Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 6, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Feb 15, 2021, 10:48 AM MST for Albany County, Carbon County, Wyoming. It took effect at Feb 15, 2021, 5:00 PM MST. It was in force for 36 hr. 15 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 15, 2021, 10:48 AM MST (17:48 UTC)
- In effect from
- Feb 15, 2021, 5:00 PM MST
- Expired
- Feb 17, 2021, 4:51 AM MST
- In force
- 36 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 17:51 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 16, 7:00 AM MST | SNOW 0.7 | 1 Nw Centennial, WY | COCORAHS STATION WY-AB-108 CENTENNIAL 1.1 NNE. |
| Feb 16, 7:00 AM MST | SNOW 2.9 | Elk Mountain, WY | COCORAHS STATION WY-CR-18 ELK MOUNTAIN 0.3 SW. |
| Feb 16, 7:00 AM MST | SNOW 5.4 | Nw Ryan Park Campground, WY | SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 6 | 2 Nw Jack Creek Campgro, WY | DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 8 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 9 | 1 Nnw Battle Creek Camp, WY | SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 10 | 2 Ne Rob Roy Reservoir, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 10 | 2 Wsw Bottle Creek Camp, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | SNOW 10 | W Deep Creek Campground, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | HEAVY SNOW 12 | 2 E Battle Lake, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | HEAVY SNOW 12 | 3 Wsw Hog Park Reservoi, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | HEAVY SNOW 12 | 4 Nw Hog Park Reservoir, WY | LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. |
| Feb 16, 7:00 AM MST | HEAVY SNOW 18 | 3 Wnw Sugar Loaf Campgr, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. HIT ESTIMATED 12 INCHES AT 16/0000 MST. |
| Feb 16, 7:00 AM MST | HEAVY SNOW 20 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS. HIT ESTIMATED 12 INCHES AT 16/0000 MST. |
| Feb 16, 8:00 AM MST | SNOW 0.5 | 1 Nnw Rawlins, WY | CO-OP OBSERVER STATION RLSW4 RAWLINS 1 N. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 5.8 hours before the alert went out and 230 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
- 1107 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
801 WWUS45 KCYS 151748 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1048 AM MST Mon Feb 15 2021 ...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THIS MORNING... ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE AND SNOWY RANGES THIS AFTERNOON THROUGH TUESDAY NIGHT... NEZ021-055-160200- /O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/ /O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/ Morrill-Cheyenne- Including the cities of Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney 1048 AM MST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM MST TUESDAY... ...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Morrill and Cheyenne Counties including Bayard, Bridgeport and Sidney. * WHEN...For the Wind Chill Warning, until 11 AM MST this morning. For the Wind Chill Advisory, from 5 PM this afternoon to 8 AM MST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ NEZ002-003-160200- /O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/ /O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/ Dawes-Box Butte- Including the cities of Chadron, Chadron St Park, and Alliance 1048 AM MST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM MST TUESDAY... ...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Box Butte and Dawes Counties including Alliance and Chadron. * WHEN...For the Wind Chill Warning, until 11 AM MST this morning. For the Wind Chill Advisory, from 5 PM this afternoon to 8 AM MST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ WYZ101-103-106-116-151900- /O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/ Converse County Lower Elevations-North Laramie Range- Central Laramie Range and Southwest Platte County- South Laramie Range- Including the cities of Bill, Douglas, Deer Creek, Glenrock, Garrett, Bordeaux, Buford, Pumpkin Vine, and Vedauwoo 1048 AM MST Mon Feb 15 2021 ...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Temperatures increasing today will bring wind chills to -10 to 10 degrees above zero. Severe wind chill criteria is no longer expected. $$ NEZ095-096-WYZ102-115-117-151900- /O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/ North Sioux-South Sioux-Niobrara County-Laramie Valley- South Laramie Range Foothills- Including the cities of Harrison, Agate, Lusk, Redbird, Bosler, Laramie, Whitaker, Federal, and Horse Creek 1048 AM MST Mon Feb 15 2021 ...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Temperatures increasing today will bring wind chills to -10 to 10 degrees above zero. Severe wind chill criteria is no longer expected. $$ NEZ019-020-054-WYZ107-108-118-119-151900- /O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/ Scotts Bluff County-Banner County-Kimball County- East Platte County-Goshen County-Central Laramie County- East Laramie County- Including the cities of Scottsbluff, Gering, Harrisburg, Kimball, Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs 1048 AM MST Mon Feb 15 2021 ...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Temperatures increasing today will bring wind chills to -10 to 10 degrees above zero. Severe wind chill criteria is no longer expected. $$ WYZ112-114-160200- /O.EXP.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.UPG.KCYS.WW.Y.0014.210215T1800Z-210217T1200Z/ /O.NEW.KCYS.WS.W.0006.210216T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 1048 AM MST Mon Feb 15 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 15 inches in areas above 9000 feet and 8 to 12 inches below 9000 feet. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...From 5 PM this afternoon to 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ104-105-109>111-113-151900- /O.EXP.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Upper North Platte River Basin- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment 1048 AM MST Mon Feb 15 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... Temperatures increasing today will bring wind chills to -10 to 10 degrees above zero. Severe wind chill criteria is no longer expected. $$
7 follow-up statements
859 WWUS45 KCYS 151802 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1102 AM MST Mon Feb 15 2021 ...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THIS MORNING... ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE AND SNOWY RANGES THIS AFTERNOON THROUGH TUESDAY NIGHT... WYZ112-114-160215- /O.CON.KCYS.WS.W.0006.210216T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 1102 AM MST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 15 inches in areas above 9000 feet and 8 to 12 inches below 9000 feet. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...From 5 PM this afternoon to 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NEZ002-003-021-055-160215- /O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/ Dawes-Box Butte-Morrill-Cheyenne- Including the cities of Chadron, Chadron St Park, Alliance, Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney 1102 AM MST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM MST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Morrill and Cheyenne Counties including Bayard, Bridgeport and Sidney. * WHEN...5 PM this afternoon to 8 AM MST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
979 WWUS45 KCYS 160449 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 949 PM MST Mon Feb 15 2021 ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY... WYZ112-114-161500- /O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 949 PM MST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 15 inches in areas above 9000 feet and 8 to 12 inches below 9000 feet. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ110-161500- /O.NEW.KCYS.WW.Y.0015.210216T0449Z-210216T1600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 949 PM MST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST TUESDAY... * WHAT...Snow and blowing snow. Additional snow accumulations of 1 to 2 inches. Winds gusting as high as 45 mph. * WHERE...Northern Snowy Range Foothills from Elk Mountain towards Arlington. * WHEN...Until 9 AM MST Tuesday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility below one half mile at times. The hazardous conditions will likely impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NEZ002-003-021-055-161500- /O.CON.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/ Dawes-Box Butte-Morrill-Cheyenne- Including the cities of Chadron, Chadron St Park, Alliance, Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney 949 PM MST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Morrill and Cheyenne Counties including Bayard, Bridgeport and Sidney. * WHEN...5 PM this afternoon to 8 AM MST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
325 WWUS45 KCYS 160958 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 258 AM MST Tue Feb 16 2021 ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY... WYZ112-114-161800- /O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 258 AM MST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Additional snow accumulations of 4 to 7 inches in areas above 9000 feet and 2 to 5 inches below 9000 feet. Winds gusting as high as 40 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. * ADDITIONAL DETAILS...Estimated snowfall amounts of 8 to 12 inches since midday Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ110-161600- /O.CON.KCYS.WW.Y.0015.000000T0000Z-210216T1600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 258 AM MST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Snow and blowing snow. Additional snow accumulations around 1 inch. Winds gusting as high as 45 mph. * WHERE...Northern Snowy Range Foothills from Elk Mountain towards Arlington. * WHEN...Until 9 AM MST Tuesday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility below one half mile at times. The hazardous conditions will likely impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NEZ002-003-021-055-161500- /O.CON.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/ Dawes County-Box Butte County-Morrill County-Cheyenne County- Including the cities of Chadron, Chadron St Park, Alliance, Angora, Bridgeport, Bayard, Redington, Sidney, and Brownson 258 AM MST Tue Feb 16 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. * WHERE...Dawes, Box Butte, Morrill and Cheyenne Counties including Chadron, Alliance, Bridgeport and Sidney. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Brothers
833 WWUS45 KCYS 161445 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 745 AM MST Tue Feb 16 2021 ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY... NEZ002-003-021-055-161545- /O.EXP.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/ Dawes-Box Butte-Morrill-Cheyenne- Including the cities of Chadron, Chadron St Park, Alliance, Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney 745 AM MST Tue Feb 16 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... Temperatures are warming and are expected to stay above advisory criteria on windchills the rest of the day. Therefore...the Windchill Advisory will be allowed to expire on time at 8 AM. $$ WYZ112-114-162245- /O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 745 AM MST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Additional snow accumulations of 4 to 7 inches in areas above 9000 feet and 2 to 5 inches below 9000 feet. Winds gusting as high as 40 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ110-161600- /O.CON.KCYS.WW.Y.0015.000000T0000Z-210216T1600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 745 AM MST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Snow and blowing snow. Additional snow accumulations around 1 inch. Winds gusting as high as 45 mph. * WHERE...Northern Snowy Range Foothills from Elk Mountain towards Arlington. * WHEN...Until 9 AM MST Tuesday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility below one half mile at times. The hazardous conditions will likely impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling, especially in open areas. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
401 WWUS45 KCYS 161553 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 853 AM MST Tue Feb 16 2021 ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY... WYZ110-161700- /O.EXP.KCYS.WW.Y.0015.000000T0000Z-210216T1600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 853 AM MST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MST THIS MORNING... Snow has ended near Arlington this morning. Therefore...the Winter Weather Advisory will be allowed to expire on time at 9 AM. $$ WYZ112-114-170000- /O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 853 AM MST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Additional snow accumulations of 4 to 7 inches in areas above 9000 feet and 2 to 5 inches below 9000 feet. Winds gusting as high as 40 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
200 WWUS45 KCYS 162114 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 214 PM MST Tue Feb 16 2021 ...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS THROUGH EARLY WEDNESDAY MORNING... WYZ112-114-171200- /O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 214 PM MST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... * WHAT...Heavy snow expected. Additional snow accumulations of 4 to 7 inches in areas above 9000 feet and 2 to 5 inches below 9000 feet. Winds gusting as high as 40 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges, including the cities of Centennial and Albany. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Hikers, snowmobilers, and outdoor recreationists will face an increased threat of becoming lost or disoriented. Areas of blowing snow could significantly reduce visibility to near zero at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
076 WWUS45 KCYS 171151 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 451 AM MST Wed Feb 17 2021 WYZ112-114-171300- /O.CAN.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 451 AM MST Wed Feb 17 2021 ...WINTER STORM WARNING IS CANCELLED... Heaviest snow showers have come to end across the Sierra Madres and Snowy Mountain Ranges this morning; therefore, the Warning has been cancelled. Light snow showers continue to today with maybe an additional inch possible before midnight. Next chance for heavier snowfall totals comes Friday through the weekend. $$
Nearby
Winter Storm Warnings in Wyoming, 2021Every winter storm warning in 2021
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.