Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 20, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Dec 25, 2021, 12:50 PM MST for Albany County, Carbon County, Wyoming. It took effect at Dec 25, 2021, 11:00 PM MST. It was in force for 57 hr. 40 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 25, 2021, 12:50 PM MST (19:50 UTC)
- In effect from
- Dec 25, 2021, 11:00 PM MST
- Expired
- Dec 28, 2021, 8:00 AM MST
- In force
- 57 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 19:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 26, 8:00 AM MST | SNOW 4.5 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 4.5 | 4 Nw Hog Park Reservoir, WY | LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 6 | 1 Nw Whiskey Park, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 6 | W Deep Creek Campground, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 7.5 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 8 | 2 Ne Rob Roy Reservoir, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 8 | 3 Wnw Sugar Loaf Campgr, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 8 | Ene Nash Fork Campgroun, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 8:00 AM MST | SNOW 10 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 9 HOURS. |
| Dec 26, 12:02 PM MST | SNOW 0 | 9 W Rawlins, WY | SNOW SQUALL WITH HADSL1 UPR SITE GUSTS 64 MPH. |
| Dec 26, 12:21 PM MST | SNOW 0 | Arlington, WY | INTERSTATE 80 CLOSED FROM MILE MARKER 187 CRESTON JUNCTION TO MILE MARKER 290 AT LARAMIE DUE TO WINTER WEATHER CONDITIONS. SNOW SQUALL MOVING THROUGH THIS AREA CREATED VERY STRONG WINDS AND NEAR ZERO VISIBILTIES. |
| Dec 26, 1:12 PM MST | SNOW 0 | 1 Nnw Arlington, WY | ARLINGTON WYDOT SITE. SNOW SQUALL WITH VISIBILITY UNDER 1/4 MILE AND WIND GUSTS TO 58 MPH. |
| Dec 26, 1:30 PM MST | SNOW 0 | 3 S Tie City Campground, WY | SUMMIT WYDOT SITE. SNOW SQUALL WITH VISIBILITY UNDER 1/4 MILE WITH WIND GUSTS TO 30 MPH. |
| Dec 26, 1:30 PM MST | SNOW 0 | Laramie, WY | SNOW SQUALL. VISIBILITY 1/4 MILE OR LESS WITH HEAVY SNOW AND WINDS GUSTING TO 40 MPH. |
| Dec 26, 1:34 PM MST | SNOW 0 | Buford, WY | INTERSTATE 80 CLOSED FROM LARAMIE MILE MARKER 290 TO CHEYENNE MILE MARKER 348 DUE TO WINTER WEATHER CONDITIONS. SNOW SQUALL MOVING THROUGH THIS AREA WITH VISIBILITY UNDER 1/4 MILE AND WINDS GUSTING TO 40 TO 50 MPH. |
| Dec 26, 1:46 PM MST | SNOW 0 | 12 Ene North Fork Campg, WY | QUEALY DOME WYDOT SITE. SNOW SQUALL WITH VISIBILITY UNDER 1/4 MILE AND WIND GUSTS TO 44 MPH. |
| Dec 27, 6:00 AM MST | SNOW 7.2 | Nw Ryan Park Campground, WY | SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. |
| Dec 27, 6:00 AM MST | SNOW 10 | 2 Nw Jack Creek Campgro, WY | DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 12 | 2 Wsw Bottle Creek Camp, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 12 | W Deep Creek Campground, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 14 | 2 E Battle Lake, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1400. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 14 | 4 Nw Hog Park Reservoir, WY | LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED AT 26/2100. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 16 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1200. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 18 | 2 Ne Rob Roy Reservoir, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1200. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 18 | Ene Nash Fork Campgroun, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1100. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 20 | 3 Wnw Sugar Loaf Campgr, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 25 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1300. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 24 | 1 Nw Whiskey Park, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED AT 26/1200. |
| Dec 27, 6:00 AM MST | HEAVY SNOW 30 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 31 HOURS. 12 INCHES RECEIVED 26/1000. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 12 | 2 Nw Jack Creek Campgro, 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 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 12.6 | Nw Ryan Park Campground, 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 18 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 20 | 2 Wsw Bottle Creek Camp, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 20 | 4 Nw Hog Park Reservoir, 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 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 22 | 2 E Battle Lake, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 22 | W Deep Creek Campground, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 26 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 28 | 2 Ne Rob Roy Reservoir, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 32 | 1 Nw Whiskey Park, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 32 | Ene Nash Fork Campgroun, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 1.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 38 | 3 Wnw Sugar Loaf Campgr, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
| Dec 28, 6:00 AM MST | HEAVY SNOW 42 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 2.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 55 HOURS. |
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, 7.8 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
- 1942 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
718 WWUS45 KCYS 251950 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1250 PM MST Sat Dec 25 2021 ...HEAVY SNOW EXPECTED FOR THE MOUNTAINS TONIGHT THROUGH MONDAY... WYZ112-114-261200- /O.UPG.KCYS.WS.A.0015.211226T0600Z-211227T1200Z/ /O.NEW.KCYS.WS.W.0020.211226T0600Z-211228T0000Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 1250 PM MST Sat Dec 25 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 60 mph. * WHERE...Sierra MAdre and Snowy Range to include Centennial and Albany. * WHEN...From 11 PM this evening to 5 PM MST Monday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. 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. && $$
7 follow-up statements
375 WWUS45 KCYS 252105 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 205 PM MST Sat Dec 25 2021 ...HEAVY SNOW EXPECTED FOR THE MOUNTAINS TONIGHT THROUGH MONDAY... WYZ112-114-261200- /O.CON.KCYS.WS.W.0020.211226T0600Z-211228T0000Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 205 PM MST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 60 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...From 11 PM this evening to 5 PM MST Monday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
369 WWUS45 KCYS 261038 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 338 AM MST Sun Dec 26 2021 ...HEAVY SNOW EXPECTED FOR THE MOUNTAINS TONIGHT THROUGH MONDAY... WYZ112-114-261845- /O.CON.KCYS.WS.W.0020.000000T0000Z-211228T0000Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 338 AM MST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 60 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...From 11 PM this evening to 5 PM MST Monday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. 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. && $$
152 WWUS45 KCYS 262050 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 150 PM MST Sun Dec 26 2021 ...HEAVY SNOW EXPECTED FOR THE MOUNTAINS THROUGH MONDAY... WYZ112-114-271200- /O.CON.KCYS.WS.W.0020.000000T0000Z-211228T0000Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 150 PM MST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 60 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...Through 5 PM MST Monday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
988 WWUS45 KCYS 271039 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 339 AM MST Mon Dec 27 2021 ...HEAVY SNOW EXPECTED TO CONTINUE FOR THE MOUNTAINS THROUGH MONDAY NIGHT... WYZ112-114-271845- /O.EXT.KCYS.WS.W.0020.000000T0000Z-211228T1500Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 339 AM MST Mon Dec 27 2021 ...WINTER STORM WARNING EXTENDED UNTIL 8 AM MST TUESDAY... * WHAT...Heavy snow expected. Additional accumulation of 6 to 12 inches for a storm total of 1 to 3 feet. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. 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. && $$
750 WWUS45 KCYS 271945 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1245 PM MST Mon Dec 27 2021 ...HEAVY SNOW EXPECTED TO CONTINUE FOR THE MOUNTAINS THROUGH TUESDAY MORNING... WYZ112-114-281200- /O.CON.KCYS.WS.W.0020.000000T0000Z-211228T1500Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 1245 PM MST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Heavy snow expected. Additional accumulation of 6 to 12 inches for a storm total of 1 to 3 feet. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
118 WWUS45 KCYS 281022 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 322 AM MST Tue Dec 28 2021 ...HEAVY SNOW EXPECTED TO CONTINUE FOR THE MOUNTAINS THROUGH TUESDAY MORNING... WYZ112-114-281500- /O.CON.KCYS.WS.W.0020.000000T0000Z-211228T1500Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 322 AM MST Tue Dec 28 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Heavy snow expected. Storm total snow accumulations of 1 to 3 feet since Sunday morning. Winds gusting as high as 50 mph. * WHERE...Sierra Madre and Snowy Range to include Centennial and Albany. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Hikers and snow mobilers likely to become disoriented and lost with very poor visibility in heavy snow and blowing snow. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. 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. && $$
879 WWUS45 KCYS 281458 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 758 AM MST Tue Dec 28 2021 WYZ112-114-281600- /O.EXP.KCYS.WS.W.0020.000000T0000Z-211228T1500Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 758 AM MST Tue Dec 28 2021 ...WINTER STORM WARNING WILL EXPIRE AT 8 AM MST THIS MORNING... Light snow will continue on and off through the day...but heavy snow is no longer expected. Therefore...the Winter Storm Warning will expire at 8 AM this morning. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 2:42 AM MST | Winter Weather Advisory | CYS | Albany, Laramie | 8 hr |
| Dec 25, 3:54 AM MST | Winter Storm Watch | CYS | Albany, Carbon | 9 hr |
| Dec 25, 3:55 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 9 hr |
| Dec 25, 1:04 PM MST | High Wind Watch | CYS | Goshen, Laramie, Niobrara | 15 hr |
| Dec 25, 1:04 PM MST | High Wind Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 39 hr |
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.