Alert archive / Wyoming / Winter Storm Warnings in 2013
Winter Storm Warning 2, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Jan 30, 2013, 1:42 AM MST for 7 counties in Wyoming. It took effect at Jan 30, 2013, 8:00 AM MST. It was in force for 31 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2013, 1:42 AM MST (08:42 UTC)
- In effect from
- Jan 30, 2013, 8:00 AM MST
- Expired
- Jan 31, 2013, 3:00 PM MST
- In force
- 31 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, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 62 km from the middle of the area, began a volume at 08:42 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.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 8.7 hours before the alert went out and 61 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
- 819 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
235 WWUS45 KRIW 300842 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 142 AM MST WED JAN 30 2013 ...MORE SNOW AND WIND TO IMPACT THE AREA THROUGH THURSDAY MORNING... .SWIFT NORTHWEST FLOW WILL DRAW IN ANOTHER DISTURBANCE WITH PERIODS OF HEAVY SNOW AND STRONG WINDS TODAY AND TOMORROW. SNOW WILL BEGIN IN THE WEST EARLY THIS MORNING AND WILL SPREAD SOUTH AND EAST BY LATE MORNING. THE HEAVIEST SNOW IS EXPECTED TO OCCUR ALONG THE WEST SLOPES OF THE BIGHORNS TODAY AND TONIGHT WHERE 12 TO 15 INCHES ARE EXPECTED TO ACCUMULATE IN THE BURGESS JUNCTION AREA. WYZ008-301900- /O.NEW.KRIW.WS.W.0002.130130T1500Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 142 AM MST WED JAN 30 2013 ...WINTER STORM WARNING IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING AND WILL TAPER OFF THROUGH NOON ON THURSDAY. * SNOW ACCUMULATIONS...12 TO 15 INCHES OF SNOW ARE POSSIBLE NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE EXPECTED THROUGH THE EVENING HOURS. WINDS WILL TAPER OFF SLIGHTLY OVERNIGHT...RETURNING EARLY THURSDAY MORNING AND LASTING THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY MAY BECOME HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS TODAY AND TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-012-013-023-024-301900- /O.NEW.KRIW.WW.Y.0005.130130T1200Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE 142 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY LATE MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH THE EARLY MORNING HOURS ON THURSDAY...TAPERING OFF BY NOON. * SNOW ACCUMULATIONS...8 TO 10 INCHES WITH LOCAL AMOUNTS EXCEEDING 12 INCHES IN THE MOUNTAINS WITH 3 TO 6 INCHES EXPECTED IN THE VALLEYS...WITH LOCALLY HIGHER AMOUNTS IN AREAS FAVORED BY NORTHWEST FLOW. * WIND AND VISIBILITY...WINDS WILL BE STRONG OVER THE HIGHER ELEVATIONS...SUSTAINED 25 TO 35 MPH WINDS WITH GUSTS OVER 60 MPH THROUGH THURSDAY MORNING. THE LOWER ELEVATIONS MAY HAVE PERIODS OF 15 TO 25 MPH WINDS CAUSING BRIEF REDUCTIONS IN VISIBILITY BELOW ONE MILE. VISIBILITY WILL BE FREQUENTLY REDUCED BELOW ONE HALF MILE OVER THE HIGHER ELEVATIONS AND PASSES. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES INCLUDING TOGWOTEE AND TETON PASS. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-025-301900- /O.NEW.KRIW.WW.Y.0005.130130T1500Z-130131T1900Z/ ABSAROKA MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 142 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING AND WILL TAPER OFF THROUGH NOON ON THURSDAY. * SNOW ACCUMULATIONS...8 TO 12 INCHES ARE EXPECTED IN THE ABSAROKAS WITH 3 TO 6 INCHES EXPECTED AROUND BONDURANT AND 1 TO 3 INCHES EXPECTED FROM PINEDALE SOUTH. * WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE NORTHWEST REDUCING VISIBILITY BELOW ONE MILE IN BLOWING SNOW ACROSS THE ADVISED AREA. WINDS WILL BE STRONGEST IN THE ABSAROKAS WITH 30 TO 40 MPH SUSTAINED WINDS AND GUSTS OVER 60 MPH COMMON. WINDS WILL BE NORTHWESTERLY FROM 15 TO 25 MPH WITH GUSTS OVER 35 MPH AT TIMES IN THE UPPER GREEN RIVER BASIN FOOTHILLS. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. 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. && $$ WYZ004-009-301900- /O.NEW.KRIW.WW.Y.0005.130130T1500Z-130131T1900Z/ NORTH BIG HORN BASIN-BIGHORN MOUNTAINS SOUTHEAST- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 142 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. * SNOW ACCUMULATIONS...3 TO 6 INCHES FROM LOVELL TO GREYBULL EAST. 1 TO 3 INCHES ARE EXPECTED ELSEWEHRE. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
8 follow-up statements
435 WWUS45 KRIW 301552 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 852 AM MST WED JAN 30 2013 ...MORE SNOW AND WIND TO IMPACT THE AREA THROUGH THURSDAY MORNING... .SWIFT NORTHWEST FLOW WILL DRAW IN ANOTHER DISTURBANCE WITH PERIODS OF HEAVY SNOW AND STRONG WINDS TODAY AND TOMORROW. SNOW WILL BEGIN IN THE WEST EARLY THIS MORNING AND WILL SPREAD SOUTH AND EAST BY LATE MORNING. THE HEAVIEST SNOW IS EXPECTED TO OCCUR ALONG THE WEST SLOPES OF THE BIGHORNS TODAY AND TONIGHT WHERE 12 TO 15 INCHES ARE EXPECTED TO ACCUMULATE IN THE BURGESS JUNCTION AREA. WYZ008-310000- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 852 AM MST WED JAN 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING AND WILL TAPER OFF THROUGH NOON ON THURSDAY. * SNOW ACCUMULATIONS...12 TO 15 INCHES OF SNOW ARE POSSIBLE NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE EXPECTED THROUGH THE EVENING HOURS. WINDS WILL TAPER OFF SLIGHTLY OVERNIGHT...RETURNING EARLY THURSDAY MORNING AND LASTING THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY MAY BECOME HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS TODAY AND TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ010-310000- /O.EXA.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 852 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING WITH INCREASING WIND THIS AFTERNOON AND EVENING RESULTING IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS AFTERNOON AND EVENING BEFORE GRADUALLY DECREASING. VISIBILITY REDUCED TO UNDER ONE HALF MILE AT TIMES. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-012-013-023-024-310000- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE 852 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY LATE MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH THE EARLY MORNING HOURS ON THURSDAY... TAPERING OFF BY NOON. * SNOW ACCUMULATIONS...8 TO 10 INCHES WITH LOCAL AMOUNTS EXCEEDING 12 INCHES IN THE MOUNTAINS WITH 3 TO 6 INCHES EXPECTED IN THE VALLEYS...WITH LOCALLY HIGHER AMOUNTS IN AREAS FAVORED BY NORTHWEST FLOW. * WIND AND VISIBILITY...WINDS WILL BE STRONG OVER THE HIGHER ELEVATIONS...SUSTAINED 25 TO 35 MPH WINDS WITH GUSTS OVER 60 MPH THROUGH THURSDAY MORNING. THE LOWER ELEVATIONS MAY HAVE PERIODS OF 15 TO 25 MPH WINDS CAUSING BRIEF REDUCTIONS IN VISIBILITY BELOW ONE MILE. VISIBILITY WILL BE FREQUENTLY REDUCED BELOW ONE HALF MILE OVER THE HIGHER ELEVATIONS AND PASSES. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES INCLUDING TOGWOTEE AND TETON PASS. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-025-310000- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ ABSAROKA MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 852 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING AND WILL TAPER OFF THROUGH NOON ON THURSDAY. * SNOW ACCUMULATIONS...8 TO 12 INCHES ARE EXPECTED IN THE ABSAROKAS WITH 3 TO 6 INCHES EXPECTED AROUND BONDURANT AND 1 TO 3 INCHES EXPECTED FROM PINEDALE SOUTH. * WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE NORTHWEST REDUCING VISIBILITY BELOW ONE MILE IN BLOWING SNOW ACROSS THE ADVISED AREA. WINDS WILL BE STRONGEST IN THE ABSAROKAS WITH 30 TO 40 MPH SUSTAINED WINDS AND GUSTS OVER 60 MPH COMMON. WINDS WILL BE NORTHWESTERLY FROM 15 TO 25 MPH WITH GUSTS OVER 35 MPH AT TIMES IN THE UPPER GREEN RIVER BASIN FOOTHILLS. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ004-009-310000- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN-BIGHORN MOUNTAINS SOUTHEAST- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 852 AM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL BEGIN TO FALL EARLY THIS MORNING AND WILL BECOME HEAVY BY NOON. PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. * SNOW ACCUMULATIONS...3 TO 6 INCHES FROM LOVELL TO GREYBULL EAST. 1 TO 3 INCHES ARE EXPECTED ELSEWHERE. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. 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
227 WWUS45 KRIW 302100 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 200 PM MST WED JAN 30 2013 ...MORE SNOW AND WIND TO IMPACT THE AREA THROUGH THURSDAY MORNING... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO CREATE SNOW INTO THURSDAY MORNING BEFORE ENDING. THE HEAVIEST SNOW WILL BE ON THE NORTHWEST FACING SLOPES OF THE NORTHERN BIGHORNS WHERE 2 TO 3 FEET IS EXPECTED. WYZ008-311200- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 200 PM MST WED JAN 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING...HEAVY AT TIMES THROUGH THIS EVENING WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...2 TO 3 FEET NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE EXPECTED TONIGHT. WINDS WILL TAPER OFF SLIGHTLY LATER TONIGHT...RETURNING THURSDAY MORNING AND LASTING THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-012-013-023-024-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE 200 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING WITH THE HEAVIEST SNOW THROUGH THIS EVENING. * SNOW ACCUMULATIONS...8 TO 10 INCHES WITH LOCAL AMOUNTS EXCEEDING 12 INCHES IN THE MOUNTAINS WITH 3 TO 6 INCHES EXPECTED IN THE VALLEYS...WITH LOCALLY HIGHER AMOUNTS IN AREAS FAVORED BY NORTHWEST FLOW. * WIND AND VISIBILITY...WINDS WILL BE STRONG OVER THE HIGHER ELEVATIONS...SUSTAINED 25 TO 35 MPH WINDS WITH GUSTS OF 50 TO 60 MPH THROUGH THURSDAY MORNING. THE LOWER ELEVATIONS MAY HAVE PERIODS OF 15 TO 25 MPH WINDS CAUSING BRIEF REDUCTIONS IN VISIBILITY BELOW ONE MILE. VISIBILITY WILL BE FREQUENTLY REDUCED BELOW ONE HALF MILE OVER THE HIGHER ELEVATIONS AND PASSES. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES INCLUDING TOGWOTEE AND TETON PASS. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-025-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ ABSAROKA MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 200 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL FALL IN THE MOUNTAINS AND AROUND BONDURANT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED IN THE ABSAROKAS WITH 3 TO 6 INCHES EXPECTED AROUND BONDURANT AND 1 TO 3 INCHES EXPECTED FROM PINEDALE SOUTH. * WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE NORTHWEST REDUCING VISIBILITY BELOW ONE MILE IN BLOWING SNOW ACROSS THE ADVISED AREA. WINDS WILL BE STRONGEST IN THE ABSAROKAS WITH 30 TO 40 MPH SUSTAINED WINDS AND GUSTS OVER 60 MPH COMMON. WINDS WILL BE NORTHWESTERLY FROM 15 TO 25 MPH WITH GUSTS OVER 35 MPH AT TIMES IN THE UPPER GREEN RIVER BASIN FOOTHILLS. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ004-009-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN-BIGHORN MOUNTAINS SOUTHEAST- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 200 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. * SNOW ACCUMULATIONS...3 TO 6 INCHES FROM LOVELL TO GREYBULL EAST. 1 TO 3 INCHES ARE EXPECTED ELSEWHERE. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. 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. && $$ WYZ010-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 200 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING WITH INCREASING WIND THIS AFTERNOON AND EVENING RESULTING IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS AFTERNOON AND EVENING BEFORE GRADUALLY DECREASING. VISIBILITY REDUCED TO UNDER ONE HALF MILE AT TIMES. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON
765 WWUS45 KRIW 302225 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 325 PM MST WED JAN 30 2013 ...MORE SNOW AND WIND TO IMPACT THE AREA THROUGH THURSDAY MORNING... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO CREATE SNOW INTO THURSDAY MORNING BEFORE ENDING. THE HEAVIEST SNOW WILL BE ON THE NORTHWEST FACING SLOPES OF THE NORTHERN BIGHORNS WHERE 2 TO 3 FEET IS EXPECTED. WYZ008-311200- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 325 PM MST WED JAN 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING...HEAVY AT TIMES THROUGH THIS EVENING WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...2 TO 3 FEET NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE EXPECTED TONIGHT. WINDS WILL TAPER OFF SLIGHTLY LATER TONIGHT...RETURNING THURSDAY MORNING AND LASTING THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-012-013-023-024-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...AFTON...ALPINE...THAYNE 325 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING WITH THE HEAVIEST SNOW THROUGH THIS EVENING. 2 TO 4 INCHES HAS BEEN REPORTED THIS AFTERNOON FROM THE JACKSON VALLEY WITH 2 TO 6 INCHES IN THE STAR VALLEY WITH LOCAL AMOUNTS UP TO 8 INCHES. THE MOUNTAINS HAVE REPORTED 4 TO 8 INCHES WITH LOCAL AMOUNTS NEARING A FOOT. * SNOW ACCUMULATIONS...ANOTHER 3 TO 6 INCHES WILL FALL IN THE STAR VALLEY WITH 2 TO 4 INCHES IN THE JACKSON VALLEY. THE MOUNTAINS WILL SEE ANOTHER 4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN NORTHWEST FLOW FAVORED AREAS. THE HEAVIEST SNOW WILL FALL THROUGH THIS EVENING BEFORE GRADUALLY DECREASING. LIGHTER SNOW WILL STILL CONTINUE THROUGH THURSDAY MORNING. * WIND AND VISIBILITY...WINDS WILL BE STRONG OVER THE HIGHER ELEVATIONS...SUSTAINED 25 TO 35 MPH WINDS WITH GUSTS OF 50 TO 60 MPH THROUGH THURSDAY MORNING. THE LOWER ELEVATIONS MAY HAVE PERIODS OF 15 TO 25 MPH WINDS CAUSING BRIEF REDUCTIONS IN VISIBILITY BELOW ONE MILE. VISIBILITY WILL BE FREQUENTLY REDUCED BELOW ONE HALF MILE OVER THE HIGHER ELEVATIONS AND PASSES. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES INCLUDING TOGWOTEE AND TETON PASS. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-025-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ ABSAROKA MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 325 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL FALL IN THE MOUNTAINS AND AROUND BONDURANT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED IN THE ABSAROKAS WITH 3 TO 6 INCHES EXPECTED AROUND BONDURANT AND 1 TO 3 INCHES EXPECTED FROM PINEDALE SOUTH. * WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE NORTHWEST REDUCING VISIBILITY BELOW ONE MILE IN BLOWING SNOW ACROSS THE ADVISED AREA. WINDS WILL BE STRONGEST IN THE ABSAROKAS WITH 30 TO 40 MPH SUSTAINED WINDS AND GUSTS OVER 60 MPH COMMON. WINDS WILL BE NORTHWESTERLY FROM 15 TO 25 MPH WITH GUSTS OVER 35 MPH AT TIMES IN THE UPPER GREEN RIVER BASIN FOOTHILLS. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. 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. && $$ WYZ004-009-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN-BIGHORN MOUNTAINS SOUTHEAST- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 325 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. SNOWFALL AMOUNTS OF 1 TO 3 INCHES HAVE BEEN REPORTED THROUGH 3 PM TODAY EXCEPT FOR 4 TO 6 INCHES FROM FRANNIE TO LOVELL. * SNOW ACCUMULATIONS...4 TO 8 INCHES FROM LOVELL TO GREYBULL EAST WITH 1 TO 3 INCHES ARE EXPECTED ELSEWHERE. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ010-311200- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 325 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING WITH INCREASING WIND THIS AFTERNOON AND EVENING RESULTING IN BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS AFTERNOON AND EVENING BEFORE GRADUALLY DECREASING. VISIBILITY REDUCED TO UNDER ONE HALF MILE AT TIMES. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON
113 WWUS45 KRIW 310056 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 556 PM MST WED JAN 30 2013 ...MORE SNOW AND WIND TO IMPACT THE AREA THROUGH THURSDAY MORNING... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO CREATE SNOW INTO THURSDAY MORNING BEFORE ENDING. THE HEAVIEST SNOW WILL BE ON THE NORTHWEST FACING SLOPES OF THE NORTHERN BIGHORNS WHERE 2 TO 3 FEET IS EXPECTED. WYZ023-311015- /O.UPG.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ /O.EXA.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 556 PM MST WED JAN 30 2013 ...WINTER STORM WARNING IN EFFECT UNTIL NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL NOON MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING...WITH THE HEAVIEST SNOWFALL THROUGH 3 AM THURSDAY. LIGHTER SNOW WILL STILL CONTINUE THROUGH THURSDAY MORNING. * SNOWFALL AMOUNTS SO FAR...3 TO 8 INCHES ACROSS STAR VALLEY. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 8 INCHES WILL LIKELY FALL IN THE STAR VALLEY MAKING TOTAL SNOWFALL BETWEEN 6 AND 12 INCHES WITH ISOLATED AMOUNTS NEAR 15 INCHES NEAR ALPINE AND THAYNE. * VISIBILITY...BELOW AT A MILE AT TIMES. * IMPACTS...TRAVEL WILL BE DIFFICULT ESPECIALLY OVER AREA MOUNTAIN PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ004-311015- /O.UPG.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ /O.EXA.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 556 PM MST WED JAN 30 2013 ...WINTER STORM WARNING IN EFFECT UNTIL NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL NOON MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. * SNOWFALL AMOUNTS SO FAR...4 TO 6 INCHES FROM FRANNIE TO GREYBULL INCLUDING LOVELL...WITH ONLY AROUND ONE INCH NEAR POWELL * TOTAL SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES OF SNOW IS EXPECTED WITH TOTAL SNOWFALL RANGING GENERALLY BETWEEN 6 AND 10 INCHES...ALONG AND EAST OF A LINE FROM LOVELL TO GREYBULL. LIGHTER AMOUNTS ARE EXPECTED NEAR POWELL WHERE TOTAL SNOWFALL BETWEEN 2 AND 4 INCHES ARE EXPECTED. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. 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. && $$ WYZ008-311015- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 556 PM MST WED JAN 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THURSDAY MORNING...HEAVY AT TIMES THROUGH THIS EVENING WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR. * SNOW ACCUMULATIONS...2 TO 3 FEET NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE EXPECTED TONIGHT. WINDS WILL TAPER OFF SLIGHTLY LATER TONIGHT...RETURNING THURSDAY MORNING AND LASTING THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ001-012-013-024-311015- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS- JACKSON HOLE-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...JACKSON 556 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING. THE HEAVIEST SNOW WILL FALL THROUGH THIS EVENING BEFORE GRADUALLY DECREASING. LIGHTER SNOW WILL STILL CONTINUE THROUGH THURSDAY MORNING. * SNOWFALL AMOUNTS SO FAR...2 TO 4 INCHES HAS BEEN REPORTED THIS AFTERNOON ACROSS JACKSON HOLE. THE MOUNTAINS HAVE REPORTED 4 TO 8 INCHES WITH LOCAL AMOUNTS NEARING A FOOT. * SNOW ACCUMULATIONS...ANOTHER 2 TO 4 INCHES IN THE JACKSON VALLEY. THE MOUNTAINS WILL SEE ANOTHER 4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN NORTHWEST FLOW FAVORED AREAS. * WIND AND VISIBILITY...WINDS WILL BE STRONG OVER THE HIGHER ELEVATIONS...SUSTAINED 25 TO 35 MPH WINDS WITH GUSTS OF 50 TO 60 MPH THROUGH THURSDAY MORNING. THE LOWER ELEVATIONS MAY HAVE PERIODS OF 15 TO 25 MPH WINDS CAUSING BRIEF REDUCTIONS IN VISIBILITY BELOW ONE MILE. VISIBILITY WILL BE FREQUENTLY REDUCED BELOW ONE HALF MILE OVER THE HIGHER ELEVATIONS AND PASSES. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES INCLUDING TOGWOTEE AND TETON PASS. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ002-025-311015- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ ABSAROKA MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 556 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL FALL IN THE MOUNTAINS AND AROUND BONDURANT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED IN THE ABSAROKAS WITH 3 TO 6 INCHES EXPECTED AROUND BONDURANT AND 1 TO 3 INCHES EXPECTED FROM PINEDALE SOUTH. * WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE NORTHWEST REDUCING VISIBILITY BELOW ONE MILE IN BLOWING SNOW ACROSS THE ADVISED AREA. WINDS WILL BE STRONGEST IN THE ABSAROKAS WITH 30 TO 40 MPH SUSTAINED WINDS AND GUSTS OVER 60 MPH COMMON. WINDS WILL BE NORTHWESTERLY FROM 15 TO 25 MPH WITH GUSTS OVER 35 MPH AT TIMES IN THE UPPER GREEN RIVER BASIN FOOTHILLS. * IMPACTS...VISIBILITY WILL BE REDUCED IN BLOWING AND FALLING SNOW CAUSING DIFFICULT TRAVEL OVER AREA PASSES. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ009-311015- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS SOUTHEAST- 556 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY THURSDAY MORNING. SNOW WILL TAPER OFF THROUGH THE MORNING ON THURSDAY. * SNOWFALL AMOUNTS SO FAR...2 TO 4 INCHES HAVE BEEN REPORTED THROUGH 3 PM TODAY. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES IS EXPECTED WITH TOTALS BETWEEN 5 AND 10 INCHES. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL OVER POWDER RIVER PASS. 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. && $$ WYZ010-311015- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 556 PM MST WED JAN 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST THURSDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THURSDAY MORNING...WITH THE HEAVIEST SNOWFALL THROUGH 3 AM THURSDAY. LIGHTER SNOW WILL STILL CONTINUE THROUGH THURSDAY MORNING. * SNOWFALL AMOUNTS SO FAR...1 TO 2 INCHES. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES IS EXPECTED WITH TOTALS BETWEEN 3 AND 6 INCHES...WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH TONIGHT...BEFORE DECREASING TOWARDS SUNRISE. NEAR WHITEOUT CONDITIONS COULD OCCUR AT TIMES IN HEAVY SNOW COMBINED WITH THE WINDY NORTHWEST WIND. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON/21
027 WWUS45 KRIW 310902 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 202 AM MST THU JAN 31 2013 ...PERIODS OF MODERATE SNOW AND STRONG WIND POSSIBLE IN AND AROUND THE BIGHORNS THROUGH NOON... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST THIS MORNING WITH SNOW BECOMING VERY LIGHT IN THE WEST...ALL WARNINGS AND ADVISORIES IN THE WEST HAVE BEEN ENDED EARLY AS A RESULT. PERIODS OF MODERATE SNOW WILL CONTINUE ACROSS THE NORTH WITH PERIODS OF STRONG WIND NEAR BUFFALO AND ACROSS THE HIGHER ELEVATIONS OF THE BIGHORNS CAUSING AREAS OF REDUCED VISIBILITY IN BLOWING SNOW. THE HEAVIEST SNOW WILL BE ON THE NORTHWEST FACING SLOPES OF THE NORTHERN BIGHORNS WHERE 2 TO 3 FEET IS EXPECTED. WYZ023-311015- /O.CAN.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 202 AM MST THU JAN 31 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. THE HEAVIER SNOW SHOWERS HAVE ENDED...LIGHT SNOW WILL CONTINUE THROUGH THE MORNING HOURS WITH LITTLE TO NO ADDITIONAL ACCUMULATION EXPECTED. $$ WYZ001-002-012-013-024-025-311015- /O.CAN.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS- TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE- SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL... JACKSON...PINEDALE 202 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. THE HEAVIER SNOW SHOWERS HAVE ENDED...LIGHT SNOW WILL CONTINUE THROUGH THE MORNING HOURS WITH LITTLE TO NO ADDITIONAL ACCUMULATION EXPECTED. $$ WYZ008-311900- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 202 AM MST THU JAN 31 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE MORNING...HEAVY AT TIMES...WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR THROUGH NOON. * SNOW ACCUMULATIONS...2 TO 3 FEET NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE POSSIBLE THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ004-311900- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 202 AM MST THU JAN 31 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...PERIODS OF MODERATE SNOW EAST OF A LINE FROM POWELL TO GREYBULL WILL CONTINUE THROUGH THE MORNING... TAPERING OFF BY NOON. * SNOWFALL AMOUNTS SO FAR...4 TO 6 INCHES FROM FRANNIE TO GREYBULL INCLUDING LOVELL...WITH ONLY AROUND ONE INCH NEAR POWELL * TOTAL SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS EXPECTED WITH TOTAL SNOWFALL RANGING GENERALLY BETWEEN 6 AND 10 INCHES...ALONG AND EAST OF A LINE FROM LOVELL TO GREYBULL. LIGHTER AMOUNTS ARE EXPECTED NEAR POWELL WHERE TOTAL SNOWFALL BETWEEN 2 AND 4 INCHES ARE EXPECTED. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL... ESPECIALLY IN EASTERN AND NORTHERN PORTIONS OF BIGHORN COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ009-311900- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS SOUTHEAST- 202 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...PERIODS OF MODERATE SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS...SNOW WILL TAPER OFF BY NOON. * SNOWFALL AMOUNTS SO FAR...2 TO 4 INCHES HAVE BEEN REPORTED THROUGH 6 PM WEDNESDAY. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES IS EXPECTED WITH TOTALS BETWEEN 5 AND 10 INCHES. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL OVER POWDER RIVER PASS. 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. && $$ WYZ010-311900- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 202 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE MORNING...WITH THE HEAVIEST SNOWFALL OCCURRING BEFORE SUNRISE. * SNOWFALL AMOUNTS SO FAR...1 TO 3 INCHES HAVE BEEN REPORTED AS OF WEDNESDAY EVENING. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES IS EXPECTED WITH TOTALS BETWEEN 3 AND 6 INCHES...WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH ...BEFORE DECREASING TOWARDS SUNRISE. NEAR WHITEOUT CONDITIONS COULD OCCUR AT TIMES IN HEAVY SNOW COMBINED WITH THE WINDY NORTHWEST WIND. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
624 WWUS45 KRIW 311102 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 402 AM MST THU JAN 31 2013 ...PERIODS OF MODERATE SNOW AND STRONG WIND POSSIBLE IN AND AROUND THE BIGHORNS THROUGH NOON... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST THIS MORNING WITH SNOW BECOMING VERY LIGHT IN THE WEST...ALL WARNINGS AND ADVISORIES IN THE WEST HAVE BEEN ENDED EARLY AS A RESULT. PERIODS OF MODERATE SNOW WILL CONTINUE ACROSS THE NORTH WITH PERIODS OF STRONG WIND NEAR BUFFALO AND ACROSS THE HIGHER ELEVATIONS OF THE BIGHORNS CAUSING AREAS OF REDUCED VISIBILITY IN BLOWING SNOW. THE HEAVIEST SNOW WILL BE ON THE NORTHWEST FACING SLOPES OF THE NORTHERN BIGHORNS WHERE 2 TO 3 FEET IS EXPECTED. WYZ004-311215- /O.CAN.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ NORTH BIG HORN BASIN- INCLUDING THE CITIES OF...POWELL...LOVELL...GREYBULL...BASIN 402 AM MST THU JAN 31 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. FLURRIES OR LIGHT SNOW WILL OCCUR FROM LOVELL TO GREYBULL AT TIMES THIS MORNING WITH LESS THAN ONE INCH OF ADDITIONAL ACCUMULATION. $$ WYZ008-311900- /O.CON.KRIW.WS.W.0002.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS WEST- 402 AM MST THU JAN 31 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE MORNING... HEAVY AT TIMES...WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR THROUGH NOON. * SNOW ACCUMULATIONS...2 TO 3 FEET NORTH OF SHELL CANYON...WITH 10 TO 12 INCHES POSSIBLE NORTH OF POWDER RIVER PASS AND LESS THAN 6 INCHES EXPECTED TO ACCUMULATE SOUTH OF POWDER RIVER PASS. * WIND AND VISIBILITY...NORTHWEST WINDS OF 30 TO 40 MPH WITH FREQUENT GUSTS OVER 60 MPH ARE POSSIBLE THROUGH NOON. VISIBILITY WILL FREQUENTLY BE REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH TONIGHT. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ009-311900- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ BIGHORN MOUNTAINS SOUTHEAST- 402 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...PERIODS OF MODERATE SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS...SNOW WILL TAPER OFF BY NOON. * SNOWFALL AMOUNTS SO FAR...2 TO 4 INCHES HAVE BEEN REPORTED THROUGH 6 PM WEDNESDAY. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES IS EXPECTED WITH TOTALS BETWEEN 5 AND 10 INCHES. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING LOCALLY DRIFTING SNOW. * IMPACTS...PERIODS OF HEAVY SNOW MAY CAUSE DIFFICULT TRAVEL OVER POWDER RIVER PASS. 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. && $$ WYZ010-311900- /O.CON.KRIW.WW.Y.0005.000000T0000Z-130131T1900Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 402 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE MORNING... WITH THE HEAVIEST SNOWFALL OCCURRING BEFORE SUNRISE. * SNOWFALL AMOUNTS SO FAR...1 TO 3 INCHES HAVE BEEN REPORTED AS OF WEDNESDAY EVENING. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES IS EXPECTED WITH TOTALS BETWEEN 3 AND 6 INCHES...WITH LOCALLY HIGHER AMOUNTS. * WIND AND VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH BEFORE ...DECREASING TOWARDS SUNRISE. NEAR WHITEOUT CONDITIONS COULD OCCUR AT TIMES IN HEAVY SNOW COMBINED WITH THE WINDY NORTHWEST WIND. * IMPACTS...TRAVEL WILL BE HAMPERED BY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
051 WWUS45 KRIW 311828 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1128 AM MST THU JAN 31 2013 ...PERIODS OF MODERATE SNOW AND STRONG WIND POSSIBLE IN AND AROUND THE BIGHORNS THROUGH 3 PM... .A STRONG NORTHWEST FLOW WITH EMBEDDED WEATHER DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST INTO THE AFTERNOON PRODUCING CONTINUED PERIODS OF SNOW ACROSS THE BIGHORN MOUNTAINS AND NORTHERN JOHNSON COUNTY. WYZ008-312200- /O.EXT.KRIW.WS.W.0002.000000T0000Z-130131T2200Z/ BIGHORN MOUNTAINS WEST- 1128 AM MST THU JAN 31 2013 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH 3 PM BEFORE DIMINISHING TO FLURRIES. * SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL 2 TO 4 INCHES TODAY WITH LOCALLY HIGHER AMOUNTS ON FAR NORTHERN PART OF THE RANGE. * WIND AND VISIBILITY...NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS AROUND 35 MPH PRODUCING AREAS OF BLOWING AND DRIFTING SNOW AND OCCASIONAL VISIBILITIES UNDER ONE HALF MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITY WILL BE HAZARDOUS DUE TO PERIODS OF HEAVY SNOW AND BLOWING SNOW. TRAVEL WILL BE DIFFICULT IF NOT IMPOSSIBLE OVER GRANITE PASS AND TO A LESSER DEGREE OVER POWDER RIVER PASS THROUGH THIS AFTERNOON. OUTDOOR RECREATIONISTS SHOULD PREPARE FOR LOW WIND CHILLS AND DIFFICULT TRAVELING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ009-312200- /O.EXT.KRIW.WW.Y.0005.000000T0000Z-130131T2200Z/ BIGHORN MOUNTAINS SOUTHEAST- 1128 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH 3 PM BEFORE DIMINISHING TO FLURRIES. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES IS EXPECTED. * WIND AND VISIBILITY...WINDS WILL BE GUSTY AT TIMES CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE HALF MILE. * IMPACTS...PERIODS OF SNOW MAY CAUSE DIFFICULT TRAVEL OVER POWDER RIVER PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ010-312200- /O.EXT.KRIW.WW.Y.0005.000000T0000Z-130131T2200Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 1128 AM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH 3 PM BEFORE DIMINISHING TO FLURRIES AND GRADUALLY ENDING. * SNOWFALL AMOUNTS SO FAR...2 TO 4 INCHES HAVE BEEN REPORTED SO FAR. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES. * VISIBILITY...UNDER ONE MILE AT TIMES. * IMPACTS...TRAVEL WILL BE HAMPERED BY VERY SLICK ROADS...AREAS OF BLOWING SNOW AND SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON
503 WWUS45 KRIW 312153 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 253 PM MST THU JAN 31 2013 ...ANOTHER STORM SYSTEM WILL BRING WIDESPREAD SNOW TO THE WEST TONIGHT AND FRIDAY MORNING... .A NEW STORM SYSTEM MOVING SOUTHEAST TOWARDS WESTERN WYOMING WILL BRING WIDESPREAD SNOW QUICKLY BACK INTO THE AREA THIS EVENING AND THEN INCREASE OVERNIGHT...CONTINUING INTO FRIDAY MORNING BEFORE DECREASING TO FLURRIES FRIDAY AFTERNOON. WYZ008-312300- /O.EXP.KRIW.WS.W.0002.000000T0000Z-130131T2200Z/ BIGHORN MOUNTAINS WEST- 253 PM MST THU JAN 31 2013 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 3 PM MST THIS AFTERNOON. PERIODS OF LIGHT SNOW ARE STILL EXPECTED BUT FURTHER SIGNIFICANT ACCUMULATION IS NOT EXPECTED. HOWEVER...A NEW STORM SYSTEM WILL MOVE IN LATER TONIGHT AND FRIDAY BRINGING ANOTHER 3 TO 6 INCHES TO THE AREA WITH LOCALLY HIGHER AMOUNTS IN FAVORED NORTHWEST FLOW AREAS. OVER 3 FEET WAS REPORTED IN THE HIGHER ELEVATIONS OF THE NORTHWEST BIGHORNS BUT MOST AREAS GOT 7 TO 14 INCHES. $$ WYZ009-312300- /O.EXP.KRIW.WW.Y.0005.000000T0000Z-130131T2200Z/ BIGHORN MOUNTAINS SOUTHEAST- 253 PM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MST THIS AFTERNOON. SNOW HAS DECREASED OR ENDED AND LITTLE ADDITIONAL SNOWFALL IS EXPECTED THIS AFTERNOON. TOTAL SNOWFALL FROM THIS LATEST SYSTEM RANGED FROM 3 TO 9 INCHES. MORE SNOW WILL FALL ON FRIDAY WITH ANOTHER 2 TO 4 INCHES POSSIBLE. $$ WYZ010-312300- /O.EXP.KRIW.WW.Y.0005.000000T0000Z-130131T2200Z/ NORTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...BUFFALO 253 PM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MST THIS AFTERNOON. SNOW HAS DECREASED OR ENDED AND LITTLE ADDITIONAL SNOWFALL IS EXPECTED THIS AFTERNOON. TOTAL SNOWFALL FROM THIS LATEST SYSTEM RANGED FROM 3 TO 5 INCHES. $$ WYZ012-011200- /O.NEW.KRIW.WW.Y.0006.130201T0000Z-130201T1900Z/ TETON AND GROS VENTRE MOUNTAINS- 253 PM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MST FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL NOON MST FRIDAY. * SUMMARY AND TIMING...WIDESPREAD SNOW WILL RETURN TO THE AREA THIS EVENING AND INCREASE OVERNIGHT...CONTINUING INTO FRIDAY MORNING BEFORE DECREASING TO FLURRIES. WEST WINDS WILL BLOW 20 TO 30 MPH WITH GUSTS TO 40 MPH...SHIFTING TO THE NORTHWEST FRIDAY MORNING PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...5 TO 10 INCHES. * WIND AND VISIBILITY...WEST...BECOMING NORTHWEST ON FRIDAY AT SPEEDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW AND VISIBILITIES UNDER ONE QUARTER TO ONE HALF MILE AT TIMES. * IMPACTS...TRAVELLERS OVER TETON PASS AND INTO THE TETONS OR GROS VENTRE RANGES SHOULD BE PREPARED FOR ANOTHER ROUND OF SNOW AND WIND. ROADS WILL BE SLICK AND BACK COUNTRY TRAVEL MAY BE TREACHEROUS. 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. && $$ WYZ023-011200- /O.NEW.KRIW.WW.Y.0006.130201T0000Z-130201T1900Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 253 PM MST THU JAN 31 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MST FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW WHICH IS IN EFFECT UNTIL NOON MST FRIDAY. * SUMMARY AND TIMING...WIDESPREAD SNOW WILL RETURN THIS EVENING AND INCREASE LATER TONIGHT...CONTINUING INTO FRIDAY MORNING BEFORE DIMINISHING TO FLURRIES FRIDAY AFTERNOON. * SNOW ACCUMULATIONS...2 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTH END OF THE VALLEY. * VISIBILITY...MAY BE REDUCED TO ONE HALF MILE AT TIMES IN MODERATE SNOW. * IMPACTS...SLICK TRAVEL WILL CONTINUE AT TIMES ALONG WITH SHARPLY REDUCED VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ TEAM RIVERTON
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 Jan 29, 10:45 PM MST, 2 hours 57 minutes earlier.
Area forecast discussion, Jan 29, 10:45 PM MST, 2 hours 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 1045 PM MST TUE JAN 29 2013 .UPDATE... NEW AFD TO INCLUDE THE 06Z AVIATION DISCUSSION. && .PREV DISCUSSION... /ISSUED 208 PM MST TUE JAN 29 2013/ SHORT TERM...TONIGHT THROUGH FRIDAY SNOW SHOWERS ARE COVERING MUCH OF WESTERN AND NORTHCENTRAL WYOMING THIS AFTERNOON. STEADY SNOW AROUND THE TETONS WITH MORE OFF AND ON TO SPOTTY ELSEWHERE. WILL PROBABLY KEEP THE ADVISORY GOING FOR THE MOUNTAINS UNTIL 00Z BUT WILL WATCH THE LOWER ELEVATIONS CLOSELY AS CONDITIONS VARY FROM JUST MOSTLY CLOUDY TO OCCASIONAL LIGHT SNOW. UNSTABLE ATMOSPHERE WITH EMBEDDED SWD MOVING DISTURBANCES WILL BE REPLACED OVERNIGHT BY A WARM ADVECTION/ISENTROPIC UPGLIDE PATTERN. COLD FRONT PUSHING SOUTH INTO OUR NRN ZONES WILL CONTINUE PUSHING SOUTH INTO THE EVENING AND THEN GRADUALLY WASH OUT OVERNIGHT. STRONG MID LEVEL WINDS SHIFTING EWD COMBINED WITH MODEST PRESSURE GRADIENT WILL PROBABLY KICK UP SOME STRONG WINDS ALONG AND EAST OF THE CNTRL ZONE MOUNTAINS AND IN THE FAVORED NW FLOW AREAS LIKE DUBOIS TO CROWHEART TO THE OUTSKIRTS OF RIVERTON. WE MAY HAVE TO DEAL WITH THIS FOR SEVERAL DAYS. OUT WEST...A SIGNIFICANT SNOWSTORM IS EXPECTED WEDNESDAY AND WEDNESDAY NIGHT IN THIS ISENTROPIC UPGLIDE PATTERN. IT ALSO LOOKS LIKE THE BIGHORN MOUNTAINS AND NRN BIGHORN BASIN MAY SEE SIGNIFICANT SNOWFALL DURING THIS PERIOD AND POTENTIALLY IN NRN JOHNSON COUNTY LATER WEDNESDAY INTO THURSDAY MORNING. THE BIGHORN MTNS HAVE THE HIGHEST PROBABILITY BUT THE FAR NRN BIGHORN BASIN USUALLY DOES WELL IN THIS PATTERN ALSO. OUT WEST...WINTER WEATHER ADVISORIES WILL LIKELY BE NEEDED FOR WEDNESDAY AND WEDNESDAY NIGHT AND POTENTIALLY INTO THURSDAY MORNING. NEXT SHIFT CAN MAKE THIS FINAL CALL AS MOST OF IT WILL NOT START UNTIL ALMOST MORNING. THIS SIGNATURE CONTINUES OUT WEST THROUGH THE SHORT TERM WITH AT LEAST SOME LIGHT SNOW CONTINUING OFF AND ON IN THE FAR WEST BUT THE BEST SIGNATURE STILL APPEARS TO BE WEDNESDAY AND WEDNESDAY NIGHT WITH STRONGEST OROGRAPHIC FLOW AND OPTIMAL MID LEVEL TEMPERATURES. THE FAR NERN ZONES...PARTICULARLY JOHNSON COUNTY WILL BE AIDED BY THE NEXT SHORTWAVE WEDNESDAY NIGHT AND THURSDAY WHICH PUSHES ANOTHER COLD FRONT ACROSS THE AREA WITH POTENTIAL FOR OVERRUNNING OF THIS FRONT. IT LOOKS LIKE IT WILL GENERALLY BE PRETTY HARD FOR INVERSIONS TO DEVELOP TOO STRONGLY IN THE SHORT TERM WITH THE AMOUNT OF MID LEVEL FLOW AND SURFACE GRADIENT ACROSS THE AREA. DIDN'T GO AS WARM AS THE MAV GUIDANCE BUT DID TREND WARMER. AFTER FURTHER REVIEW...WILL JUST KEEP THE ADVISORY UNTIL 5 PM FOR THE TETON/GROS VENTRE ZONE. VERY LITTLE SNOW ELSEWHERE WITH AREAS OF SUN EVEN. LONG TERM...FRIDAY NIGHT THROUGH TUESDAY AN APPROACHING AREA OF HIGH PRESSURE WILL LEAVE NORTHWEST FLOW ACROSS THE FORECAST AREA FRIDAY NIGHT. MODELS DO INDICATE THE POTENTIAL FOR A BIT OF MOISTURE EMBEDDED IN THIS FLOW...BRING LIGHT SNOWFALL ACROSS THE WESTERN MOUNTAINS. ANY LINGERING SNOWFALL WILL TAPER OFF BY THE EARLY MORNING HOURS OF SATURDAY. THE AREA OF HIGH PRESSURE WILL LEAVE GENERALLY DRY CONDITIONS OVER THE FORECAST AREA THROUGH SUNDAY AFTERNOON. EXPECT WARMING TEMPERATURES WITH THIS SYSTEM...ESPECIALLY ACROSS EASTERN WYOMING. VERY WEAK MOISTURE IN THE NORTHWEST FLOW MAY GENERATE A FEW LIGHT SNOW SHOWERS OVER THE NORTHWEST MOUNTAINS. THIS OPPORTUNITY WILL CONTINUE THROUGH MONDAY AFTERNOON. MONDAY EVENING WILL SEE THE STRONGEST PART OF THE AREA OF HIGH PRESSURE...WITH THE AXIS OF THE RIDGE MOVING THROUGH THE AREA BY TUESDAY AFTERNOON. PASSAGE OF THIS AXIS WILL PROMOTE THE DEVELOPMENT OF SOUTHWEST TO ZONAL FLOW ACROSS THE FORECAST AREA BY TUESDAY EVENING. AVIATION.../06Z ISSUANCE/ WEST OF THE DIVIDE...PERIODS OF SNOW WILL DEVELOP ACROSS THE NORTHWEST AND FAR WEST BETWEEN 09Z AND 14Z WEDNESDAY...WITH NEARLY CONTINUOUS MVFR/IFR CONDITIONS EXPECTED FROM KAFO-KJAC DURING THE DAY WEDNESDAY. WESTERN AVIATION MOUNTAIN PASSES INCLUDING OVER THE WIND RIVER MOUNTAINS WILL GENERALLY HAVE LIFR CONDITIONS. MVFR OR NEAR MVFR CEILINGS ARE ALSO EXPECTED TO DEVELOP DURING WEDNESDAY MORNING ACROSS MUCH OF SOUTHWEST/SOUTHERN WYOMING...BUT SNOWFALL WILL BE MORE ISOLATED IN NATURE. ALSO...VERY WINDY WESTERLY WINDS WILL DEVELOP ACROSS SWEETWATER COUNTY...IMPACTING THE ROCK SPRINGS TERMINAL. EAST OF THE DIVIDE...MOIST NORTHWEST FLOW WILL RESULT IN SNOW BREAKING OUT ACROSS THE BIGHORN MOUNTAINS TOWARDS SUNRISE. SNOWFALL WILL ALSO AFFECT THE ADJACENT LOWER ELEVATIONS AT TIMES...ESPECIALLY ALONG AND EAST OF A LINE FROM KU68 TO KGEY...AND NORTHERN JOHNSON COUNTY. MVFR/IFR CONDITIONS ARE EXPECTED IN THOSE AREAS. OTHERWISE VFR CONDITIONS ARE GENERALLY EXPECTED. WINDY TO VERY WINDY WESTERLY WINDS ARE EXPECTED IN THE UPPER WIND RIVER BASIN...ABSAROKA MTS...NORTHERN JOHNSON COUNTY...SOUTH PASS TO CASPER. FIRE WEATHER... SNOW WILL PERSIST OUT WEST FOR MUCH OF THE NEXT SEVERAL DAYS. SIGNIFICANT SNOWFALL IS EXPECTED WEDNESDAY AND WEDNESDAY NIGHT. ACCUMULATING SNOW IS ALSO EXPECTED IN THE NORTHERN BIG HORN BASIN...BIGHORN MOUNTAINS AND NORTHERN JOHNSON COUNTY WEDNESDAY INTO EARLY THURSDAY. CONSIDERABLE WIND IS ALSO EXPECTED IN THE MOUNTAINS AND EAST SLOPE OF MOST MOUNTAIN RANGES AND DOWN INTO THE FOOTHILLS THE NEXT COUPLE DAYS. A COLD FRONT WILL PUSH SOUTH ACROSS AREAS EAST OF THE DIVIDE INTO THE EVENING BEFORE WEAKENING AND THEN ANOTHER FRONT WILL PUSH INTO OUR NORTHEASTERN ZONES WEDNESDAY NIGHT AND THURSDAY. && .RIW WATCHES/WARNINGS/ADVISORIES...NONE. && UPDATE...WM SHORT TERM...SKRBAC LONG TERM...BRANHAM AVIATION...WM FIRE WEATHER...SKRBAC
Hazardous weather outlook, Jan 29, 4:38 PM MST, 9 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 438 PM MST TUE JAN 29 2013 WYZ001>020-022>030-301200- 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- 438 PM MST TUE JAN 29 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TONIGHT MODERATE TO HEAVY SNOW ACROSS THE LANDER FOOTHILLS WILL TAPER OFF EARLY THIS EVENING. OTHERWISE...AREAS LIGHT SNOW WILL BE FOUND ACROSS WESTERN AND CENTRAL WYOMING...ESPECIALLY OVER THE WEST AND THE BIGHORN MOUNTAINS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH SATURDAY WEDNESDAY AND THURSDAY...SIGNIFICANT SNOWFALL IS EXPECTED IN THE FAR WEST WEDNESDAY AND WEDNESDAY NIGHT WITH 6 TO 12 INCHES IN THE MOUNTAINS AND 3 TO 6 INCHES IN THE VALLEYS WITH LOCALLY HIGHER AMOUNTS IN NORTHWEST FAVORED AREAS. SIGNIFICANT SNOWFALL IS ALSO EXPECTED IN THE BIGHORN MOUNTAIN WEDNESDAY INTO THURSDAY MORNING AND POSSIBLY IN THE NORTHERN BIG HORN BASIN AND NORTHERN JOHNSON COUNTY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS. THANK YOU. TEAM RIVERTON
In the hours before
Special weather statement, Jan 29, 8:17 PM MST, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 817 PM MST TUE JAN 29 2013 WYZ015-018-300430- LANDER FOOTHILLS-WIND RIVER MOUNTAINS EAST- 817 PM MST TUE JAN 29 2013 ALTHOUGH THE SNOWFALL CONTINUES TO TAPER OFF TO VERY LIGHT SNOWFALL...ROADS ACROSS THE LANDER FOOTHILLS AND SOUTH PASS WILL REMAIN SNOWPACKED AND HAZARDOUS TONIGHT. SNOWFALL TOTALS FROM THE LANDER AREA...AND THE EASTERN THIRD OF SOUTH PASS...GENERALLY RANGED FROM 3 TO 6 INCHES. 21
Special weather statement, Jan 29, 8:38 PM MST, 5 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 838 PM MST TUE JAN 29 2013 WYZ010-300545- NORTHEAST JOHNSON COUNTY- 838 PM MST TUE JAN 29 2013 SNOW SHOWERS WITH STRONG NORTHWEST WINDS WILL CREATE SLICK TRAVEL AND SHARPLY REDUCED VISIBILITY AT TIMES TONIGHT. THE COMBINATION OF THE WIND AND TEMPERATURES IN THE SINGLE DIGITS...WILL CREATE WIND CHILLS BETWEEN 15 AND 25 BELOW ZERO. BE PREPARED IF YOU PLAN TO TRAVEL... ESPECIALLY ON INTERSTATE 25 OR 90. 21
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 30, 1:42 AM MST | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 37 hr |
| Jan 30, 1:43 AM MST | High Wind Warning | RIW | Fremont | 34 hr |
Nearby
Winter Storm Warnings in Wyoming, 2013Every winter storm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.