Alert archive / Wyoming / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Feb 21, 2012, 2:57 AM MST for 9 counties in Wyoming. It took effect at Feb 21, 2012, 5:00 AM MST. It was in force for 46 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
- Feb 21, 2012, 2:57 AM MST (09:57 UTC)
- In effect from
- Feb 21, 2012, 5:00 AM MST
- Expired
- Feb 23, 2012, 3:20 AM MST
- In force
- 46 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Teton County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 57 km from the middle of the area, began a volume at 10:02 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 |
|---|---|---|---|
| Feb 21, 7:34 AM MST | SNOW 4.5 | Alpine, WY | |
| Feb 21, 7:38 AM MST | SNOW 3 | 1 S Jackson, WY | SNOW KING SKI AREA |
| Feb 21, 7:38 AM MST | HEAVY SNOW 10 | 5 Ne Alta, WY | GRAND TARGHEE-CHIEF JOSEPH |
| Feb 21, 7:39 AM MST | SNOW 5 | 17.2 E Thayne, WY | BLIND BULL SUMMIT |
| Feb 21, 7:40 AM MST | SNOW 4.5 | 5 Nne Thayne, WY | |
| Feb 21, 7:41 AM MST | SNOW 0.6 | 14 Nw Pinedale, WY | |
| Feb 21, 7:41 AM MST | SNOW 1 | 5 Sse Smoot, WY | |
| Feb 21, 7:41 AM MST | SNOW 4 | 2 Sw Teton Village, WY | |
| Feb 21, 7:41 AM MST | SNOW 4 | Moose, WY | |
| Feb 21, 7:42 AM MST | SNOW 0.5 | 4 Ssw Jackson, WY | |
| Feb 21, 7:42 AM MST | SNOW 2 | 5 Nw Jackson, WY | |
| Feb 21, 9:20 AM MST | SNOW 2 | Lake, WY | LAKE RANGER STATION |
| Feb 21, 9:20 AM MST | SNOW 3 | Canyon, WY | CANYON RANGER STATION |
| Feb 21, 9:20 AM MST | SNOW 3 | East Entrance, WY | EAST ENTRANCE RANGER STATION |
| Feb 21, 9:21 AM MST | SNOW 2 | Old Faithful, WY | OLD FAITHFUL RANGER STATION |
| Feb 21, 11:45 AM MST | SNOW 1.2 | Afton, WY | |
| Feb 21, 11:45 AM MST | SNOW 5 | Pahaska, WY | |
| Feb 21, 11:45 AM MST | HEAVY SNOW 6 | Moose, WY | |
| Feb 21, 11:46 AM MST | SNOW 0.2 | Daniel Fish Hatchery, WY | |
| Feb 21, 12:28 PM MST | SNOW 1 | 14 Wnw Mayoworth, WY | BEAR TRAP MEADOW SNOTEL |
| Feb 21, 12:28 PM MST | SNOW 1 | 18 E Shell, WY | SHELL CREEK SNOTEL |
| Feb 21, 12:28 PM MST | SNOW 1 | 24 Sw Buffalo, WY | POWDER RIVER PASS SNOTEL |
| Feb 21, 12:28 PM MST | SNOW 1 | 28 E Lovell, WY | BALD MOUNTAIN SNOTEL |
| Feb 21, 12:29 PM MST | SNOW 1 | 14 Wsw Buffalo, WY | HANSEN SAWMILL SNOTEL |
| Feb 21, 12:29 PM MST | SNOW 1 | 17 W Buffalo, WY | CLOUD PEAK RESERVOIR SNOTEL |
| Feb 21, 12:29 PM MST | SNOW 1 | 21 Sw Barnum, WY | GRAVE SPRING SNOTEL |
| Feb 21, 12:29 PM MST | SNOW 1 | 27 Nw Buffalo, WY | LITTLE GOOSE SNOTEL |
| Feb 21, 12:32 PM MST | SNOW 1 | 12 N Cora, WY | NEW FORK LAKE SNOTEL |
| Feb 21, 12:32 PM MST | SNOW 1 | 16 E Boulder, WY | POCKET CREEK SNOTEL |
| Feb 21, 12:32 PM MST | SNOW 1 | 24 Ese Boulder, WY | BIG SANDY OPENING SNOTEL |
| Feb 21, 12:33 PM MST | SNOW 2 | 19 Sw Bondurant, WY | BLIND BULL SUMMIT SNOTEL |
| Feb 21, 12:33 PM MST | SNOW 2 | 26 N Kemmerer, WY | HAMS FORK SNOTEL |
| Feb 21, 12:33 PM MST | SNOW 2 | 36 N Kemmerer, WY | INDIAN CREEK SNOTEL |
| Feb 21, 12:34 PM MST | SNOW 2 | 15 Nne Cokeville, WY | KELLEY RANGER STATION SNOTEL |
| Feb 21, 12:35 PM MST | SNOW 3 | 12 Ese Bondurant, WY | EAST RIM DIVIDE SNOTEL |
| Feb 21, 1:23 PM MST | SNOW 4 | 8.6 Nnw Jackson, WY | JACKSON HOLE-BASE |
| Feb 21, 1:26 PM MST | HEAVY SNOW 12 | Teton Village, WY | |
| Feb 21, 1:29 PM MST | HEAVY SNOW 11.2 | 1 Se Thayne, WY | |
| Feb 21, 7:56 PM MST | HEAVY SNOW 16 | Alpine, WY | |
| Feb 21, 7:57 PM MST | SNOW 4 | 1 Nw Smoot, WY | |
| Feb 21, 7:57 PM MST | SNOW 5 | 3 W Afton, WY | |
| Feb 21, 7:57 PM MST | HEAVY SNOW 9 | Star Valley Ranch, WY | |
| Feb 21, 8:00 PM MST | HEAVY SNOW 7 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Feb 21, 8:01 PM MST | SNOW 2 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| Feb 21, 8:01 PM MST | SNOW 3 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Feb 21, 8:01 PM MST | HEAVY SNOW 6 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Feb 21, 8:01 PM MST | HEAVY SNOW 6 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Feb 21, 8:01 PM MST | HEAVY SNOW 13 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Feb 21, 8:02 PM MST | SNOW 3 | 56 Sw Cody, WY | YOUNTS PEAK SNOTEL |
| Feb 21, 8:02 PM MST | SNOW 4 | 16 W Buffalo, WY | SOLDIER PARK SNOTEL |
| Feb 21, 8:02 PM MST | SNOW 5 | 14 Ne Shell, WY | BONE SPRINGS DIVIDE SNOTEL |
| Feb 21, 8:02 PM MST | HEAVY SNOW 6 | 26 Wsw Clark, WY | WOLVERINE SNOTEL |
| Feb 21, 8:03 PM MST | SNOW 4 | 10 N Bondurant, WY | GRANITE CREEK SNOTEL |
| Feb 21, 8:03 PM MST | HEAVY SNOW 7 | 14 E Bondurant, WY | LOOMIS PARK SNOTEL |
| Feb 21, 8:03 PM MST | HEAVY SNOW 10 | 8 Nne Moran Junction, WY | BASE CAMP SNOTEL |
| Feb 21, 8:03 PM MST | HEAVY SNOW 26 | 6 Ene Alta, WY | GRAND TARGHEE SNOTEL |
| Feb 21, 8:03 PM MST | HEAVY SNOW 27 | 8 W South Entrance, WY | GRASSY LAKE SNOTEL |
| Feb 21, 8:04 PM MST | HEAVY SNOW 6 | 25 Nw Dubois, WY | TOGWOTEE PASS SNOTEL |
| Feb 21, 8:04 PM MST | HEAVY SNOW 12 | South Entrance, WY | SNAKE RIVER STN SNOTEL |
| Feb 21, 8:04 PM MST | HEAVY SNOW 14 | 8 Wnw Jackson, WY | PHILLIPS BENCH 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 00:00Z, 10.0 hours before the alert went out and 59 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
- 2021 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
742 WWUS45 KRIW 210957 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 257 AM MST TUE FEB 21 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT... .MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT. SNOW WILL INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. SNOW WILL ALSO INCREASE ACROSS THE FAR WEST VALLEYS TODAY WITH THE HEAVIEST SNOW EXPECTED THIS AFTERNOON AND EVENING. WINDS WILL INCREASE BECOMING QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES AS THE STORM INTENSIFIES THROUGH TONIGHT AND WEDNESDAY. THE SNOW SHOULD TAPER OFF THROUGH WEDNESDAY NIGHT BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH THE NIGHT. SNOWFALL UP TO THREE FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO TWO FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH WEDNESDAY AS THE PEAK WINDS OCCUR. WYZ012-212300- /O.UPG.KRIW.WS.A.0003.120221T1200Z-120223T1200Z/ /O.NEW.KRIW.WS.W.0003.120221T1200Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 257 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WIND...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. && 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. && $$ WYZ024-212300- /O.UPG.KRIW.WS.A.0003.120221T1200Z-120223T1200Z/ /O.NEW.KRIW.WS.W.0003.120221T1200Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 257 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WIND...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF ONE TO TWO FEET IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-212300- /O.UPG.KRIW.WS.A.0003.120221T1200Z-120223T1200Z/ /O.NEW.KRIW.WS.W.0003.120221T1200Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 257 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WIND...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. && 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. && $$ WYZ014-212300- /O.UPG.KRIW.WS.A.0003.120221T1200Z-120223T1200Z/ /O.NEW.KRIW.WS.W.0003.120221T1200Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 257 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WIND...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED IN THE NORTH TOWARDS GANNETT PEAK WITH LOWER AMOUNTS TO THE SOUTH AROUND SOUTH PASS. * SNOW ACCUMULATIONS...SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-212300- /O.NEW.KRIW.WS.W.0003.120221T1800Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 257 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WIND...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE LATE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-212300- /O.CON.KRIW.WW.Y.0008.120221T1200Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 257 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...3 TO 6 INCHES OF NEW SNOW BY MIDNIGHT TONIGHT WITH THE HIGHER AMOUNTS FROM MOOSE TO MORAN JUNCTION. STORM TOTAL SNOWFALL BY EARLY THURSDAY WILL LIKELY RANGE FROM 4 TO 8 INCHES. * WIND AND VISIBILITY...SOUTH WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 25 TO 35 MPH WITH GUSTS NEAR 50 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY OF ONE-HALF TO ONE MILE IS EXPECTED THIS AFTERNOON AND EVENING. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY...ESPECIALLY ALONG HIGHWAY 390 AROUND TETON VILLAGE AND HIGHWAY 191 FROM MOOSE TO MORAN JUNCTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-212300- /O.CON.KRIW.WW.Y.0008.120221T1200Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 257 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...3 TO 6 INCHES OF NEW SNOW BY MIDNIGHT TONIGHT WITH THE HIGHER AMOUNTS FROM ALPINE TO BEDFORD. STORM TOTAL SNOWFALL BY EARLY THURSDAY WILL LIKELY RANGE FROM 4 TO 8 INCHES. * WIND AND VISIBILITY...SOUTHWEST WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY OF ONE- HALF TO ONE MILE IS EXPECTED THIS AFTERNOON AND EVENING. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY. 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. && $$ BERC/WOLCOTT
9 follow-up statements
734 WWUS45 KRIW 211256 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 556 AM MST TUE FEB 21 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT... .MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT. SNOW WILL INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. SNOW WILL ALSO INCREASE ACROSS THE FAR WEST VALLEYS TODAY WITH THE HEAVIEST SNOW EXPECTED THIS AFTERNOON AND EVENING. WINDS WILL INCREASE BECOMING QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES AS THE STORM INTENSIFIES THROUGH TONIGHT AND WEDNESDAY. THE SNOW SHOULD TAPER OFF THROUGH WEDNESDAY NIGHT BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH THE NIGHT. SNOWFALL UP TO THREE FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO TWO FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH WEDNESDAY AS THE PEAK WINDS OCCUR. WYZ012-212100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 556 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. EIGHT TO 12 INCHES WERE ALREADY REPORTED IN THE TETONS 8000 FEET AS OF 5 AM THIS MORNING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ024-212100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 556 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF ONE TO TWO FEET IS EXPECTED. THREE TO 6 INCHES WERE REPORTED AS OF 5 AM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ001-212100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 556 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. EIGHT TO 10 INCHES WERE ALREADY REPORTED AT AUTOMATED SNOTEL SITES IN THE SOUTHWEST PART OF THE PARK AS OF 5 AM WITH MUCH LIGHTER AMOUNTS FURTHER NORTH. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-212100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 556 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED IN THE NORTH TOWARDS GANNETT PEAK WITH LOWER AMOUNTS TO THE SOUTH AROUND SOUTH PASS. * SNOW ACCUMULATIONS...SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ008-009-212100- /O.CON.KRIW.WS.W.0003.120221T1800Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 556 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE LATE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-212100- /O.CON.KRIW.WW.Y.0008.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 556 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...3 TO 6 INCHES OF NEW SNOW BY MIDNIGHT TONIGHT WITH THE HIGHER AMOUNTS FROM MOOSE TO MORAN JUNCTION. STORM TOTAL SNOWFALL BY EARLY THURSDAY WILL LIKELY RANGE FROM 4 TO 8 INCHES. * WIND AND VISIBILITY...SOUTH WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 25 TO 35 MPH WITH GUSTS NEAR 50 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY OF ONE-HALF TO ONE MILE IS EXPECTED THIS AFTERNOON AND EVENING. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY...ESPECIALLY ALONG HIGHWAY 390 AROUND TETON VILLAGE AND HIGHWAY 191 FROM MOOSE TO MORAN JUNCTION. 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. && $$ WYZ023-212100- /O.CON.KRIW.WW.Y.0008.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 556 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...3 TO 6 INCHES OF NEW SNOW BY MIDNIGHT TONIGHT WITH THE HIGHER AMOUNTS FROM ALPINE TO BEDFORD. STORM TOTAL SNOWFALL BY EARLY THURSDAY WILL LIKELY RANGE FROM 4 TO 8 INCHES. * WIND AND VISIBILITY...SOUTHWEST WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY OF ONE- HALF TO ONE MILE IS EXPECTED THIS AFTERNOON AND EVENING. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON
297 WWUS45 KRIW 211535 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 835 AM MST TUE FEB 21 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT... .MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TODAY THROUGH WEDNESDAY NIGHT. SNOW WILL INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. SNOW WILL ALSO INCREASE ACROSS THE FAR WEST VALLEYS TODAY WITH THE HEAVIEST SNOW EXPECTED THIS AFTERNOON AND EVENING. WINDS WILL INCREASE BECOMING QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES AS THE STORM INTENSIFIES THROUGH TONIGHT AND WEDNESDAY. THE SNOW SHOULD TAPER OFF THROUGH WEDNESDAY NIGHT BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH THE NIGHT. SNOWFALL UP TO THREE FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO TWO FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH WEDNESDAY AS THE PEAK WINDS OCCUR. WYZ023-220000- /O.UPG.KRIW.WW.Y.0008.000000T0000Z-120223T1200Z/ /O.EXA.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON THROUGH MID DAY WEDNESDAY. AS OF 8 AM 5 TO 6 INCHES HAS BEEN OBSERVED IN THE STAR VALLEY. * SNOW ACCUMULATIONS...10 TO 20 INCHES BY EARLY THURSDAY. * WIND AND VISIBILITY...SOUTHWEST WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON WEDNESDAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY. 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. && $$ WYZ013-220000- /O.UPG.KRIW.WW.Y.0008.000000T0000Z-120223T1200Z/ /O.EXA.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL INCREASE THROUGH THE DAY TODAY WITH THE HEAVIEST SNOWFALL EXPECTED THIS AFTERNOON THROUGH MID DAY WEDNESDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES BY EARLY THURSDAY. AS OF 8 AM 2 TO 4 INCHES OF SNOW HAS BEEN REPORTED IN JACKSON HOLE. * WIND AND VISIBILITY...SOUTH WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 25 TO 35 MPH WITH GUSTS NEAR 50 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY...ESPECIALLY ALONG HIGHWAY 390 AROUND TETON VILLAGE AND HIGHWAY 191 FROM MOOSE TO MORAN JUNCTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-220000- /O.EXA.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ012-220000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. EIGHT TO 12 INCHES WERE ALREADY REPORTED IN THE TETONS AS OF 8 AM THIS MORNING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-220000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. THREE TO 6 INCHES WERE REPORTED AS OF 8 AM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ001-220000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 20 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. EIGHT TO 10 INCHES WERE ALREADY REPORTED AT AUTOMATED SNOTEL SITES IN THE SOUTHWEST PART OF THE PARK AS OF 5 AM WITH MUCH LIGHTER AMOUNTS FURTHER NORTH. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ014-220000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED IN THE NORTH TOWARDS GANNETT PEAK WITH LOWER AMOUNTS TO THE SOUTH AROUND SOUTH PASS. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ008-009-220000- /O.CON.KRIW.WS.W.0003.120221T1800Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 835 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE LATE THIS MORNING WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ C.BAKER
201 WWUS45 KRIW 212127 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 227 PM MST TUE FEB 21 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH WEDNESDAY NIGHT... .MOIST STRONG WEST PACIFIC FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS TONIGHT THROUGH WEDNESDAY NIGHT. PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE. WINDS WILL INCREASE BECOMING QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES AS THE STORM INTENSIFIES THROUGH TONIGHT AND WEDNESDAY. THE SNOW SHOULD TAPER OFF THROUGH WEDNESDAY NIGHT BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH THE NIGHT. SNOWFALL UP TO FOUR FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO TWO TO THREE FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH WEDNESDAY AS THE PEAK WINDS OCCUR. WYZ012-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 10 TO 18 INCHES WERE ALREADY REPORTED IN THE TETONS AS OF 2 PM THIS AFTERNOON. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ024-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. 5 TO 10 INCHES WERE REPORTED AS OF 2 PM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 25 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. 13 INCHES HAS BEEN REPORTED FROM THE SOUTH ENTRANCE AS OF 2 PM THIS AFTERNOON. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. 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. && $$ WYZ014-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED IN THE NORTH TOWARDS GANNETT PEAK WITH LOWER AMOUNTS TO THE SOUTH AROUND SOUTH PASS. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WILL INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 25 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH MODERATE TO HEAVY SNOWFALL EXPECTED THIS AFTERNOON THROUGH MID DAY WEDNESDAY. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF 2 PM 2 TO 4 INCHES OF SNOW HAS BEEN REPORTED IN JACKSON HOLE. * WIND AND VISIBILITY...SOUTH WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 25 TO 35 MPH WITH GUSTS NEAR 50 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY...ESPECIALLY ALONG HIGHWAY 390 AROUND TETON VILLAGE AND HIGHWAY 191 FROM MOOSE TO MORAN JUNCTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE WITH MODERATE TO HEAVY SNOWFALL EXPECTED THIS AFTERNOON THROUGH MID DAY WEDNESDAY. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF 2 PM...8 TO 10 INCHES HAS BEEN OBSERVED IN THE STAR VALLEY. * WIND AND VISIBILITY...SOUTHWEST WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TODAY...INCREASING TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON WEDNESDAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL BECOME INCREASINGLY SNOW-PACKED THROUGH THE DAY TODAY. INCREASING WIND WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW AND LIMITED VISIBILITY THIS AFTERNOON THROUGH WEDNESDAY. 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. && $$ WYZ025-221000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 227 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND WEDNESDAY LASTING THROUGH WEDNESDAY NIGHT AS THE SNOW TAPERS OFF THROUGH THE NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 10 TO 20 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ C.BAKER
804 WWUS45 KRIW 220246 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 746 PM MST TUE FEB 21 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH WEDNESDAY NIGHT... .MOIST...STRONG NORTHWEST FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH WEDNESDAY NIGHT. WINDS WILL BECOME QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES LATER TONIGHT AND LAST THROUGH WEDNESDAY NIGHT...RESULTING IN NEAR WHITE OUT CONDITIONS...ESPECIALLY OVER MOUNTAIN PASSES. THE SNOW IS EXPECTED TO BEGIN TO TAPER OFF WEDNESDAY NIGHT...BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH WEDNESDAY NIGHT. SNOWFALL UP TO FOUR FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO THREE FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH WEDNESDAY AS THE PEAK WINDS OCCUR. WYZ012-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 15 TO 30 INCHES OF SNOW HAS BEEN ESTIMATED IN THE TETONS...WITH 6 TO 12 INCHES ACROSS THE GROS VENTRE MOUNTAINS AS OF 6 PM TUESDAY EVENING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ024-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. 5 TO 10 INCHES OF SNOW WAS ESTIMATED AS OF 6 PM TUESDAY EVENING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 25 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. 12 TO 18 INCHES OF SNOW HAS BEEN ESTIMATED ACROSS SOUTHERN YELLOWSTONE...WITH 4 TO 8 INCHES ACROSS THE REST OF THE PARK AS OF 6 PM WEDNESDAY EVENING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT 10 TO 20 MPH...THEN INCREASE TO 30 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS...ESPECIALLY OVER THE MOUNTAIN PASSES. 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. && $$ WYZ014-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED OVER THE NORTHERN PORTION OF THE WIND RIVER RANGE NORTH OF GANNETT PEAK. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED NORTH OF GANNETT PEAK...WHILE ONLY 3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS SOUTH PASS. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WILL INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES...INCLUDING SOUTH PASS LATE TONIGHT AND WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 25 INCHES IS EXPECTED NORTH OF POWDER RIVER PASS...WHILE ALONG AND SOUTH OF POWDER RIVER PASS...SNOWFALL BETWEEN 6 AND 12 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. SNOW COULD MIX WITH RAIN ACROSS JACKSON HOLE WEDNESDAY AFTERNOON. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY MORNING. AS OF 6 PM TUESDAY EVENING...AROUND 5 INCHES HAVE BEEN REPORTED ACROSS SOUTHERN JACKSON HOLE...WHILE 10 INCHES OF SNOW HAVE FALLEN NEAR MORAN. * WIND AND VISIBILITY...SOUTH WIND AT 15 TO 20 MPH WITH GUSTS TO 30 MPH TONIGHT...SHOULD INCREASE TO AROUND 25 MPH WITH GUSTS NEAR 50 MPH ON WEDNESDAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE IS EXPECTED. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS TONIGHT...BUT TEMPERATURES IN THE LOWER TO MID 30S ON WEDNESDAY WILL ALLOW ROADS TO IMPROVE IN SOME AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. TETON AND TOGWOTEE PASS WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH WEDNESDAY EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. SNOW COULD MIX WITH RAIN...OR CHANGE TO ALL RAIN ACROSS STAR VALLEY WEDNESDAY AFTERNOON. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF 6 PM WEDNESDAY EVENING...OVER A FOOT OF SNOW HAS FALLEN NEAR ALPINE...WITH AROUND 5 INCHES NEAR AFTON. * WIND AND VISIBILITY...SOUTHWEST WIND AT 10 TO 20 MPH WITH GUSTS TO 30 MPH TONIGHT...INCREASING TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON WEDNESDAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS TONIGHT...BUT TEMPERATURES IN THE MID TO UPPER 30S ON WEDNESDAY WILL ALLOW ROADS TO IMPROVE IN MOST AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. MOUNTAIN PASSES WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. 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. && $$ WYZ025-221500- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 746 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW IS EXPECTED TO INCREASE WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED THROUGH WEDNESDAY EVENING...BEFORE TAPERING TO LIGHT SNOW OR FLURRIES LATE WEDNESDAY NIGHT. WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND LAST THROUGH WEDNESDAY NIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 6 TO 12 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS ON WEDNESDAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON/21
804 WWUS45 KRIW 221016 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 316 AM MST WED FEB 22 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT... .MOIST...STRONG NORTHWEST FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT. WINDS WILL BECOME QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES TODAY THROUGH TONIGHT...RESULTING IN NEAR WHITE OUT CONDITIONS...ESPECIALLY OVER MOUNTAIN PASSES. THE SNOW IS EXPECTED TO BEGIN TO TAPER OFF TONIGHT...BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH TONIGHT. SNOWFALL UP TO FOUR FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO THREE FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH TODAY AS THE PEAK WINDS OCCUR. WYZ012-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 19 TO 34 INCHES OF SNOW HAS BEEN ESTIMATED IN THE TETONS...WITH 12 TO 18 INCHES ACROSS THE GROS VENTRE MOUNTAINS AS OF 3 AM THIS MORNING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ024-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. 13 TO 18 INCHES OF SNOW WAS ESTIMATED AS OF 3 AM THIS MORNING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TODAY THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 25 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. 20 TO 26 INCHES OF SNOW HAS BEEN ESTIMATED ACROSS SOUTHERN YELLOWSTONE...WITH 6 TO 10 INCHES ACROSS THE REST OF THE PARK AS OF 3 AM THIS MORNING. * WIND AND VISIBILITY...WEST WINDS WILL START OUT 10 TO 20 MPH... THEN INCREASE TO 30 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS... ESPECIALLY OVER THE MOUNTAIN PASSES. 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. && $$ WYZ014-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TODAY THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED OVER THE NORTHERN PORTION OF THE WIND RIVER RANGE NORTH OF GANNETT PEAK. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED NORTH OF GANNETT PEAK...WHILE ONLY 3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS SOUTH PASS. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WILL INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES... INCLUDING SOUTH PASS TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TODAY THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 25 INCHES IS EXPECTED NORTH OF POWDER RIVER PASS...WHILE ALONG AND SOUTH OF POWDER RIVER PASS...SNOWFALL BETWEEN 6 AND 12 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL MIX WITH OR CHANGE TO RAIN LATER THIS MORNING BEFORE CHANGING BACK AGAIN TO ALL SNOW...HEAVY AT TIMES...BEFORE SUNSET. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. SOUTH WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY MORNING. AS OF 6 PM TUESDAY EVENING...AROUND 5 INCHES HAVE BEEN REPORTED ACROSS SOUTHERN JACKSON HOLE...WHILE 10 INCHES OF SNOW HAVE FALLEN NEAR MORAN. * WIND AND VISIBILITY...SOUTH WINDS WILL INCREASE TO 25 MPH WITH GUSTS NEAR 50 MPH TODAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE IS EXPECTED. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 WILL ALLOW ROADS TO IMPROVE IN SOME AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. TETON AND TOGWOTEE PASS WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL MIX WITH OR CHANGE TO RAIN LATER THIS MORNING BEFORE CHANGING BACK AGAIN TO ALL SNOW...HEAVY AT TIMES...BEFORE SUNSET. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. SOUTH WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF 9 PM TUESDAY EVENING...OVER 16 INCHES OF SNOW HAS FALLEN IN TURNERVILLE WITH AT LEAST 5 INCHES NEAR AFTON. * WIND AND VISIBILITY...SOUTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH TODAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 TODAY WILL ALLOW ROADS TO IMPROVE IN MOST AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. MOUNTAIN PASSES WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. 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. && $$ WYZ025-230000- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 316 AM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL MIX WITH OR CHANGE TO RAIN LATER THIS MORNING BEFORE CHANGING BACK AGAIN TO ALL SNOW...HEAVY AT TIMES...BEFORE SUNSET. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. SOUTH WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 6 TO 12 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ LIPSON
775 WWUS45 KRIW 222219 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 319 PM MST WED FEB 22 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT... .MOIST...STRONG NORTHWEST FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT. WINDS WILL BECOME QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES TODAY THROUGH TONIGHT...RESULTING IN NEAR WHITE OUT CONDITIONS...ESPECIALLY OVER MOUNTAIN PASSES. THE SNOW IS EXPECTED TO BEGIN TO TAPER OFF TONIGHT...BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH TONIGHT. SNOWFALL UP TO FOUR FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO THREE FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH TODAY AS THE PEAK WINDS OCCUR. WYZ012-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 19 TO 34 INCHES OF SNOW HAS BEEN ESTIMATED IN THE TETONS...WITH SNOW AMOUNTS UP TO 40 INCHES ACROSS THE GROS VENTRE MOUNTAINS AS OF 2 PM THIS AFTERNOON. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ024-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WINDS WILL CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. 13 TO 18 INCHES OF SNOW WAS ESTIMATED FROM THIS STORM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. A PEAK WIND GUST OF 104 MPH WAS REPORTED AT MOUNT COFFIN. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 25 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. 20 TO 26 INCHES OF SNOW HAS BEEN ESTIMATED ACROSS SOUTHERN YELLOWSTONE...WITH 6 TO 10 INCHES REPORTED FROM THE STORM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT 10 TO 20 MPH... THEN INCREASE TO 30 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS... ESPECIALLY OVER THE MOUNTAIN PASSES. 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. && $$ WYZ014-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED OVER THE NORTHERN PORTION OF THE WIND RIVER RANGE NORTH OF GANNETT PEAK. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED NORTH OF GANNETT PEAK...WHILE ONLY 3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS SOUTH PASS. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WILL INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. RESTRICTIONS IN VISIBILITY DUE TO VERY STRONG WIND HAS RESULTED IN PERIODS OF ROAD CLOSURES ACROSS SOUTH PASS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES... INCLUDING SOUTH PASS TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 25 INCHES IS EXPECTED NORTH OF POWDER RIVER PASS...WHILE ALONG AND SOUTH OF POWDER RIVER PASS...SNOWFALL BETWEEN 6 AND 12 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY MORNING. AS OF 6 PM TUESDAY EVENING...AROUND 5 INCHES HAVE BEEN REPORTED ACROSS SOUTHERN JACKSON HOLE...WHILE 10 INCHES OF SNOW HAVE FALLEN NEAR MORAN. * WIND AND VISIBILITY...SOUTH WINDS WILL INCREASE TO 25 MPH WITH GUSTS NEAR 50 MPH TODAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE IS EXPECTED. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 WILL ALLOW ROADS TO IMPROVE IN SOME AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. TETON AND TOGWOTEE PASS WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG SOUTH WINDS WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF WEDNESDAY MORNING...SAMPLE SNOWFALL REPORTS OF AROUND 15 INCHES HAVE BEEN REPORTED FROM THE THAYNE AREA. * WIND AND VISIBILITY...SOUTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH TODAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 TODAY WILL ALLOW ROADS TO IMPROVE IN MOST AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. MOUNTAIN PASSES WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. 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. && $$ WYZ025-231100- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 319 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG SOUTH WINDS WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 6 TO 12 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
727 WWUS45 KRIW 222259 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 359 PM MST WED FEB 22 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT... .MOIST...STRONG NORTHWEST FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT. WINDS WILL BECOME QUITE STRONG ON THE PASSES AND UPPER MOUNTAIN RIDGES TODAY THROUGH TONIGHT...RESULTING IN NEAR WHITE OUT CONDITIONS...ESPECIALLY OVER MOUNTAIN PASSES. THE SNOW IS EXPECTED TO BEGIN TO TAPER OFF TONIGHT...BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH TONIGHT. SNOWFALL UP TO FOUR FEET MAY FALL IN THE TETONS WITH OTHER AREAS SEEING ONE TO THREE FEET. SOME OF THE HIGHER MOUNTAIN AREAS MAY SEE WIND GUSTS OVER 90 MPH TODAY AS THE PEAK WINDS OCCUR. WYZ012-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 30 TO 40 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 19 TO 34 INCHES OF SNOW HAS BEEN ESTIMATED IN THE TETONS...WITH SNOW AMOUNTS UP TO 40 INCHES ACROSS THE GROS VENTRE MOUNTAINS AS OF 2 PM THIS AFTERNOON. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ024-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WINDS WILL CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF TWO TO THREE FEET IS EXPECTED. 13 TO 18 INCHES OF SNOW WAS ESTIMATED FROM THIS STORM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. A PEAK WIND GUST OF 104 MPH WAS REPORTED AT MOUNT COFFIN. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 25 TO 35 INCHES IS EXPECTED IN THE HIGHER ELEVATIONS OF THE SOUTHERN PART OF THE PARK WITH ACCUMULATIONS LESS THAN 6 INCHES IN THE NORTH AROUND MAMMOTH. 20 TO 26 INCHES OF SNOW HAS BEEN ESTIMATED ACROSS SOUTHERN YELLOWSTONE...WITH 6 TO 10 INCHES REPORTED FROM THE STORM. * WIND AND VISIBILITY...WEST WINDS WILL START OUT 10 TO 20 MPH... THEN INCREASE TO 30 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS... ESPECIALLY OVER THE MOUNTAIN PASSES. 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. && $$ WYZ014-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED OVER THE NORTHERN PORTION OF THE WIND RIVER RANGE NORTH OF GANNETT PEAK. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 30 INCHES IS EXPECTED NORTH OF GANNETT PEAK...WHILE ONLY 3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS SOUTH PASS. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WILL INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 90 MPH ON THE PASSES AND HIGHER PEAKS TODAY. RESTRICTIONS IN VISIBILITY DUE TO VERY STRONG WIND HAS RESULTED IN PERIODS OF ROAD CLOSURES ACROSS SOUTH PASS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES... INCLUDING SOUTH PASS TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ008-009-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 15 TO 25 INCHES IS EXPECTED NORTH OF POWDER RIVER PASS...WHILE ALONG AND SOUTH OF POWDER RIVER PASS...SNOWFALL BETWEEN 6 AND 12 INCHES IS EXPECTED. * WIND AND VISIBILITY...WEST WINDS WILL START OUT AROUND 20 TO 30 MPH...THEN INCREASE TO 40 TO 50 MPH WITH GUSTS AS HIGH AS 75 MPH ON THE PASSES AND HIGHER PEAKS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ013-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY MORNING. AS OF 6 PM TUESDAY EVENING...AROUND 5 INCHES HAVE BEEN REPORTED ACROSS SOUTHERN JACKSON HOLE...WHILE 10 INCHES OF SNOW HAVE FALLEN NEAR MORAN. * WIND AND VISIBILITY...SOUTH WINDS WILL INCREASE TO 25 MPH WITH GUSTS NEAR 50 MPH TODAY. WIDESPREAD LIMITED VISIBILITY BELOW A QUARTER MILE IS EXPECTED. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 WILL ALLOW ROADS TO IMPROVE IN SOME AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. TETON AND TOGWOTEE PASS WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ023-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG SOUTH WINDS WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES BY EARLY THURSDAY. AS OF WEDNESDAY MORNING...SAMPLE SNOWFALL REPORTS OF AROUND 15 INCHES HAVE BEEN REPORTED FROM THE THAYNE AREA. * WIND AND VISIBILITY...SOUTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS NEAR 40 MPH TODAY. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...AREA ROADS WILL REMAIN SLICK AND HAZARDOUS THIS MORNING...BUT TEMPERATURES IN THE UPPER 30S TO AROUND 40 TODAY WILL ALLOW ROADS TO IMPROVE IN MOST AREAS...ESPECIALLY DURING ANY LULLS IN THE PRECIPITATION. MOUNTAIN PASSES WILL REMAIN SNOWPACKED AND SLICK THROUGH THE EVENT. 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. && $$ WYZ025-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 359 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THIS EVENING. SNOW WILL TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG SOUTH WINDS WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS... SNOWFALL OF 6 TO 12 INCHES IS EXPECTED. HIGHER AMOUNTS MAY OCCUR AROUND BONDURANT. * WIND AND VISIBILITY...WEST WINDS WILL INCREASE TO 15 TO 30 MPH WITH HIGHER GUSTS TODAY. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...AS THE SNOW PILES UP AND THE WINDS INCREASE...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ020-231200- /O.NEW.KRIW.WW.Y.0009.120223T0400Z-120223T1200Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 359 PM MST WED FEB 22 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 5 AM MST THURSDAY. * SUMMARY AND TIMING...A BURST OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP THIS EVENING AND CONTINUE THROUGH THE OVERNIGHT HOURS. * SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 5 INCHES IS EXPECTED ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY...WITH LOCALLY HIGHER AMOUNTS POSSIBLE ACROSS THE FOOTHILLS. * WIND AND VISIBILITY...VERY STRONG WIND OF 35 TO 40 WITH GUSTS UP TO 60 MPH WILL CONTINUE THROUGHOUT THE PERIOD OF SNOWFALL. THIS WILL RESULT IN NEAR WHITEOUT CONDITIONS...WHICH WILL IMPACT ROADWAYS ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY...INCLUDING INTERSTATE 25 THROUGH NATRONA COUNTY...AND HIGHWAY 20 26. * IMPACTS...SNOWFALL AND STRONG WIND WILL COMBINE TO CREATE HAZARDOUS DRIVING CONDITIONS ACROSS NATRONA COUNTY THROUGH TONIGHT. MOTORISTS SHOULD INVESTIGATE ROAD ADVISORIES AND CLOSURES BEFORE TRAVELING 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. && $$
374 WWUS45 KRIW 230243 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 743 PM MST WED FEB 22 2012 ...MOIST STRONG WEST PACIFIC FLOW WILL BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT... .MOIST...STRONG NORTHWEST FLOW WILL CONTINUE TO BRING SNOW AND STRONG WINDS TO THE WESTERN AND NORTHERN MOUNTAINS THROUGH TONIGHT. THE SNOW IS EXPECTED TO BEGIN TO TAPER OFF TONIGHT...BUT VERY STRONG WINDS ARE EXPECTED TO KEEP SIGNIFICANT BLOWING AND DRIFTING SNOW GOING THROUGH TONIGHT. WYZ012-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL COULD OCCUR. ESTIMATED SNOWFALL TOTALS ACROSS THE TETON AND GROS VENTRE MOUNTAINS OVER THE PAST COUPLE OF DAYS THROUGH WEDNESDAY EVENING RANGED FROM 15 TO 35 INCHES. * WIND AND VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL CONTINUE. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ024-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ SALT RIVER AND WYOMING RANGES- 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL COULD OCCUR. ESTIMATED SNOWFALL TOTALS ACROSS SALT RIVER AND WYOMING RANGES OVER THE PAST COUPLE OF DAYS THROUGH WEDNESDAY EVENING RANGED FROM 10 TO 25 INCHES. * WIND AND VISIBILITY...WEST TO NORTHWEST WINDS BETWEEN 20 TO 40 MPH WILL BE COMMON. HOWEVER OVER MOUNTAIN TOPS WEST TO NORTHWEST WINDS WILL BE MUCH HIGHER WITH GUSTS NEAR 100 MPH. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. 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. && $$ WYZ001-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES OF SNOWFALL COULD OCCUR. ESTIMATED SNOWFALL TOTALS ACROSS YELLOWSTONE HAS RANGED CONSIDERABLE FROM OVER TWO FEET ACROSS THE SOUTH AND SOUTHWEST PORTIONS OF THE PARK...TO ONLY A FEW INCHES ACROSS THE NORTH. * WIND AND VISIBILITY...WEST TO NORTHWEST WINDS BETWEEN 15 AND 25 MPH WILL BE COMMON...WITH A FEW AREAS SUSTAINED AROUND 30 MPH WITH GUSTS NEAR 60 MPH AT TIMES. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS... ESPECIALLY OVER MOUNTAIN PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ014-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ WIND RIVER MOUNTAINS WEST- 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. WINDS WILL INCREASE SIGNIFICANTLY TODAY AND LAST THROUGH TONIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL COULD OCCUR...ESPECIALLY ABOVE 9000 FEET IN THE CENTRAL AND NORTHERN PORTION OF THE WIND RIVER RANGE. ESTIMATED SNOWFALL TOTALS ACROSS THE WESTERN SLOPES OF THE WIND RIVER MOUNTAINS HAS RANGED BETWEEN 5 AND 10 INCHES...WITH ISOLATED HIGHER AMOUNTS. * WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH...WITH GUSTS NEAR 60 MPH WILL CONTINUE ACROSS SOUTH PASS. SNOW SHOWERS AND THE STRONG WIND WILL CREATE NEAR WHITEOUT CONDITIONS AT TIMES OVER SOUTH PASS. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. AS OF 7 PM WEDNESDAY...SOUTH PASS REMAINS CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. 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. && $$ WYZ008-009-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING...BEFORE TAPERING OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WIND WILL CONTINUE TONIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL COULD OCCUR. ESTIMATED SNOWFALL TOTALS ACROSS THE BIGHORN MOUNTAINS HAVE GENERALLY RANGED BETWEEN ONE AND TWO FEET ACROSS THE NORTH...AND ONLY BETWEEN 4 AND 8 INCHES ALONG THE EAST AND SOUTHERN SECTIONS OF THE MOUNTAIN RANGE. * WIND AND VISIBILITY...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH WILL CONTINUE OVERNIGHT. VISIBILITY WILL BE NEAR ZERO AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY WILL BE HAZARDOUS. AS OF 7 PM...POWDER RIVER AND GRANITE PASSES ARE CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ013-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SCATTERED TO NUMEROUS SNOW SHOWERS WILL CONTINUE THIS EVENING...BUT TAPER OFF TO LIGHT SNOW OR FLURRIES AFTER MIDNIGHT. BRIEF HEAVY SNOW COULD OCCUR IN THESE SNOW SHOWERS. STRONG WIND WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL ONE TO THREE INCHES IS EXPECTED. * WIND AND VISIBILITY...SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS NEAR 50 MPH WILL OCCUR THROUGH THIS EVENING...BUT WILL BEGIN TO WEAKEN AFTER 10 PM. LIMITED VISIBILITY BELOW A QUARTER MILE IS EXPECTED IN SNOW AND BLOWING SNOW. * IMPACTS...TETON AND TOGWOTEE PASS WILL REMAIN SNOWPACKED AND SLICK TONIGHT. ROADS IN THE LOWER ELEVATIONS WILL BE WET TO SLICK IN SPOTS THIS EVENING...BUT WILL INCREASINGLY BECOME SLICK AS THE TEMPERATURES DROP THROUGH THE 20S. 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. && $$ WYZ023-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SCATTERED TO NUMEROUS SNOW SHOWERS WILL AFFECT STAR VALLEY THROUGH ABOUT MIDNIGHT...WITH A MORE PERSISTENT LIGHT TO PERHAPS MODERATE SNOW CONTINUING AFTER MIDNIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES IS EXPECTED...BUT AREAS SUCH AS ALPINE AND THAYNE COULD SEE AN ADDITIONAL 4 TO 6 INCHES OVERNIGHT. * WIND AND VISIBILITY...WEST TO SOUTHWEST WINDS BETWEEN 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL OCCUR THIS EVENING...WITH WINDS DECREASING AFTER MIDNIGHT. VISIBILITY WILL BE BELOW A QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOUNTAIN PASSES WILL REMAIN SNOWPACKED AND SLICK TONIGHT. ROADS IN THE LOWER ELEVATIONS WILL BE WET TO SLICK IN SPOTS THIS EVENING...BUT WILL INCREASINGLY BECOME SLICK AS THE TEMPERATURES DROP THROUGH THE 20S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ025-231200- /O.CON.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 743 PM MST WED FEB 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THIS EVENING. SNOW WILL BEGIN TO TAPER OFF TO LIGHT SNOW OR FLURRIES LATE TONIGHT. STRONG WEST TO NORTHWEST WINDS WILL CONTINUE TONIGHT...BUT WILL WEAKEN THROUGH THE NIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL ONE TO THREE INCHES OF SNOW IS EXPECTED. * WIND AND VISIBILITY...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH. VISIBILITY WILL BE LESS THAN A QUARTER OF A MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME HAZARDOUS. TRAVELERS SHOULD BE PREPARED FOR ROAD CLOSURES. AS OF 7 PM WEDNESDAY...SOUTH PASS REMAINS CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. 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. && $$ WYZ020-231200- /O.CON.KRIW.WW.Y.0009.120223T0400Z-120223T1200Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 743 PM MST WED FEB 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...A BURST OF HEAVIER SNOWFALL WILL PUSH SOUTH ACROSS NATRONA COUNTY THROUGH MIDNIGHT...WITH SCATTERED SNOW SHOWERS CONTINUING AFTER MIDNIGHT. * SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 5 INCHES IS EXPECTED ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY...WITH LOCALLY HIGHER AMOUNTS POSSIBLE ACROSS THE FOOTHILLS. * WIND AND VISIBILITY...STRONG WEST WIND OF 25 TO 35 WITH GUSTS UP TO 50 MPH WILL CONTINUE THIS EVENING...BEFORE SWITCHING TO THE NORTHWEST TO NORTH AROUND 20 MPH IN WAKE OF A COLD FRONT. VISIBILITY WILL BE NEAR ZERO AT TIMES IN RURAL AREAS WITH SNOW AND BLOWING SNOW. * IMPACTS...SNOWFALL AND STRONG WIND WILL COMBINE TO CREATE HAZARDOUS DRIVING CONDITIONS ACROSS NATRONA COUNTY THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
631 WWUS45 KRIW 231020 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 320 AM MST THU FEB 23 2012 ...SNOWFALL HAS DECREASED ACROSS WESTERN AND CENTRAL WYOMING... .THE PACIFIC TROUGH AND COLD FRONT HAVE EXITED OFF TO THE SOUTHEAST OF THE AREA. IN ADDITION...THE SURFACE PRESSURE GRADIENT AND THE WINDS ALOFT HAVE DECREASED. THIS HAS RESULTED IN DIMINISHED SNOWFALL ALONG WITH LESS WIND AND A LESSENING OF THE RESULTING BLOWING AND DRIFTING OF THE NEWLY FALLEN SNOW ACROSS MUCH OF CENTRAL AND WESTERN WYOMING. WYZ001-008-009-012>014-023>025-231130- /O.CAN.KRIW.WS.W.0003.000000T0000Z-120223T1200Z/ YELLOWSTONE NATIONAL PARK-BIGHORN MOUNTAINS WEST- BIGHORN MOUNTAINS SOUTHEAST-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-WIND RIVER MOUNTAINS WEST-STAR VALLEY- SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE...PINEDALE 320 AM MST THU FEB 23 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOWFALL HAS DECREASED OVER FAR WESTERN WYOMING AND IN THE NORTHERN AND WESTERN MOUNTAINS. THUS THE WINTER STORM WARNING HAS BEEN ALLOWED TO EXPIRE. $$ WYZ020-231130- /O.CAN.KRIW.WW.Y.0009.000000T0000Z-120223T1200Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 320 AM MST THU FEB 23 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOWFALL HAS DECREASED OVER NATRONA COUNTY INCLUDING THE CITY OF CASPER. THUS THE WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ LIPSON
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 Feb 21, 2:40 AM MST, 17 minutes earlier.
Area forecast discussion, Feb 21, 2:40 AM MST, 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 240 AM MST TUE FEB 21 2012 .SHORT TERM...TUESDAY THROUGH THURSDAY NIGHT LIGHT SNOW CONTINUES TO FALL IN WESTERN WYOMING THIS MORNING AS A MOISTURE LADEN PACIFIC SHORTWAVE TROUGH MOVES THROUGH THE AREA. SNOW WILL CONTINUE IN THE WEST FOR THE NEXT SEVERAL DAYS WITH THE GREATEST SNOWFALL RATES EXPECTED THIS AFTERNOON THROUGH EARLY WEDNESDAY WITH BEST ISENTROPIC FORCING. AFTER THAT TIME MOIST NORTHWEST FLOW CONTINUES AND OROGRAPHICS TAKE OVER AS THE PRIMARY FORCING MECHANISM. SNOW WILL BEGIN A LITTLE LATER IN THE BIGHORNS BUT SHOULD CONTINUE FOR THE NEXT COUPLE DAYS AS WELL. AS SUCH HAVE ISSUED A WINTER STORM WARNING FOR THE BIGHORNS AND UPGRADED THE WARNINGS FOR THE WESTERN MOUNTAINS. THE OTHER PART OF THE STORY FOR THE NEXT COUPLE DAYS WILL BE THE WIND. HIGH WIND WARNINGS ARE IN CURRENTLY IN EFFECT FOR THE ABSAROKAS AND CODY FOOTHILLS AS HIGH RESOLUTION MODELS INDICATE LEE TROUGHING AND THE POTENTIAL FOR MOUNTAIN WAVE ACTIVITY IN THE AREA TODAY. AND THE UPPER WIND RIVER BASIN FROM DUBOIS TO CROWHEART ARE ALSO AT RISK AS NORTHWEST WIND FUNNEL DOWN THE MOUNTAINS. THE HIGH WIND POTENTIAL INCREASES AND BECOMES MORE WIDESPREAD EARLY WEDNESDAY MORNING AS JET DYNAMICS BECOME MORE FAVORABLE WITH THE RIGHT EXIT REGION OF A 140 KT JET MOVING OVER THE AREA. HIGH WIND IS POSSIBLE WEDNESDAY ALONG THE EAST SLOPES OF THE WIND RIVER RANGE AND LANDER FOOTHILLS AS WELL AS THE WIND CORRIDOR FROM THE RED DESERT TO CASPER. ALONG WITH THE WIND WILL COME SIGNIFICANT WARMING EAST OF THE CONTINENTAL DIVIDE. TEMPERATURES SHOULD WARM OVERNIGHT INTO EARLY WEDNESDAY IN THE CODY FOOTHILLS AND PERHAPS LANDER. TEMPERATURES IN THE WIND RIVER BASIN WITH FULL MIXING WILL LIKELY BE IN THE MID 50S WITH SOME AREAS APPROACHING 60 DEPENDING ON THE TIMING OF WARM ADVECTION OVER THE AREA. WINDY CONDITIONS WILL REMAIN THURSDAY AFTER A COLD FRONT MOVES IN FROM THE NORTH WEDNESDAY NIGHT. THE COLDER AIR BEHIND THE FRONT WILL REDUCE THE SCOPE OF THE DENDRITIC GROWTH ZONE EFFECTIVELY REDUCING SNOWFALL ACROSS THE AREA. LIGHT SNOW WILL REMAIN FOR THE MOUNTAINS OF WESTERN AND CENTRAL WYOMING WITH COLDER TEMPERATURES EXPECTED THROUGH THURSDAY NIGHT. .LONG TERM...FRIDAY THROUGH TUESDAY MEDIUM RANGE REMAINS A CHALLENGE WITH RUN TO RUN CHANGES IN EACH MODEL. THE INDIVIDUAL SHORTWAVES ARE TRACKABLE ACROSS THE PACIFIC BUT THE INTERACTION BETWEEN THEM BECOMES HARDER TO RESOLVE...AT LEAST IN THE MODELS...AS TIME GOES ON. THE MAIN DISCREPANCY BETWEEN THE ECMWF AND THE GFS IS WITH THE SHORTWAVE BEHIND OUR WEEKEND SYSTEM. THE ECMWF DROPS THIS SYSTEM SE INTO THE TROUGH ALLOWING THE TROUGH TO HANG AROUND THE EARLY INTO EARLY NEXT WEEK. THE GFS DOES NOT PUMP UP THE UPSTREAM RIDGE AS MUCH AND THUS THIS SECONDARY SHORTWAVE EARLY NEXT WEEK REMAINS WEAKER AND TO THE NORTH. HEMISPHERIC ANALYSIS SEEMS TO SUPPORT THE ECMWF BUT CONFIDENCE IS MODERATE AT BEST WITH EVEN THE ECMWF CHANGING DETAILS WITH EACH RUN. GFS REMAINS FASTER WITH THE INITIAL SYSTEM ARRIVING EARLY SATURDAY IN THE WEST BEFORE QUICKLY MOVING EAST OF THE DIVIDE. THE ECMWF IS AT LEAST 12 HOURS SLOWER. FORECAST IS A GENERAL BLEND RIGHT NOW WITH A NUDGE TOWARDS THE ECMWF ON SUNDAY. AHEAD OF THIS SYSTEM...A SHORTWAVE RIDGE SHOULD STILL HOLD FOR FRIDAY. FORECAST LEANS TOWARDS A TROUGH HANGING OVER THE AREA THROUGH AT LEAST MONDAY WITH CHANCE POPS IN THE MOUNTAINS AND SLIGHT CHANCES ACROSS THE LOWER ELEVATIONS ALONG WITH COLDER TEMPERATURES THAN THE GFS INDICATES. WILL KEEP TUESDAY COLD WITH MAINLY CHANCE POPS REMAINING OVER THE MOUNTAINS. && .AVIATION.../12Z ISSUANCE/ WEST OF THE DIVIDE...WIDESPREAD MVFR/AREAS OF IFR -SN AND WITH MOUNTAINS MOSTLY OBSCURED...WILL BE ENCOUNTERED THROUGH THE MORNING VCNTY AND WEST OF A KBZN-KJAC-KEVW LINE THIS MORNING. THESE CONDITIONS WILL DETERIORATE FURTHER TO WIDESPREAD IFR/AREAS OF LIFR SN/+SN FROM 18Z TUESDAY THROUGH TUESDAY NIGHT. VFR CONDITIONS WILL PREVAIL VCNTY EAST OF A KBPI-KRKS WITH AREAS OF MVFR -SN OVER THE VALLEYS WITH MTS FQTLY OBSCURED. LINE RIDGE TOP WINDS WILL RAPIDLY INCREASE TO BETWEEN 40-50KTS TUESDAY AFTERNOON AND TO NEAR 65 KTS AFTER 06Z WEDNESDAY ALONG WITH AREAS OF LLWS AND MDT/SVR TURBULENCE. EAST OF THE DIVIDE...VFR CONDITIONS WILL PREVAIL THROUGH THIS PERIOD. MOUNTAIN WAVE ACTIVITY ALONG A VCNTY KCOD-KU25 LINE WILL PRECEDE RAPIDLY INCREASING RIDGE TOP WINDS TODAY. THE WINDOW FOR MOUNTAIN WAVE ACTIVITY AND OCCASIONAL WIND GUSTS NEAR 50KTS WILL BE FROM 09Z-15Z ALONG THIS LINE. A LULL IN THE WIND MAY OCCUR LATER THIS MORNING ALONG THE FOOTHILLS AND THEN RIDGE TOP WINDS WILL RAPIDLY INCREASE THIS AFTERNOON WITH WINDS AT 8500 FT MSL INCREASING TO NEAR 50KTS...AND TO 60-70KTS BY 12Z WEDNESDAY. HIGH WINDS WILL LIKELY MIX DOWN INTO THE FOOTHILLS...VCNTY KCOD-KLND AFTER 06Z WEDNESDAY. STRENGTHENING SW SFC WINDS WILL ALSO BE ENCOUNTERED THROUGH THE KRKS-KCPR WIND CORRIDOR THIS MORNING THROUGH 12Z WEDNESDAY. THESE STRONG WINDS WILL CONTINUE TO INCREASE AND BECOME MORE WIDESPREAD THROUGH THE DAY WEDNESDAY. && .FIRE WEATHER... SNOW AND WIND WILL BE PREVALENT ACROSS THE AREA OVER THE NEXT SEVERAL DAYS AND A SERIES OF PACIFIC DISTURBANCES AFFECT THE AREA. HEAVY SNOW IS POSSIBLE TODAY AND TONIGHT IN THE MOUNTAINS OF WESTERN AND CENTRAL WYOMING WITH WINDY CONDITIONS ACROSS THE ENTIRE AREA. SNOW THE STRONGEST WIND WILL OCCUR WEDNESDAY WITH HIGH WIND POSSIBLE ACROSS MUCH OF CENTRAL WYOMING. && .RIW WATCHES/WARNINGS/ADVISORIES... HIGH WIND WATCH FROM LATE TONIGHT THROUGH WEDNESDAY EVENING WYZ015-018>020-030. WINTER WEATHER ADVISORY UNTIL 5 AM MST THURSDAY WYZ013-023. WINTER STORM WARNING UNTIL 5 AM MST THURSDAY WYZ001-012-014-024. HIGH WIND WARNING UNTIL 8 PM MST WEDNESDAY WYZ002-003-016. WINTER STORM WARNING FROM 11 AM THIS MORNING TO 5 AM MST THURSDAY WYZ008-009. && SHORT TERM...BERC LONG TERM...SKRBAC AVIATION...AEM FIRE WEATHER...BERC
Hazardous weather outlook, Feb 20, 12:44 PM MST, 14 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 1244 PM MST MON FEB 20 2012 WYZ001>020-022>030-211430- 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- 1244 PM MST MON FEB 20 2012 ...HIGH WIND WATCH FOR IN AND NEAR THE EAST SLOPES OF THE MOUNTAINS LATE TONIGHT THROUGH WEDNESDAY EVENING... ...WINTER STORM WATCH FOR THE WESTERN MOUNTAINS TUESDAY THROUGH WEDNESDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT STRONG WINDS ARE EXPECTED TO DEVELOP ALONG AND NEAR THE EAST SLOPES OF THE ABSAROKA AND WIND RIVER MOUNTAINS THROUGH THE NIGHT. HIGH WINDS MAY DEVELOP AROUND CLARK AND DUBOIS. SNOWFALL WILL INCREASE ACROSS THE WESTERN MOUNTAINS AND VALLEYS THROUGH THE NIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY .TUESDAY THROUGH THURSDAY...PERIODS OF SNOW AND STRONG WINDS FOR THE WESTERN AND NORTHERN WYOMING MOUNTAINS. AREAS OF VERY STRONG WIND EXPECTED EAST OF THE CONTINENTAL DIVIDE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. .SATURDAY...ANOTHER STORM SYSTEM TO BRING SNOW TO WESTERN WYOMING. .SUNDAY...A STRONG COLD FRONT WILL LIKELY BRING SNOW TO MUCH OF THE AREA WITH SHARPLY COLDER TEMPERATURES. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOW AMOUNTS FROM SUNDAY'S STORM. THANK YOU. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 9:42 PM MST | Winter Weather Advisory | RIW | Lincoln, Teton | 11 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.