Alert archive / Wyoming / Blizzard Warnings in 2017
Blizzard Warning 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Feb 23, 2017, 3:07 AM MST for Carbon County, Wyoming. It was in force for 17 hr. 29 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 23, 2017, 3:07 AM MST (10:07 UTC)
- Expired
- Feb 23, 2017, 8:18 PM MST
- In force
- 17 hr
- Issued by
- NWS Cheyenne, WY
County Carbon County, WY
The radar
The Cheyenne radar (KCYS), 187 km from the middle of the area, began a volume at 10:07 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 23, 6:00 AM MST | HEAVY SNOW 6 | N Sinclair, WY | |
| Feb 23, 7:00 AM MST | SNOW 3.8 | Sw Elk Mountain, WY | |
| Feb 23, 7:00 AM MST | SNOW 4 | Ese Riverside, WY | |
| Feb 23, 7:00 AM MST | HEAVY SNOW 8 | 2 Nne Encampment, WY | |
| Feb 23, 7:00 AM MST | HEAVY SNOW 8 | Rawlins, WY | |
| Feb 23, 1:45 PM MST | HEAVY SNOW 9 | Sinclair, WY | REPORT RECEIVED VIA FACEBOOK. |
| Feb 23, 3:00 PM MST | HEAVY SNOW 12 | Rawlins, WY | REPORT RECEIVED VIA FACEBOOK |
| Feb 23, 4:00 PM MST | HEAVY SNOW 0 | 11 Sse Encampment, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | HEAVY SNOW 8 | Rawlins, WY | ON CHEROKEE ROAD. 4 FOOT DRIFTS. |
| Feb 23, 4:00 PM MST | SNOW 8.4 | 35 S Rawlins, WY | SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 9 | 14 E Dixon, WY | BATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 9 | 17 Sw Encampment, WY | SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 9 | 19 Wsw Encampment, WY | DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 10.5 | 17 Ene Riverside, WY | SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 10.5 | 2 Sw Hog Park Reservoir, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | SNOW 10.5 | 5 Sw Encampment, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | HEAVY SNOW 15 | 10 Sw Encampment, WY | LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | HEAVY SNOW 15 | 10 Wsw Encampment, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 4:00 PM MST | HEAVY SNOW 18 | 21 Sse Elk Mountain, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 35 HOURS. |
| Feb 23, 5:00 PM MST | HEAVY SNOW 6 | Saratoga, WY | |
| Feb 23, 5:00 PM MST | SNOW 7 | Baggs, WY | 6 TO 8 INCHES IN BAGGS SINCE SNOW STARTED. |
| Feb 23, 5:00 PM MST | HEAVY SNOW 7 | Rawlins, WY | AT LAW ENFORCEMENT BUILING. |
| Feb 23, 5:00 PM MST | HEAVY SNOW 8 | Saratoga, WY | |
| Feb 23, 5:00 PM MST | HEAVY SNOW 12 | Hanna, WY | CARBON COUNTY DEPUTY THAT LIVES IN HANNA. |
| Feb 23, 5:05 PM MST | HEAVY SNOW 6 | 34 Ne Rawlins, WY | 2 FOOT DRIFTS. |
| Feb 23, 5:05 PM MST | HEAVY SNOW 12 | Muddy Gap, WY | HEAVY SNOW ON GOING. DRIFTS 4-5 FOOT DEEP. |
| Feb 23, 5:15 PM MST | HEAVY SNOW 8 | Medicine Bow, WY | VIRGINIA HOTEL. 6-8 INCHES OF SNOW WITH 3 FOOT DRIFTS. |
| Feb 23, 5:15 PM MST | HEAVY SNOW 14 | Arlington, WY | STRONG WINDS WITH WIDESPREAD DRIFTING. STILL SNOWING. |
| Feb 23, 5:23 PM MST | SNOW 5 | Shirley Basin, WY | 4-5 INCHES OF NEW SNOW. NORTHEAST WINDS EARLIER WERE GUSTING 45-50 MPH. |
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, 10.1 hours before the alert went out and 195 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
- 2498 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
546 WWUS45 KCYS 231007 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 307 AM MST Thu Feb 23 2017 ...MAJOR WINTER STORM TO CONTINUE THROUGH FRIDAY MORNING... ...BLIZZARD CONDITIONS EXPECTED IN WESTERN CARBON COUNTY THIS MORNING AND AFTERNOON... WYZ104-109-111-240000- /O.UPG.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ /O.NEW.KCYS.BZ.W.0001.170223T1007Z-170224T1800Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Southwest Carbon County- Including the cities of Seminoe Dam, Rawlins, and Baggs 307 AM MST Thu Feb 23 2017 ...BLIZZARD WARNING IN EFFECT UNTIL 11 AM MST FRIDAY... The National Weather Service in Cheyenne has issued a Blizzard Warning, which is in effect until 11 AM MST Friday. The Winter Storm Warning is no longer in effect. * TIMING...Snow, heavy at times, will continue through Friday morning. Strong winds will persist through at least early this afternoon before gradually decreasing. * TOTAL SNOW ACCUMULATIONS...10 to 15 inches over northern parts of Carbon county including Muddy Gap. Otherwise, generally 6 to 12 inches across western Carbon county. * WINDS/VISIBILITY...Northwest 25 to 35 MPH with gusts to 45 MPH through late afternoon, shifting to the northeast 15 to 25 MPH in the evening. Visibilities will be frequently reduced to one quarter of a mile or less today. * IMPACTS...The combination of heavy snow and strong winds will cause significant blowing and drifting snow with extremely low visibilities and near whiteout conditions. Travel across western Carbon county will be extremely dangerous or impossible today! Avoid travel! PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions...making travel extremely dangerous. Do not travel. If you must travel...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ WYZ112-114-240000- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 307 AM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow, heavy at times, will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...1 to 2 feet. Locally higher amounts are possible. * WINDS/VISIBILITY...Winds variable in direction 10 to 20 MPH with gusts up to 30 MPH. Visibilities will be reduced to under one half mile at times in falling snow. * IMPACTS...High impacts for travel and outdoor recreation. Expect extremely dangerous or impossible mountain travel with icy and snow packed roads and periods of low visibility. Those with outdoor interests in the Snowy and Sierra Madre mountain ranges should be prepared for severe winter conditions which will be dangerous and life threatening to anyone caught unprepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ WYZ103-105-106-110-113-115>117-240000- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ North Laramie Range-Shirley Basin- Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-Upper North Platte River Basin- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Including the cities of Garrett, Medicine Bow, Shirley Basin, Bordeaux, Arlington, Elk Mountain, Saratoga, Encampment, Bosler, Laramie, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 307 AM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow, heavy at times, will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...4 to 8 inches in the Laramie Valley and Upper North Platte Valley, otherwise 7 to 13 inches in lower elevations west of the Laramie Range. 10 to 15 inches over the southern and central Laramie Range. Up to 2 feet of snow is expected over the northern Laramie Range. * WINDS/VISIBILITY...East to northeast winds 15 to 25 MPH with occasional gusts to 35 MPH. Visibilities will be reduced to under one half mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel 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. && $$ NEZ002-003-019-020-095-096-WYZ101-102-107-108-118-119-240000- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Dawes-Box Butte-Scotts Bluff-Banner-North Sioux-South Sioux- Converse County Lower Elevations-Niobrara County- East Platte County-Goshen County-Central Laramie County- East Laramie County- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Harrisburg, Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs 307 AM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will increase in coverage and intensity this morning, then continue through Friday morning. The snow will be heavy at times today. * TOTAL SNOW ACCUMULATIONS...10 to 16 inches with locally higher amounts possible across much of east central Wyoming and the northern Nebraska Panhandle. 7 to 13 inches along a Cheyenne to Scottsbluff line. * WINDS/VISIBILITY...East to northeast winds 25 to 35 MPH with gusts to 45 MPH across east central Wyoming, including Douglas and Lusk. Otherwise, 10 to 20 MPH with higher gusts. Visibilities will be reduced to one quarter of a mile at times in falling and blowing snow with near blizzard conditions over Converse and Niobrara counties. * IMPACTS...The combination of heavy snow and gusty winds will cause considerable blowing and drifting snow with periods of very low visibilities. This will make travel extremely dangerous or impossible today, especially in northern areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ NEZ021-054-055-240000- /O.CON.KCYS.WS.W.0006.170223T1200Z-170224T1800Z/ Morrill-Kimball-Cheyenne- Including the cities of Angora, Bridgeport, Bayard, Redington, Kimball, Brownson, and Sidney 307 AM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will develop this morning and continue through Friday morning. The snow will be heavy at times. * TOTAL SNOW ACCUMULATIONS...5 to 10 inches, decreasing with southward extent. * WINDS/VISIBILITY...East to northeast winds 15 to 20 MPH with higher gusts. Visibilities will be reduced to under one half mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel 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. && $$ HAMMER
2 follow-up statements
317 WWUS45 KCYS 232209 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 309 PM MST Thu Feb 23 2017 ...MAJOR WINTER STORM TO CONTINUE THROUGH FRIDAY MORNING... ...BLIZZARD CONDITIONS EXPECTED IN WESTERN CARBON COUNTY THIS MORNING AND AFTERNOON... WYZ111-232315- /O.CAN.KCYS.BZ.W.0001.000000T0000Z-170224T1800Z/ Southwest Carbon County- Including the city of Baggs 309 PM MST Thu Feb 23 2017 ...BLIZZARD WARNING IS CANCELLED... The National Weather Service in Cheyenne has cancelled the Blizzard Warning. Went ahead and cancelled the Blizzard warning due to most of the snow had diminished across this area. The strongest wind speeds appear to be in northern Carbon county where blowing snow will cause higher impacts. However, light snow will persist through the evening. $$ WYZ104-109-240615- /O.CON.KCYS.BZ.W.0001.000000T0000Z-170224T1800Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Including the cities of Seminoe Dam and Rawlins 309 PM MST Thu Feb 23 2017 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow, heavy at times, will continue through Friday morning. Strong winds will persist through at least early this evening before gradually decreasing. * SNOW ACCUMULATIONS...Additional snow accumulation of 1 to 3 inches can be expected tonight. Total accumulations of 10 to 15 inches over northern parts of Carbon county including Muddy Gap. Otherwise, generally 6 to 12 inches across western Carbon county. * WINDS/VISIBILITY...east-northeast winds at 20 to 35 MPH with gusts to 40 MPH will continue through the evening, especially north of I-80. These wind speeds should begin to diminish overnight. Visibilities will be frequently reduced to one quarter of a mile or less mainly this evening especially north of I-80. * IMPACTS...The combination of heavy snow and strong winds will cause significant blowing and drifting snow with extremely low visibilities and near whiteout conditions. Travel across northern Carbon county will be extremely dangerous or impossible today! Avoid travel! PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions...making travel extremely dangerous. Do not travel. If you must travel...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ WYZ112-114-240615- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 309 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow, heavy at times, will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...1 to 2 feet. Locally higher amounts are possible. * WINDS/VISIBILITY...Winds variable in direction 10 to 20 MPH with gusts up to 30 MPH. Visibilities will be reduced to under one half mile at times in falling snow. * IMPACTS...High impacts for travel and outdoor recreation. Expect extremely dangerous or impossible mountain travel with icy and snow packed roads and periods of low visibility. Those with outdoor interests in the Snowy and Sierra Madre mountain ranges should be prepared for severe winter conditions which will be dangerous and life threatening to anyone caught unprepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ WYZ103-105-106-110-113-115>117-240615- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ North Laramie Range-Shirley Basin- Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-Upper North Platte River Basin- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Including the cities of Garrett, Medicine Bow, Shirley Basin, Bordeaux, Arlington, Elk Mountain, Saratoga, Encampment, Bosler, Laramie, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 309 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...2 to 4 inches in the Laramie Valley and Upper North Platte Valley, otherwise 7 to 13 inches in lower elevations west of the Laramie Range. 10 to 15 inches over the southern and central Laramie Range. Up to 2 feet of snow is expected over the northern Laramie Range. * WINDS/VISIBILITY...East to northeast winds 15 to 20 MPH with occasional gusts to 30 MPH. Visibilities will be reduced to under one half mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel 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. && $$ NEZ002-003-019-020-095-096-WYZ101-102-107-108-118-119-240615- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Dawes-Box Butte-Scotts Bluff-Banner-North Sioux-South Sioux- Converse County Lower Elevations-Niobrara County- East Platte County-Goshen County-Central Laramie County- East Laramie County- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Harrisburg, Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs 309 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will persist through Friday morning. The snow will be heavy at times this evening and diminish overnight. * TOTAL SNOW ACCUMULATIONS...12 to 20 inches with locally higher amounts possible across much of east central Wyoming and the northern Nebraska Panhandle. 10 to 15 inches mainly between Cheyenne and Scottsbluff. * WINDS/VISIBILITY...East to northeast winds 15 to 25 MPH with gusts to 35 MPH across east central Wyoming, including Douglas and Lusk. Otherwise, 10 to 20 MPH with higher gusts. Visibilities will be reduced to one quarter of a mile at times in falling and blowing snow with near blizzard conditions in parts of the Panhandle. * IMPACTS...The combination of heavy snow and gusty winds will cause considerable blowing and drifting snow with periods of very low visibilities. This will make travel extremely dangerous or impossible today, especially in northern areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ NEZ021-054-055-240615- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Morrill-Kimball-Cheyenne- Including the cities of Angora, Bridgeport, Bayard, Redington, Kimball, Brownson, and Sidney 309 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will persist through Friday morning. The snow will be heavy at times. * TOTAL SNOW ACCUMULATIONS...5 to 10 inches, with the least amount along and south of I-80. * WINDS/VISIBILITY...East to northeast winds 15 to 20 MPH with higher gusts. Visibilities will be reduced to under one half mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel 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. && $$
737 WWUS45 KCYS 240318 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 818 PM MST Thu Feb 23 2017 ...MAJOR WINTER STORM TO CONTINUE THROUGH FRIDAY MORNING... WYZ104-109-241400- /O.CAN.KCYS.BZ.W.0001.000000T0000Z-170224T1800Z/ /O.EXA.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Including the cities of Seminoe Dam and Rawlins 818 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST FRIDAY... ...BLIZZARD WARNING IS CANCELLED... The National Weather Service in Cheyenne has issued a Winter Storm Warning for Snow and Blowing Snow, which is in effect until 11 AM MST Friday. The Blizzard Warning has been cancelled. * TIMING...Snow will continue through Friday morning. Gusty winds will persist through early Friday morning before gradually decreasing. * SNOW ACCUMULATIONS...Additional snow accumulation of 1 to 3 inches can be expected tonight. Total accumulations of 10 to 15 inches over northern parts of Carbon county including Muddy Gap. Otherwise, generally 6 to 12 inches across western Carbon county. * WINDS/VISIBILITY...East-northeast winds at 15 to 20 MPH with gusts to 30 MPH will continue through the evening, especially north of I-80. These wind speeds should begin to diminish overnight. Visibilities will be frequently reduced to one mile or less mainly this evening especially north of I-80. * IMPACTS...The combination of heavy snow and strong winds will cause blowing and drifting snow with low visibilities. Travel across northern Carbon county will be extremely dangerous or impossible today! Avoid travel! PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ NEZ054-055-241400- /O.CAN.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ /O.NEW.KCYS.WW.Y.0011.170224T0318Z-170224T1800Z/ Kimball-Cheyenne- Including the cities of Kimball, Brownson, and Sidney 818 PM MST Thu Feb 23 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST FRIDAY... ...WINTER STORM WARNING IS CANCELLED... The National Weather Service in Cheyenne has issued a Winter Weather Advisory for Snow, which is in effect until 11 AM MST Friday. The Winter Storm Warning has been cancelled. * TIMING...Snow will persist through Friday morning. * TOTAL SNOW ACCUMULATIONS...2 to 4 inches, with the least amount along and south of I-80. * WINDS/VISIBILITY...North 10 to 15 MPH with higher gusts. Visibilities will be reduced to under 2 miles at times in falling snow. * IMPACTS...Mainly to transportation. Roads may be very slick and low visibilities will lead to hazardous travel conditions. Very icy roads are likely across the area tonight due to wet, slushy snow that froze after sunset. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. Be prepared for snow covered roads and limited visibilities...and use caution while driving. && $$ WYZ112-114-241400- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 818 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow, heavy at times, will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...1 to 2 feet. Locally higher amounts are possible. * WINDS/VISIBILITY...Winds variable in direction 10 to 20 MPH with gusts up to 30 MPH. Visibilities will be reduced to under one half mile at times in falling snow. * IMPACTS...High impacts for travel and outdoor recreation. Expect extremely dangerous or impossible mountain travel with icy and snow packed roads and periods of low visibility. Those with outdoor interests in the Snowy and Sierra Madre mountain ranges should be prepared for severe winter conditions which will be dangerous and life threatening to anyone caught unprepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ WYZ103-105-106-110-113-115>117-241400- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ North Laramie Range-Shirley Basin- Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-Upper North Platte River Basin- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Including the cities of Garrett, Medicine Bow, Shirley Basin, Bordeaux, Arlington, Elk Mountain, Saratoga, Encampment, Bosler, Laramie, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 818 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will continue through Friday morning. * TOTAL SNOW ACCUMULATIONS...An additional 1 to 3 inches of snow is possible tonight. Storm total accumulations are expected to be 2 to 8 inches in the Laramie Valley (lowest near Laramie) and Upper North Platte Valley, otherwise 7 to 13 inches in lower elevations west of the Laramie Range. 10 to 15 inches over the southern and central Laramie Range. Up to 2 feet of snow is expected over the northern Laramie Range. * WINDS/VISIBILITY...East to northeast winds 10 to 15 MPH with occasional gusts to 25 MPH. Visibilities will be reduced to under one mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel conditions. Very icy roads are likely across the area tonight due to wet, slushy snow that froze after sunset. 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. && $$ NEZ002-003-019-020-095-096-WYZ101-102-107-108-118-119-241400- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Dawes-Box Butte-Scotts Bluff-Banner-North Sioux-South Sioux- Converse County Lower Elevations-Niobrara County- East Platte County-Goshen County-Central Laramie County- East Laramie County- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Harrisburg, Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs 818 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will persist through Friday morning. The snow will be heavy at times this evening and diminish overnight. * TOTAL SNOW ACCUMULATIONS...An additional 1-2 inches of snow is possible tonight. Storm Total Accumulations are expected to be 12 to 24 inches with locally higher amounts possible from Torrington to Alliance. 6 to 15 inches mainly between Cheyenne and Scottsbluff. * WINDS/VISIBILITY...North to northeast winds 10 to 20 MPH with higher gusts. Visibilities will be reduced to one mile at times in falling and blowing snow. * IMPACTS...The combination of heavy snow and gusty winds will cause considerable blowing and drifting snow with periods of very low visibilities. This will make travel extremely dangerous or impossible today, especially in northern areas. Very icy roads are likely across the entire area tonight due to wet, slushy snow that froze after sunset. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. && $$ NEZ021-241400- /O.CON.KCYS.WS.W.0006.000000T0000Z-170224T1800Z/ Morrill- Including the cities of Angora, Bridgeport, Bayard, and Redington 818 PM MST Thu Feb 23 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * TIMING...Snow will persist through Friday morning. The snow will be heavy at times. * TOTAL SNOW ACCUMULATIONS...4 to 12 inches, with the highest amounts in northern portions of the county. * WINDS/VISIBILITY...North to northeast winds 10 to 15 MPH with higher gusts. Visibilities will be reduced to one mile at times in falling and blowing snow. * IMPACTS...Mainly to transportation. Icy and snow packed roads and low visibilities will lead to extremely dangerous or impossible travel conditions. Very icy roads are likely across the area tonight due to wet, slushy snow that froze after sunset. 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. && $$
Nearby
Blizzard Warnings in Wyoming, 2017Every blizzard warning in 2017
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.