAY BE A BRIEF RESPITE LATER THROUGH EARLY THIS EVENING BEFORE HEAVIER SNOW RETURNS LATER TONIGHT AND CONTINUES ALL DAY MONDAY AND INTO MONDAY EVENING. THE HEAVIEST SNOW WILL BE LATER TONIGHT AND MONDAY MORNING. INCREASING SOUTHWEST WIND WILL DEVELOP OVERNIGHT AND CONTINUE ON MONDAY PRODUCING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS ON MONDAY REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS THE STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-171300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 316 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE INTO THIS EVENING BEFORE HEAVIER SNOW REDEVELOPS LATER TONIGHT AND CONTINUES THROUGH MONDAY NIGHT. THE HEAVIEST SNOW WILL LIKELY BE LATE TONIGHT THROUGH MONDAY WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE LATER TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH SOME LOCAL AMOUNTS AROUND 2 FEET ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES ON MONDAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED BY MONDAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-171300- /O.NEW.KRIW.WW.Y.0036.121217T0600Z-121218T0600Z/ ABSAROKA MOUNTAINS- 316 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND WIND WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND BECOME WIDESPREAD ACROSS ALL BUT THE FAR EASTERN PART OF THE AREA LATER TONIGHT AND CONTINUE INTO MONDAY EVENING. STRONG WEST WINDS WILL DEVELOP OVERNIGHT AND CONTINUE ON MONDAY CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST MOUNTAINS WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL BLOW IN MOST AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND OVERNIGHT THROUGH MONDAY EVENING. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ SKRBAC
929 WWUS45 KRIW 170935 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 235 AM MST MON DEC 17 2012 ...A MAJOR WINTER STORM MOVING ACROSS THE WEST THROUGH TONIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST THROUGH TONIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS TODAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM TODAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH MONDAY NIGHT INTO TUESDAY MORNING. WYZ001-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES THROUGH MONDAY EVENING. SOUTHWEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH TODAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND TODAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ012-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY BE THROUGH MONDAY THIS MORNING WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. SNOW WILL TAPER OFF MONDAY EVENING. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON PASS WILL LIKELY BE SEVERELY HAMPERED TODAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS MORNING. SOUTHWEST WINDS WILL ALSO INCREASE AND PRODUCE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 8 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 10 TO 12 INCHES AROUND MOOSE AND MORAN. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY.. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND INTO THIS EVENING. THE HEAVIEST SNOW WILL INTO THE EARLY AFTERNOON TODAY. INCREASING SOUTHWEST WIND WILL DEVELOP PRODUCING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS THE STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY SIGNIFICANT SNOWFALL AND STRONG WIND SHARPLY REDUCING THE VISIBILITY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES BEFORE DECREASING MONDAY EVENING. * SNOW ACCUMULATIONS...4 TO 6 INCHES AROUND PINEDALE WITH 8 TO 10 INCHES AROUND CORA AND BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN PINEDALE AND BONDURANT WILL BECOME SNOW COVERED AND QUITE SLICK THROUGH THIS EVENING AND THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD ACROSS THE AREA TODAY AND CONTINUE THROUGH MONDAY NIGHT. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND TODAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW...ESPECIALLY FROM MIDDAY ON. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AND VISIBILITIES DOWN TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS MAY BECOME SEVERELY HAMPERED BY WHITE OUT CONDITIONS THROUGH 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW WILL TODAY INTO TONIGHT. THE HEAVIEST SNOW WILL LIKELY BE THIS MORNING THROUGH EARLY AFTERNOON WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH SOME LOCAL AMOUNTS AROUND 2 FEET ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES ON MONDAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TODAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 235 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TO SPREAD ACROSS THE AREA THIS MORNING AND CONTINUE INTO TONIGHT. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ026-172300- /O.EXB.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 235 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS MORNING AND CONTINUE INTO THIS EVENING. * SNOW ACCUMULATIONS...2 TO 6 INCHES WITH THE BEST CHANCE OF 6 INCHES NORTH OF BIG PINEY. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ015-172300- /O.EXB.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST- 235 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL DEVELOP TODAY AND BRING BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...6 TO 10 INCHES WITH THE BEST CHANCE OF 10 INCHES IN THE HIGHER ELEVATIONS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AND VISIBILITIES DOWN TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE WIND RIVER MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH MONDAY NIGHT. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-172300- /O.EXB.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 235 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL DEVELOP TODAY AND BRING BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY FROM MIDDAY MONDAY AND INTO THE AFTERNOON. * IMPACTS...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL DEVELOP TODAY AND BRING BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-172300- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 235 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND BECOME WIDESPREAD ACROSS ALL BUT THE FAR EASTERN PART OF THE AREA LATER TONIGHT AND CONTINUE INTO MONDAY EVENING. STRONG WEST WINDS WILL DEVELOP OVERNIGHT AND CONTINUE ON MONDAY CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST MOUNTAINS WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL BLOW IN MOST AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH THIS EVENING. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
253 WWUS45 KRIW 171307 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 607 AM MST MON DEC 17 2012 ...A MAJOR WINTER STORM MOVING ACROSS THE WEST THROUGH TONIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST THROUGH TONIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS TODAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM TODAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH TONIGHT INTO TUESDAY MORNING. WYZ001-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES THROUGH MONDAY EVENING. SOUTHWEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH TODAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND TODAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. && $$ WYZ012-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY BE THIS MORNING...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. SNOW WILL TAPER OFF THIS EVENING. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON AND TOGWOTEE PASSES WILL LIKELY BE SEVERELY HAMPERED TODAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...WITH THE HEAVIEST SNOWFALL EXPECTED THIS MORNING...WHEN SNOW RATES COULD BE AROUND ONE INCH PER HOUR. SOUTHWEST WINDS WILL ALSO INCREASE TODAY...PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 8 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 10 TO 12 INCHES AROUND MOOSE AND MORAN. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE OR LESS AT TIMES. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY...MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY BE THIS MORNING...WHEN SNOW RATES COULD APPROACH...ONE INCH PER HOUR. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. ALSO...INCREASING SOUTHWEST WIND WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES BEFORE TAPERING OFF THIS EVENING. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE INCH PER HOUR. * SNOW ACCUMULATIONS...4 TO 6 INCHES AROUND PINEDALE WITH 8 TO 10 INCHES AROUND CORA AND BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...ROADS BETWEEN PINEDALE AND BONDURANT WILL BE SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD ACROSS THE AREA TODAY AND CONTINUE THROUGH TONIGHT. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND TODAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW...ESPECIALLY FROM MIDDAY ON. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS MAY BECOME SEVERELY HAMPERED BY WHITE OUT CONDITIONS THROUGH 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOW WILL LIKELY BE THROUGH EARLY AFTERNOON...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH SOME LOCAL AMOUNTS AROUND 2 FEET ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES TODAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TODAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-172300- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 607 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-172300- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 607 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...ACROSS THE ABSAROKA MOUNTAIN RANGE...EXCEPT FOR THE FAR EASTERN PART OF THE RANGE. STRONG WEST WINDS WILL CONTINUE CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST PARTS OF THE ABSAROKA MOUNTAINS...WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW EVEN IN THESE AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL...AND BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ026-172300- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 607 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES WILL CONTINUE TODAY...BEFORE GRADUALLY TAPERING OFF TONIGHT. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON. * SNOW ACCUMULATIONS...2 TO 6 INCHES WITH THE BEST CHANCE OF 6 INCHES NORTH OF BIG PINEY. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS ACROSS THE UPPER GREEN RIVER BASIN WILL BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ015-172300- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST- 607 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TO DEVELOP AND BECOME HEAVIER THIS MORNING...WITH PERIODS OF SNOW LASTING THROUGH TONIGHT. STRONG WEST WINDS WILL DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...6 TO 10 INCHES WITH THE BEST CHANCE OF 10 INCHES IN THE HIGHER ELEVATIONS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL INTO THE WIND RIVER MOUNTAINS...INCLUDING OVER SOUTH PASS...WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-172300- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 607 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL ALSO DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY FROM LATE THIS MORNING...INTO THE EARLY EVENING. * IMPACTS...ROADS...INCLUDING INTERSTATE 80...ACROSS THE SWEETWATER COUNTY SHOULD BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON/21
057 WWUS45 KRIW 171811 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1111 AM MST MON DEC 17 2012 ...A MAJOR WINTER STORM WILL CONTINUE TO POUND THE WEST THROUGH TONIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST THROUGH TONIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS TODAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM TODAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH TONIGHT INTO TUESDAY MORNING. WYZ001-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES THROUGH THIS EVENING. SOUTHWEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH TODAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND TODAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. && $$ WYZ012-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY OCCUR THROUGH EARLY THIS AFTERNOON...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. SNOW WILL TAPER OFF THIS EVENING. VERY STRONG WEST WINDS WILL CONTINUE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. SNOWFALL AMOUNTS OF 12 TO 18 INCHES HAVE ALREADY BEEN REPORTED IN THE HIGHER ELEVATIONS OF THE TETONS. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 70 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON AND TOGWOTEE PASSES WILL LIKELY BE SEVERELY HAMPERED TODAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...WITH THE HEAVIEST SNOWFALL EXPECTED THROUGH EARLY THIS AFTERNOON...WHEN SNOW RATES COULD BE AROUND ONE INCH PER HOUR. SOUTHWEST WINDS WILL ALSO INCREASE TODAY...PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...8 TO 12 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 12 TO 18 INCHES AROUND MOOSE AND MORAN. SNOWFALL AMOUNTS OF 6 TO 8 INCHES HAVE ALREADY BEEN REPORTED IN JACKSON SINCE LAST NIGHT WITH 8 TO 12 INCHES ON THE NORTH END OF THE VALLEY. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE OR LESS AT TIMES. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY...MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY CONTINUE THROUGH THE AFTERNOON...WHEN SNOW RATES COULD APPROACH ...ONE INCH PER HOUR. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. ALSO... INCREASING SOUTHWEST WIND WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 18 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES BEFORE TAPERING OFF THIS EVENING. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE INCH PER HOUR. * SNOW ACCUMULATIONS...4 TO 6 INCHES AROUND PINEDALE WITH 8 TO 10 INCHES AROUND CORA AND BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...ROADS BETWEEN PINEDALE AND BONDURANT WILL BE SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD ACROSS THE AREA TODAY AND CONTINUE THROUGH TONIGHT. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND TODAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW...ESPECIALLY FROM MIDDAY ON. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS WILL BE SEVERELY HAMPERED BY WHITE OUT CONDITIONS THROUGH 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOW WILL LIKELY BE THROUGH EARLY AFTERNOON...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH HIGHER AMOUNTS ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES TODAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TODAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 1111 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-180000- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 1111 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...ACROSS THE ABSAROKA MOUNTAIN RANGE...EXCEPT FOR THE FAR EASTERN PART OF THE RANGE. STRONG WEST WINDS WILL CONTINUE CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST PARTS OF THE ABSAROKA MOUNTAINS...WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW EVEN IN THESE AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL... AND BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ026-180000- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 1111 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES WILL CONTINUE TODAY...BEFORE GRADUALLY TAPERING OFF TONIGHT. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON. * SNOW ACCUMULATIONS...2 TO 6 INCHES WITH THE BEST CHANCE OF 6 INCHES NORTH OF BIG PINEY. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS ACROSS THE UPPER GREEN RIVER BASIN WILL BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ015-180000- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST- 1111 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TO DEVELOP AND BECOME HEAVIER THIS MORNING...WITH PERIODS OF SNOW LASTING THROUGH TONIGHT. STRONG WEST WINDS WILL DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...6 TO 10 INCHES WITH THE BEST CHANCE OF 10 INCHES IN THE HIGHER ELEVATIONS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL INTO THE WIND RIVER MOUNTAINS...INCLUDING OVER SOUTH PASS...WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-180000- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 1111 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL ALSO DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY FROM LATE THIS MORNING...INTO THE EARLY EVENING. * IMPACTS...ROADS...INCLUDING INTERSTATE 80...ACROSS THE SWEETWATER COUNTY SHOULD BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ SKRBAC
673 WWUS45 KRIW 171901 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1201 PM MST MON DEC 17 2012 ...A MAJOR WINTER STORM WILL CONTINUE TO POUND THE WEST THROUGH TONIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST THROUGH TONIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS TODAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM TODAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH TONIGHT INTO TUESDAY MORNING. WYZ001-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES THROUGH THIS EVENING. SOUTHWEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH TODAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND TODAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. && $$ WYZ012-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY OCCUR THROUGH EARLY THIS AFTERNOON...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. SNOW WILL TAPER OFF THIS EVENING. VERY STRONG WEST WINDS WILL CONTINUE TODAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. SNOWFALL AMOUNTS OF 12 TO 18 INCHES HAVE ALREADY BEEN REPORTED IN THE HIGHER ELEVATIONS OF THE TETONS. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 70 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON AND TOGWOTEE PASSES WILL LIKELY BE SEVERELY HAMPERED TODAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...WITH THE HEAVIEST SNOWFALL EXPECTED THROUGH EARLY THIS AFTERNOON...WHEN SNOW RATES COULD BE AROUND ONE INCH PER HOUR. SOUTHWEST WINDS WILL ALSO INCREASE TODAY...PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...8 TO 12 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 12 TO 18 INCHES AROUND MOOSE AND MORAN. SNOWFALL AMOUNTS OF 6 TO 8 INCHES HAVE ALREADY BEEN REPORTED IN JACKSON SINCE LAST NIGHT WITH 8 TO 12 INCHES ON THE NORTH END OF THE VALLEY. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE OR LESS AT TIMES. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY...MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY CONTINUE THROUGH THE AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE ...INCH PER HOUR. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. ALSO... INCREASING SOUTHWEST WIND WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 18 INCHES WITH HIGHER AMOUNTS QUITE POSSIBLE FOR THAYNE...ALPINE AND BEDFORD. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES BEFORE TAPERING OFF THIS EVENING. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE INCH PER HOUR. * SNOW ACCUMULATIONS...6 TO 8 INCHES AROUND PINEDALE WITH 12 TO 16 INCHES AROUND CORA AND BONDURANT. AS OF NOON...PINEDALE REPORTED 4 TO 5 INCHES OF NEW SNOW WITH A FOOT IN BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...ROADS BETWEEN PINEDALE AND BONDURANT WILL BE SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL BECOME WIDESPREAD ACROSS THE AREA TODAY AND CONTINUE THROUGH TONIGHT. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND TODAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW...ESPECIALLY FROM MIDDAY ON. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS WILL BE SEVERELY HAMPERED BY WHITE OUT CONDITIONS THROUGH 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOW WILL LIKELY BE THROUGH EARLY AFTERNOON...WHEN SNOW RATES WILL EXCEED ONE INCH PER HOUR. WEST WINDS WILL ALSO BE ON THE INCREASE TODAY. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH HIGHER AMOUNTS ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES TODAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TODAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-180315- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 1201 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-180315- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 1201 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...ACROSS THE ABSAROKA MOUNTAIN RANGE...EXCEPT FOR THE FAR EASTERN PART OF THE RANGE. STRONG WEST WINDS WILL CONTINUE CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST PARTS OF THE ABSAROKA MOUNTAINS...WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW EVEN IN THESE AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL... AND BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ026-180315- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 1201 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES WILL CONTINUE TODAY...BEFORE GRADUALLY TAPERING OFF TONIGHT. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON. * SNOW ACCUMULATIONS...2 TO 6 INCHES WITH THE BEST CHANCE OF 6 INCHES NORTH OF BIG PINEY. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS ACROSS THE UPPER GREEN RIVER BASIN WILL BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ015-180315- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST- 1201 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TO DEVELOP AND BECOME HEAVIER THIS MORNING...WITH PERIODS OF SNOW LASTING THROUGH TONIGHT. STRONG WEST WINDS WILL DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...6 TO 10 INCHES WITH THE BEST CHANCE OF 10 INCHES IN THE HIGHER ELEVATIONS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL INTO THE WIND RIVER MOUNTAINS...INCLUDING OVER SOUTH PASS...WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL AND WIND THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-180315- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 1201 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS MORNING. STRONG WEST WINDS WILL ALSO DEVELOP TODAY...RESULTING IN BLOWING AND DRIFTING OF SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY FROM LATE THIS MORNING...INTO THE EARLY EVENING. * IMPACTS...ROADS...INCLUDING INTERSTATE 80...ACROSS THE SWEETWATER COUNTY SHOULD BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
968 WWUS45 KRIW 172024 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 124 PM MST MON DEC 17 2012 ...A MAJOR WINTER STORM WILL CONTINUE TO POUND THE WEST THROUGH TONIGHT... .A MAJOR WINTER STORM WILL IMPACT THE WEST THROUGH TONIGHT. SNOWFALL AMOUNTS OF 10 TO 20 INCHES CAN BE EXPECTED IN THE FAR WEST MOUNTAINS WITH 6 TO 12 INCHES FURTHER EAST ALONG THE WEST SIDE OF THE WIND RIVER MOUNTAINS. THE VALLEYS WILL SEE 6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST TO SOUTHWEST WINDS TODAY...ESPECIALLY IN THE HIGH COUNTRY BUT EVEN THE VALLEYS WILL BE WINDY. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL LIKELY BECOME A PROBLEM TODAY. CONDITIONS WILL GRADUALLY IMPROVE FROM NORTH TO SOUTH TONIGHT INTO TUESDAY MORNING. WYZ001-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL BE MORE SHOWERY THE REMAINDER OF TODAY AND INTO THIS EVENING WITH VARYING INTENSITIES. STRONG WEST WIND WILL CONTINUE INTO THE EVENING BEFORE DIMINISHING. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE SOUTHERN MOUNTAINS...5 TO 10 INCHES IN MOST OF THE VALLEYS EXCEPT 3 TO 6 INCHES IN THE FAR NORTHERN VALLEYS...INCLUDING MAMMOTH. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH TODAY WITH EVEN STRONGER WINDS ABOVE 9000 FEET CAUSING THE POTENTIAL FOR SIGNIFICANT BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...SNOWMOBILERS AND OTHERS WITH OUTSIDE INTERESTS IN YELLOWSTONE NATIONAL PARK SHOULD BE PREPARED FOR INCREASING SNOW AND WIND TODAY WHICH MAY PRODUCE PERIODS OF WHITEOUT 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. && $$ WYZ012-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...THE PERSISTENT HEAVY SNOW HAS ENDED BUT NOW THE SNOW WILL BE MORE SHOWERY IN NATURE AND FALL IN VARYING INTENSITIES THROUGH THE AFTERNOON...DIMINISHING THIS EVENING. THE WIND WILL CONTINUE TO CAUSE WIDESPREAD BLOWING AND DRIFTING SNOW BEFORE GRADUALLY DECREASING THROUGH THE EVENING. * SNOW ACCUMULATIONS...10 TO 20 INCHES WITH 2 FEET OR MORE POSSIBLE IN THE HIGHER ELEVATIONS...ESPECIALLY WEST FACING SLOPES. SNOWFALL AMOUNTS OF 15 TO 21 INCHES HAVE ALREADY BEEN REPORTED IN THE HIGHER ELEVATIONS OF THE TETONS. * WIND AND VISIBILITY...INCREASING FROM THE WEST AT 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH ESPECIALLY OVER THE PEAKS AND EXPOSED AREAS. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL WILL BE SEVERELY IMPACTED AS THE WINDS COMBINE WITH THE SNOW TO PRODUCE WHITEOUT CONDITIONS. TRAVEL OVER TETON AND TOGWOTEE PASSES WILL LIKELY BE SEVERELY HAMPERED TODAY. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...THE PERSISTENT HEAVY SNOW HAS ENDED BUT NOW THE SNOW WILL BE MORE SHOWERY IN NATURE AND FALL IN VARYING INTENSITIES THROUGH THE AFTERNOON...DIMINISHING THIS EVENING. THE WIND WILL CONTINUE TO CAUSE AREAS OF BLOWING AND DRIFTING SNOW BEFORE GRADUALLY DECREASING THROUGH THE EVENING. * SNOW ACCUMULATIONS...8 TO 12 INCHES IN JACKSON AND THE SOUTH END OF THE VALLEY WITH 12 TO 18 INCHES AROUND MOOSE AND MORAN. SNOWFALL AMOUNTS OF 6 TO 8 INCHES HAVE ALREADY BEEN REPORTED IN JACKSON SINCE LAST NIGHT WITH 8 TO 12 INCHES ON THE NORTH END OF THE VALLEY. * WIND AND VISIBILITY...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH REDUCING THE VISIBILITY TO A QUARTER MILE OR LESS AT TIMES. * IMPACTS...TRAVEL ACROSS THE JACKSON VALLEY...ESPECIALLY IN OPEN AREAS IN THE NORTHERN PORTION OF THE VALLEY...MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES. THE HEAVIEST SNOW WILL LIKELY CONTINUE THROUGH THE AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE INCH PER HOUR. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. ALSO...STRONG SOUTHWEST WIND WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 18 WITH THE HIGHEST AMOUNTS IN THE NORTH END OF THE VALLEY. * WIND AND VISIBILITY...SOUTHWEST 20 T0 30 MPH WITH GUSTS TO 40 MPH IN OPEN AREAS REDUCING THE VISIBILITY UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL ACROSS STAR VALLEY...ESPECIALLY IN OPEN AREAS OF THE VALLEY MAY BE SEVERELY HAMPERED BY HEAVY SNOWFALL...AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY...AND BE MODERATE TO HEAVY AT TIMES BEFORE TAPERING OFF THIS EVENING. THE HEAVIEST SNOWFALL WITH THIS SYSTEM IS EXPECTED TO OCCUR THROUGH EARLY AFTERNOON...WHEN SNOW RATES COULD APPROACH ONE INCH PER HOUR. * SNOW ACCUMULATIONS...6 TO 8 INCHES AROUND PINEDALE WITH 12 TO 16 INCHES AROUND CORA AND BONDURANT. AS OF NOON...PINEDALE REPORTED 4 TO 5 INCHES OF NEW SNOW WITH A FOOT IN BONDURANT. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER MILE AT TIMES. * IMPACTS...ROADS BETWEEN PINEDALE AND BONDURANT WILL BE SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH TONIGHT BUT WILL BEGIN DECREASING THIS EVENING. THE LAST AREA TO IMPROVE WILL BE SOUTH PASS. THE SNOW WILL BE ACCOMPANIED BY STRONG WEST WIND THROUGH EARLY THIS EVENING BEFORE GRADUALLY DECREASING. THE WIND WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST INCREASING TO 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER SOUTH PASS AND OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL OVER SOUTH PASS WILL BE SEVERELY HAMPERED BY WHITE OUT CONDITIONS THROUGH 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING BEFORE DECREASING. STRONG WEST WINDS WILL ALSO CONTINUE THIS AFTERNOON BUT GRADUALLY DECREASE THIS EVENING. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH HIGHER AMOUNTS ON WEST FACING SLOPES. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. THE HIGHER PEAKS COULD SEE GUSTS OF 80 MPH TO 100 MPH. VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES TODAY. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TODAY AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND NEAR ZERO VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-180600- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 124 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING BEFORE GRADUALLY DECREASING. THE SNOW WILL BE ACCOMPANIED BY INCREASING WEST WIND. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-180600- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 124 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * SUMMARY AND TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THIS EVENING...ACROSS THE ABSAROKA MOUNTAIN RANGE...EXCEPT FOR THE FAR EASTERN PART OF THE RANGE. STRONG WEST WINDS WILL CONTINUE CAUSING BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SOUTHWEST PARTS OF THE ABSAROKA MOUNTAINS...WITH 4 TO 8 INCHES IN MOST OTHER AREAS. LIGHTER AMOUNTS WILL FALL IN THE FAR EASTERN PART OF THE RANGE BUT VERY STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW EVEN IN THESE AREAS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH. EVEN STRONGER WINDS CAN BE EXPECTED ON CHIEF JOSEPH HIGHWAY BUT SNOW AMOUNTS WILL BE LIGHTER. VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * IMPACTS...TRAVEL INTO THE ABSAROKA MOUNTAINS WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF INCREASING SNOWFALL... AND BLOWING AND DRIFTING OF SNOW CAUSED BY THE STRONG WIND THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ026-180600- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 124 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE THIS AFTERNOON BEFORE GRADUALLY TAPERING OFF TONIGHT. * SNOW ACCUMULATIONS...2 TO 6 INCHES WITH THE BEST CHANCE OF 6 INCHES NORTH OF BIG PINEY. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS ACROSS THE UPPER GREEN RIVER BASIN WILL BE SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ015-180600- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST- 124 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING BEFORE TAPERING OFF. STRONG WEST WINDS WILL RESULT IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...6 TO 10 INCHES WITH THE BEST CHANCE OF 10 INCHES IN THE HIGHER ELEVATIONS. * WIND AND VISIBILITY...WEST 30 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH OVER THE HIGHER ELEVATIONS CAUSING WHITEOUT CONDITIONS AT TIMES. * IMPACTS...TRAVEL INTO THE WIND RIVER MOUNTAINS...INCLUDING OVER SOUTH PASS...WILL BECOME SEVERELY HAMPERED BY THE COMBINATION OF SNOWFALL AND WIND THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-180600- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 124 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...SNOW WILL DEVELOP AND SPREAD WEST TO EAST ACROSS THE AREA THIS AFTERNOON AND CONTINUE TONIGHT. STRONG WEST WINDS WILL RESULT IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES BY TUESDAY MORNING. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY FROM LATE THIS MORNING...INTO THE EARLY EVENING. * IMPACTS...ROADS...INCLUDING INTERSTATE 80...ACROSS THE SWEETWATER COUNTY SHOULD BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ SKRBAC
635 WWUS45 KRIW 180431 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 931 PM MST MON DEC 17 2012 ...A MAJOR WINTER STORM WILL CONTINUE IN SOUTHWESTERN WYOMING THROUGH TONIGHT... .A WINTER STORM WILL IMPACT SOUTHWESTERN WYOMING THROUGH TONIGHT. SNOWFALL WILL CONTINUE ON AND OFF ACROSS LINCOLN AND SWEETWATER COUNTIES. TOTAL STORM ACCUMULATIONS WILL GENERALLY BE 10 TO 20 INCHES IN THE SALT AND WYOMING RANGE AND 5 TO 10 INCHES IN THE LOWER ELEVATIONS. SWEETWATER COUNTY WILL SEE AROUND 1 TO 3 INCHES OF TOTAL SNOW. IN ADDITION...PERIODS OF GUSTY WINDS WILL REDUCE VISIBILITY AT TIMES. WYZ001-012-013-023-025-180545- /O.CAN.KRIW.WS.W.0011.000000T0000Z-121218T0600Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE...PINEDALE 931 PM MST MON DEC 17 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS TAPERED OFF AND ONLY MINOR ACCUMULATIONS ARE EXPECTED THE REST OF THE NIGHT. $$ WYZ014-180545- /O.CAN.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS WEST- 931 PM MST MON DEC 17 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS TAPERED OFF AND ONLY MINOR ACCUMULATIONS ARE EXPECTED THE REST OF THE NIGHT.. $$ WYZ015-026-180545- /O.CAN.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ WIND RIVER MOUNTAINS EAST-UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 931 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS TAPERED OFF AND ONLY MINOR ACCUMULATIONS ARE EXPECTED THE REST OF THE NIGHT.. $$ WYZ002-180545- /O.CAN.KRIW.WW.Y.0036.000000T0000Z-121218T0600Z/ ABSAROKA MOUNTAINS- 931 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS TAPERED OFF AND ONLY MINOR ACCUMULATIONS ARE EXPECTED THE REST OF THE NIGHT.. $$ WYZ024-181200- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES- 931 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE BEFORE TAPERING OFF LATE TONIGHT. * TOTAL SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST 15 TO 30 MPH WITH GUSTS TO 40 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES TONIGHT. * IMPACTS...TRAVEL INTO THE SALT AND WYOMING RANGES WILL BECOME SEVERELY HAMPERED TONIGHT AS THE COMBINATION OF HEAVY SNOW AT TIMES AND VERY STRONG WEST WINDS PRODUCE SIGNIFICANT BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ027-181200- /O.CON.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 931 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE BEFORE TAPERING OFF LATE TONIGHT. * SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR COKEVILLE. THE HEAVIEST AMOUNTS WILL BE WEST OF THE BEAR RIVER DIVIDE AND ESPECIALLY ALONG THE FOOTHILLS FROM SAGE TO COKEVILLE. * WIND AND VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH REDUCING THE VISIBILITY TO ONE QUARTER MILE AT TIMES. * IMPACTS...TRAVEL BETWEEN KEMMERER AND COKEVILLE MAY BECOME SEVERELY HAMPERED BY SNOW AND WIND. VISIBILITIES MAY BE REDUCED TO ONE QUARTER MILE AT TIMES IN BLOWING AND DRIFTING 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ028>030-181200- /O.CON.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 931 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. * SUMMARY AND TIMING...OCCASIONAL SNOW WILL CONTINUE BEFORE TAPERING OFF LATE TONIGHT. STRONG WEST WINDS WILL RESULT IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...1 TO 4 INCHES BY TUESDAY MORNING. THE HIGHEST AMOUNTS ARE EXPECTED SOUTH OF INTERSTATE 80. * WIND AND VISIBILITY...SOUTHWEST BECOMING WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF A MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...ROADS...INCLUDING INTERSTATE 80...ACROSS THE SWEETWATER COUNTY SHOULD BECOME SNOW COVERED AND QUITE SLICK. THIS COMBINED WITH SHARPLY REDUCED VISIBILITIES MAY SEVERELY HAMPER TRAVEL AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
473 WWUS45 KRIW 180911 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 211 AM MST TUE DEC 18 2012 WYZ024-027-181015- /O.CAN.KRIW.WS.W.0011.000000T0000Z-121218T1200Z/ SALT RIVER AND WYOMING RANGES-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 211 AM MST TUE DEC 18 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS TAPERED OFF AND LITTLE OR NO ACCUMULATION IS EXPECTED THE REST OF THE NIGHT. $$ WYZ028>030-181015- /O.CAN.KRIW.WW.Y.0036.000000T0000Z-121218T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 211 AM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS TAPERED OFF AND LITTLE OR NO ACCUMULATION IS EXPECTED THE REST OF THE NIGHT. $$
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 Dec 16, 11:14 AM MST, 11 minutes earlier.
Area forecast discussion, Dec 16, 11:14 AM MST, 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 1114 AM MST SUN DEC 16 2012 .SHORT TERM...SUNDAY THROUGH TUESDAY NIGHT UPDATED TO UPGRADE THE WINTER STORM WATCHES TO WARNINGS FOR THE TETONS...STAR VALLEY AND SALT/WYOMING RANGES. TETONS ARE UP TO HALF A FOOT OR SO AND THE NORTH PART OF THE STAR VALLEY IS GETTING HIT WITH QUITE A BIT OF SNOW. THE SURROUNDING NORTH END OF THE SALT WYOMING RANGE IS PROBABLY STARTING TO ACCUMULATE ALSO. THE REST WILL BE HANDLED THIS AFTERNOON. PRESENTLY IT LOOKS LIKE THE ACTIVE WEATHER PATTERN WILL CONTINUE ROUGHLY THROUGH MONDAY NIGHT AS A SERIES OF WEATHER SYSTEMS MOVE ACROSS WYOMING. AS FOR TODAY...FOR THOSE AREAS WEST OF THE DIVIDE YOU WILL SEE OF MAINLY LIGHT TO MODERATE SNOW AS ANOTHER SHORTWAVE FORGES IN FROM IDAHO. MANY PLACES IN THE WEST WILL HAVE A FEW INCHES OF SNOW WITH THE STEADIEST SNOW FALLING THIS MORNING. SOME AREAS MAY REACH ADVISORY CRITERIA AND WITH THE MORE SUBSTANTIAL STORM EXPECTED TONIGHT AND MONDAY WILL NOT ISSUE ANYTHING FOR TODAY. ALSO...THERE HAS BEEN SOME PATCHY FOG ACROSS THE BIG HORN BASIN. FOG HAS ESPECIALLY BEEN FOUND WHERE LIGHT SNOW FELL THIS MORNING SO WE HAVE KEPT THE FOG FOR THIS EARLY THIS MORNING. EAST OF THE DIVIDE TODAY IT WILL BE A MAINLY DRY DAY WITH TEMPERATURES NEAR NORMAL. HOWEVER DUE TO AN INCREASING PRESSURE GRADIENT WITH THE SYSTEM FROM THE WEST SOUTHWEST TO WEST WINDS WILL INCREASE ACROSS THE WIND CORRIDOR. IN THE WEST SNOW WILL BECOME STEADY AND HEAVIER LATER TONIGHT AS A NEARING COLD FRONT...SHORTWAVE TROUGH AND A RATHER STRONG JET STREAK SLAM INTO WYOMING. A COMBINATION A FAVORABLE JET DYNAMICS AND WARM ADVECTION WILL COMBINE TO PRODUCE PERIODS OF HEAVY SNOW FROM SUNDAY NIGHT INTO MONDAY. IN ADDITION...GUSTY WINDS WILL CAUSE BLOWING AND DRIFTING OF THE SNOW. AS A RESULT...THE WINTER STORM WATCHES FROM YELLOWSTONE PARK SOUTHWARD THROUGH THE SALT RANGE AND WIND RIVERS HAVE BEEN CONTINUED. AS THE SYSTEM MOVES FURTHER EAST...SOME AREAS OF SNOW WILL SPREAD EAST AND ADVISORIES MAY BE NEEDED FOR PORTIONS OF SWEETWATER COUNTY AS WELL AS THE LOWER GREEN RIVER BASIN. WE WILL KEEP A CLOSE EYE ON THIS. EAST OF THE DIVIDE...THE ISSUE WILL BE WIND TONIGHT AND INTO MONDAY. LATEST MODELS CONTINUE TO SHOW VERY STRONG 700 MILLIBAR WINDS IN EXCESS OF 50 TO 55 KNOTS ACROSS PORTIONS OF CENTRAL WYOMING. GOOD MIXING CONDITIONS ARE LIKELY MONDAY WITH THE FRONT WITH STRONG WIND EXPECTED. THERE IS ALSO THE POSSIBILITY OF MOUNTAIN WAVE DEVELOPMENT NEAR THE LANDER FOOTHILLS AND WIND RIVER RANGE AS WELL AS WEST OF THERMOPOLIS SO WE WILL GO AHEAD AND EXPAND THE HIGH WIND WATCH ACROSS THE THESE AREAS. WITH STRONG DOWNSLOPING WE FELT LITTLE SNOW REACHES THE AREA EXCEPT FOR THE BIG HORN MOUNTAINS WHERE UPSLOPE MAY YIELD A BIT MORE PRECIPITATION AND PORTIONS OF THE BIG HORN BASIN. AS FOR SNOW CHANCES ON TUESDAY AND TUESDAY NIGHT...MODELS HAVE TRENDED FURTHER SOUTH WITH THE BEST ENERGY SO WE TRIMMED BACK POPS ACROSS THE PORTIONS OF CENTRAL WYOMING AND EVEN CUT BACK SNOW AMOUNTS ACROSS SOUTHERN WYOMING. STILL SOME UNCERTAINTY WITH THIS SOLUTION THOUGH SO WE ONLY BLENDED THE MODELS WITH CONTINUITY INSTEAD OF GOING ALL THE WAY. EXPECT COLDER TEMPERATURES TUESDAY AND TUESDAY NIGHT AS WELL AS COLD AIR MOVES IN BEHIND THE COLD FRONT. LONG TERM...WEDNESDAY THROUGH SUNDAY STORM SYSTEM LIFTS OUT OF THE CENTRAL ROCKIES INTO THE PLAINS ON WEDNESDAY WITH THE BRUNT OF SNOWFALL WITH THIS SYSTEM REMAINING SOUTH OF THE AREA. COLDER AND DRIER AIRMASS PREVAILS ACROSS THE AREA WEDNESDAY/WEDNESDAY NIGHT. A RIDGE OF HIGH PRESSURE WILL BRING A PERIOD OF MAINLY DRY WEATHER THROUGH SATURDAY WITH A WARMING TREND THURSDAY AND FRIDAY. MEDIUM RANGE MODELS HAVE CONTINUED SOUTHERN TRACK WITH UPPER TROUGH PASSAGE ON WEDNESDAY...SHIFTING MAIN BAND OF PRECIPITATION ACROSS COLORADO INTO SOUTHEAST WYOMING. TO THE NORTH...WEST AND CENTRAL WYOMING ON COLD SIDE OF THIS SYSTEM...H5 -38C COLD POOL OVER AREA WEDNESDAY. LOW LEVEL NORTHERLY FLOW ON BACKSIDE OF EXITING LOW WEDNESDAY MORNING WILL FAVOR SOME LIGHT UPSLOPE SNOW IN THE CASPER/CASPER MOUNTAIN AREA WITH DRIER WEST NORTHWEST FLOW PREVAILING IN THE AFTERNOON. FORECAST REFLECTS 00Z ECMWF THURSDAY THROUGH SATURDAY WITH UPPER RIDGE BUILDING INTO AREA WEDNESDAY NIGHT. HIGH AMPLITUDE PATTERN TAKES SHAPE AFTERWARDS WITH UPPER LOW DIGGING OFF THE WEST COAST THURSDAY AND FRIDAY...EJECTING A SHORTWAVE NE INTO THE NORTHERN ROCKIES THURSDAY/THURSDAY NIGHT AS UPPER RIDGE AXIS PROGRESSES INTO HIGH PLAINS. UPPER RIDGE REBUILDS OVER ROCKIES BEHIND THIS SHORTWAVE FRIDAY AND SATURDAY. SHORTWAVE PASSAGE WILL RESULT IN LEE SIDE TROUGH AND BETTER MIXING THURSDAY/THURSDAY NIGHT...SO HAVE REMOVED MENTION OF FOG IN SW AND CENTRAL BASINS. FORECAST KEEPS CHANCES OF SNOW IN NW MOUNTAINS THROUGH FRIDAY WITH SHORTWAVE PASSAGE AND SW FLOW...WITH PACIFIC MOISTURE SHUTOFF BY SATURDAY AS RIDGE REBUILDS OVER AREA. ECMWF BRINGS EASTERN PACIFIC TROUGH INLAND ON SUNDAY AND FORECAST RETURNS LOW CHANCES OF SNOW POPS ACROSS THE FAR WEST. AVIATION.../12Z ISSUANCE/ SHORTWAVE AND ASSOCIATED TROUGH WILL SWEEP THROUGH WESTERN WYOMING LATER THIS MORNING. BETTER MOISTURE SURGE AND DYNAMICS WILL BRING A QUICK SHOT OF LIGHT SNOW TO KJAC AND THE STAR VALLEY WITH IFR CONDITIONS POSSIBLE FROM 15Z-20Z/SUN. MOUNTAIN TOP OBSCURATIONS WILL BE WIDESPREAD THROUGH AT LEAST MID-AFTERNOON TODAY ALONG AND WEST OF THE CONTINENTAL DIVIDE. NOT VERY FAVORABLE FOR PROLONGED PERIOD OF LIGHT SNOW AT KBPI AND KPNA...SO HAVE ONLY INDICATED A BRIEF PERIOD OF MVFR WITH THE TROUGH PASSAGE AROUND 18Z/SUN. TROUGH PASSAGE SHOULD ALLOW FOR WESTERN TERMINALS TO CLIMB TO LOW END VFR BEFORE 00Z/MON. KBPI...KPNA...AND KRKS WILL SEE GUSTY WEST TO NORTHWEST WIND BEHIND THE TROUGH THROUGH THE AFTERNOON. GUSTS OF 25-30KTS WILL BE COMMON. TROUGH PASSAGE WILL ALSO ALLOW FOR GUSTY WEST-NORTHWEST WIND DURING THE LATE AFTERNOON AT KRIW AND TO A LESSER EXTENT KLND. SOUTHWEST SURFACE WIND WILL INCREASE LATER THIS MORNING AT KCPR AND PEAK BY MID-AFTERNOON WITH GUSTS 25-35KTS. WIND SPEEDS WILL DROP OFF QUICKLY AS THE ATMOSPHERE DECOUPLES AROUND SUNSET. ALL TERMINALS EAST OF THE CONTINENTAL DIVIDE WILL BE VFR THROUGH THE FORECAST PERIOD. LIGHT SNOW WILL BEGIN AGAIN LATE THIS EVENING IN FAR WEST WYOMING BEFORE INCREASING BETWEEN 08Z-12Z/MONDAY. A STORM SYSTEM ON MONDAY HAS THE POTENTIAL TO GENERATE A MUCH MORE PROLONGED PERIOD OF SNOWFALL WEST OF THE DIVIDE ON MONDAY...ALONG WITH GUSTY DOWNSLOPE WINDS EAST OF THE DIVIDE. FIRE WEATHER... WINDS WILL BE ON THE INCREASE EAST OF THE DIVIDE TODAY INTO MONDAY WITH SNOW DEVELOPING IN THE SOUTH MONDAY. THE WEST WILL SEE PERIODS OF SNOW WITH A MAJOR STORM HITTING LATE SUNDAY NIGHT INTO MONDAY EVENING WITH SIGNIFICANT SNOW AND WIND. && .RIW WATCHES/WARNINGS/ADVISORIES... HIGH WIND WATCH FROM LATE TONIGHT THROUGH MONDAY EVENING WYZ019. HIGH WIND WATCH FROM LATE TONIGHT THROUGH MONDAY AFTERNOON WYZ005-018. WINTER STORM WATCH FROM 11 PM MST THIS EVENING THROUGH MONDAY EVENING WYZ013-014-025. WINTER STORM WARNING UNTIL 11 PM MST MONDAY WYZ012-023. WINTER STORM WATCH FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT WYZ027. HIGH WIND WATCH FROM 11 PM MST THIS EVENING THROUGH MONDAY MORNING WYZ003. WINTER STORM WATCH FROM 11 PM MST THIS EVENING THROUGH MONDAY AFTERNOON WYZ001. WINTER STORM WARNING UNTIL 5 AM MST TUESDAY WYZ024. HIGH WIND WATCH FROM LATE TONIGHT THROUGH MONDAY EVENING WYZ020. && SHORT TERM...HATTINGS LONG TERM...AEM AVIATION...AEM FIRE WEATHER...HATTINGS
Hazardous weather outlook, Dec 16, 5:00 AM MST, 6 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 500 AM MST SUN DEC 16 2012 WYZ001>020-022>030-171200- 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- 500 AM MST SUN DEC 16 2012 ...WINTER STORM AND HIGH WIND WATCHES ARE IN EFFECT FOR PORTIONS OF WESTERN AND CENTRAL WYOMING LATE SUNDAY NIGHT THROUGH MONDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT TODAY AND TONIGHT...SNOW...AREAS OF BLOWING SNOW...SLICK ROADS AND LIMITED VISIBILITY WILL BE LIKELY IN THE WESTERN MOUNTAINS AND FAR WEST VALLEYS. THE COMBINATION OF WIND AND SNOW COULD CAUSE PERIODS OF DIFFICULT TRAVEL...ESPECIALLY ALONG INTERSTATE 80. PLEASE SEE WINTER WEATHER PRODUCTS FOR DETAILS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY MONDAY AND MONDAY NIGHT...STRONG WINDS WILL BE POSSIBLE ALONG THE EAST SLOPES OF THE WIND RIVER AND ABSAROKA RANGES AND ADJACENT FOOTHILLS AS WELL AS FROM ROCK SPRINGS TO CASPER. SNOW AND AREAS OF BLOWING AND DRIFTING SNOW ARE POSSIBLE IN THE WESTERN MOUNTAINS AND ACROSS THE SOUTH. PLEASE SEE WINTER WEATHER AND HIGH WIND PRODUCTS FOR DETAILS. TUESDAY AND WEDNESDAY...SNOW MAY INCREASE ACROSS SOUTHERN WYOMING ON TUESDAY WITH THE HEAVIEST SNOW ALONG AND SOUTH OF INTERSTATE 80. EXPECT COLD MORNING LOW TEMPERATURES IN THE WAKE OF THIS WEATHER SYSTEM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 2:31 PM MST | High Wind Warning | RIW | Fremont, Hot Springs, Natrona, Sweetwater | 29 hr |
| Dec 16, 3:16 PM MST | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater | 35 hr |
Nearby
Winter Storm Warnings in Wyoming, 2012Every winter storm warning in 2012
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.