Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Jan 22, 2021, 3:22 AM MST for Albany County, Carbon County, Wyoming. It took effect at Jan 22, 2021, 5:00 PM MST. It was in force for 33 hr. 48 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
- Jan 22, 2021, 3:22 AM MST (10:22 UTC)
- In effect from
- Jan 22, 2021, 5:00 PM MST
- Expired
- Jan 24, 2021, 2:17 AM MST
- In force
- 33 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 10:20 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 |
|---|---|---|---|
| Jan 23, 4:39 AM MST | SNOW 8 | 1 Ssw North Fork Campgr, WY | TWENTY FOUR HOUR TOTAL. FOUR INCHES OVERNIGHT. |
| Jan 23, 6:40 AM MST | SNOW 3 | 3 W Rawlins, WY | |
| Jan 23, 7:00 AM MST | SNOW 0.5 | Elk Mountain, WY | |
| Jan 23, 7:00 AM MST | SNOW 0.7 | 6 Ne Riverside, WY | |
| Jan 23, 7:00 AM MST | SNOW 0.8 | 1 Nne Centennial, WY | |
| Jan 23, 7:00 AM MST | SNOW 3 | 4 W Rawlins, WY | LIQUID 0.22 INCH. |
| Jan 23, 7:30 AM MST | SNOW 1.1 | 2 Ene Rock River, WY | |
| Jan 23, 8:00 AM MST | SNOW 3.5 | 1 N Rawlins, WY | |
| Jan 23, 9:25 AM MST | SNOW 4 | 3 W Rawlins, WY | REPORT RECEIVED VIA FACEBOOK. STILL SNOWING WITH CALM WINDS. |
| Jan 23, 10:23 AM MST | SNOW 5 | 3 W Rawlins, WY | REPORT RECEIVED VIA FACEBOOK. STILL SNOWING. |
| Jan 23, 12:00 PM MST | SNOW 3 | 11 Nw Jack Creek Campgr, WY | SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 3 | 7 Wsw Battle Creek Camp, WY | BATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 3 | 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 10 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 4.5 | 2 Ne Rob Roy Reservoir, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 4.8 | 2 Nw Jack Creek Campgro, WY | DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 6 | 1 Ssw Windy Peak, WY | WINDY PEAK SNOTEL IN THE LARAMIE RANGE. ELEVATION 7900 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 6 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 6 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 6 | W Deep Creek Campground, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 8.4 | 1 Nw Whiskey Park, 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 12 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 9 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 9 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 9.6 | 4 Nw Hog Park Reservoir, WY | LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | SNOW 10.5 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 12:00 PM MST | HEAVY SNOW 12 | 3 Wnw Sugar Loaf Campgr, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 19 HOURS. |
| Jan 23, 3:48 PM MST | SNOW 1.5 | 2 E Laramie, WY | |
| Jan 23, 6:44 PM 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 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS. |
| Jan 23, 6:44 PM MST | HEAVY SNOW 12 | 8 Ene Hog Park Campgrou, 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 24 HOURS. |
| Jan 23, 6:44 PM MST | HEAVY SNOW 13.5 | 2 E Battle Lake, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS. |
| Jan 23, 6:44 PM MST | HEAVY SNOW 15 | Nnw Brooklyn Lake Campg, WY | MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.0 INCH AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS. |
| Jan 23, 11:00 PM MST | HEAVY SNOW 6 | Muddy Gap, WY | SNOW AVERAGED 6 INCHES MUDDY GAP TO RAWLINS ON HIGHWAY 287/789. NORTH OF MUDDY GAP SNOW AVERAGED 4 INCHES. |
| Jan 23, 11:00 PM MST | HEAVY SNOW 8 | 4 W Rawlins, WY | REPORT RECEIVED VIA FACEBOOK. |
| Jan 24, 2:00 AM MST | SNOW 3.6 | 7 Wsw Battle Creek Camp, WY | BATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 3.6 | 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 12 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 6 | 1 Ssw Windy Peak, WY | WINDY PEAK SNOTEL IN THE LARAMIE RANGE. ELEVATION 7900 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 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 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | HEAVY SNOW 7 | 11 Nw Jack Creek Campgr, 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 10 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 7.5 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 7.5 | Ene Nash Fork Campgroun, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 7.5 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 9 | 5 Wsw Sugar Loaf Campgr, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 12 | 2 Wsw Bottle Creek Camp, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 15 | 1 Nw Whiskey Park, WY | WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 15 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 15 | 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 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 15 | 8 Ene Hog Park Campgrou, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 15.6 | 1 Nnw Battle Creek Camp, WY | SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 33 HOURS. |
| Jan 24, 2:00 AM MST | SNOW 18 | 2 E Battle Lake, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 33 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 00:00Z, 10.4 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
- 1998 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
505 WWUS45 KCYS 221022 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 322 AM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY THRU 8AM FOR THE CENTRAL LARAMIE RANGE AND EASTERN PLATTE INTO SOUTHERN GOSHEN COUNTY... ...WINTER STORM WARNING NOW IN EFFECT FOR SNOWY AND SIERRA MADRE RANGES TONIGHT THROUGH EARLY SUNDAY MORNING... WYZ112-114-222230- /O.UPG.KCYS.WS.A.0001.210123T0000Z-210124T1200Z/ /O.NEW.KCYS.WS.W.0002.210123T0000Z-210124T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 322 AM MST Fri Jan 22 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 14 inches from 8000 to 9000ft with isolated totals upwards of 20 inches above 9000ft. Winds gusting as high as 30 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges above 8000 feet. * WHEN...From 5 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. 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. && $$ WYZ108-221500- /O.EXA.KCYS.WW.Y.0004.000000T0000Z-210122T1500Z/ Goshen County- Including the city of Torrington 322 AM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one to three inches. * WHERE...For southern Goshen County from Torrington south to Gun Barrel. * WHEN...Until 8 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-107-221500- /O.CON.KCYS.WW.Y.0004.000000T0000Z-210122T1500Z/ Central Laramie Range and Southwest Platte County- East Platte County- Including the cities of Bordeaux, Wheatland, and Guernsey 322 AM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Platte County and central Laramie Mountain Range * WHEN...Until 8 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could 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. && $$ Allen
5 follow-up statements
147 WWUS45 KCYS 221442 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 742 AM MST Fri Jan 22 2021 ...WINTER STORM WARNING NOW IN EFFECT FOR SNOWY AND SIERRA MADRE RANGES TONIGHT THROUGH EARLY SUNDAY MORNING... WYZ106>108-221545- /O.EXP.KCYS.WW.Y.0004.000000T0000Z-210122T1500Z/ Central Laramie Range and Southwest Platte County- East Platte County-Goshen County- Including the cities of Bordeaux, Wheatland, Guernsey, and Torrington 742 AM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... This first band of snow has ended and accumulating snow is no longer expected. Therefore, the Winter Weather Advisory will be allowed to expire at 8 AM this morning. $$ WYZ112-114-222245- /O.CON.KCYS.WS.W.0002.210123T0000Z-210124T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 742 AM MST Fri Jan 22 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 14 inches from 8000 to 9000ft with isolated totals upwards of 20 inches above 9000ft. Winds gusting as high as 30 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges above 8000 feet. * WHEN...From 5 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. 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. && $$
842 WWUS45 KCYS 221946 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1246 PM MST Fri Jan 22 2021 ...WINTER STORM WARNING NOW IN EFFECT FOR SNOWY AND SIERRA MADRE RANGES TONIGHT THROUGH EARLY SUNDAY MORNING... WYZ104-109-231215- /O.EXB.KCYS.WS.W.0002.210123T0600Z-210124T1200Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Including the cities of Seminoe Dam and Rawlins 1246 PM MST Fri Jan 22 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 8 inches, locally higher depending on elevation. * WHERE...Northern Carbon County, including Seminoe Dam, the Shirley Mountains, and Muddy Gap. Rawlins expected to see around 5 inches of snowfall. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ112-114-231215- /O.CON.KCYS.WS.W.0002.210123T0000Z-210124T1200Z/ Sierra Madre Range-Snowy Range- Including the cities of Centennial and Albany 1246 PM MST Fri Jan 22 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 14 inches from 8000 to 9000ft with isolated totals upwards of 20 inches above 9000ft. Winds gusting as high as 30 mph. * WHERE...Sierra Madre and Snowy Mountain Ranges above 8000 feet. * WHEN...From 5 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. 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. && $$ WYZ110-111-113-231215- /O.NEW.KCYS.WW.Y.0005.210123T0000Z-210124T1200Z/ North Snowy Range Foothills-Southwest Carbon County- Upper North Platte River Basin- Including the cities of Arlington, Elk Mountain, Baggs, Saratoga, and Encampment 1246 PM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...North Snowy Range Foothills, Southwest Carbon County, the Upper North Platte River Basin, and the I-80 Corridor Between Arlington and Elk Mountain. Including the towns of Baggs, Saratoga, and Encampment. * WHEN...From 5 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ101>103-105-231215- /O.NEW.KCYS.WW.Y.0005.210123T0600Z-210124T1200Z/ Converse County Lower Elevations-Niobrara County- North Laramie Range-Shirley Basin- Including the cities of Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Garrett, Medicine Bow, and Shirley Basin 1246 PM MST Fri Jan 22 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Converse County Lower Elevations, Southern Niobrara County, the North Laramie Range, and Shirley Basin. Including Douglas, Glenrock, Lusk, Manville, and Redbird. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions. 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. && $$
171 WWUS45 KCYS 231019 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 319 AM MST Sat Jan 23 2021 ...WINTER STORM WARNING NOW IN EFFECT FOR SNOWY AND SIERRA MADRE RANGES THROUGH EARLY SUNDAY MORNING... WYZ104-109-112-114-241200- /O.CON.KCYS.WS.W.0002.000000T0000Z-210124T1200Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Sierra Madre Range-Snowy Range- Including the cities of Seminoe Dam, Rawlins, Centennial, and Albany 319 AM MST Sat Jan 23 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. 2 to 3 inches of snowfall recorded. Expecting an additional 4 to 5 inches of snow accumulation, locally higher depending on elevation. * WHERE...Northern Carbon County, including Seminoe Dam, the Shirley Mountains, and Muddy Gap. Rawlins expected to see around 5 inches of snowfall. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ101>103-105-110-111-113-241200- /O.CON.KCYS.WW.Y.0005.000000T0000Z-210124T1200Z/ Converse County Lower Elevations-Niobrara County- North Laramie Range-Shirley Basin-North Snowy Range Foothills- Southwest Carbon County-Upper North Platte River Basin- Including the cities of Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Garrett, Medicine Bow, Shirley Basin, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment 319 AM MST Sat Jan 23 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Snow expected. 1 inch of snowfall has fallen with an additional 1 to 3 inches of snow accumulations expected. * WHERE...Converse County Lower Elevations, Southern Niobrara County, the North Laramie Range, and Shirley Basin. Including Douglas, Glenrock, Lusk, Manville, and Redbird. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions. 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. && $$
183 WWUS45 KCYS 231729 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1029 AM MST Sat Jan 23 2021 ...WINTER STORM WARNING NOW IN EFFECT FOR SNOWY AND SIERRA MADRE RANGES THROUGH EARLY SUNDAY MORNING... WYZ104-109-112-114-241200- /O.CON.KCYS.WS.W.0002.000000T0000Z-210124T1200Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Sierra Madre Range-Snowy Range- Including the cities of Seminoe Dam, Rawlins, Centennial, and Albany 1029 AM MST Sat Jan 23 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. 3 to 5 inches of snowfall recorded. Expecting an additional 3 to 5 inches of snow accumulation, locally higher depending on elevation. * WHERE...Northern Carbon County, including Seminoe Dam, the Shirley Mountains, and Muddy Gap. Rawlins expected to see around 5 inches of snowfall. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Recreational activities like hiking, snowmobiling, and ice fishing could become dangerous. Snowmobilers could become easily disoriented. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-107-241200- /O.EXA.KCYS.WW.Y.0005.000000T0000Z-210124T1200Z/ Central Laramie Range and Southwest Platte County- East Platte County- Including the cities of Bordeaux, Wheatland, and Guernsey 1029 AM MST Sat Jan 23 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Snow. Additional snow accumulations of 3 to 4 inches. * WHERE...Interstate 25 Corridor from Chugwater to Glendo. Central Laramie Range. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions and poor visibility due to moderate snowfall. 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. && $$ WYZ101>103-105-110-111-113-241200- /O.CON.KCYS.WW.Y.0005.000000T0000Z-210124T1200Z/ Converse County Lower Elevations-Niobrara County- North Laramie Range-Shirley Basin-North Snowy Range Foothills- Southwest Carbon County-Upper North Platte River Basin- Including the cities of Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Garrett, Medicine Bow, Shirley Basin, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment 1029 AM MST Sat Jan 23 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Snow expected. 1 inch of snowfall has fallen with an additional 2 to 4 inches of snow accumulations expected. * WHERE...Converse County Lower Elevations, Southern Niobrara County, the North Laramie Range, and Shirley Basin. Including Douglas, Glenrock, Lusk, Manville, and Redbird. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
997 WWUS45 KCYS 240917 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 217 AM MST Sun Jan 24 2021 WYZ104-109-112-114-241030- /O.CAN.KCYS.WS.W.0002.000000T0000Z-210124T1200Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- Sierra Madre Range-Snowy Range- Including the cities of Seminoe Dam, Rawlins, Centennial, and Albany 217 AM MST Sun Jan 24 2021 ...WINTER STORM WARNING IS CANCELLED... A few stray snow showers may remain, but the main snow event has passed. Therefore, the Winter Storm Warning has been cancelled early. Areas of fog and reduced visibility are possible this morning, especially as skies clear along the I-80 corridor and south towards the Colorado border; slick road conditions are another linger concern through midmorning. $$ WYZ101>103-105>107-110-111-113-241030- /O.CAN.KCYS.WW.Y.0005.000000T0000Z-210124T1200Z/ Converse County Lower Elevations-Niobrara County- North Laramie Range-Shirley Basin- Central Laramie Range and Southwest Platte County- East Platte County-North Snowy Range Foothills- Southwest Carbon County-Upper North Platte River Basin- Including the cities of Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Garrett, Medicine Bow, Shirley Basin, Bordeaux, Wheatland, Guernsey, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment 217 AM MST Sun Jan 24 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... A few stray snow showers may remain, but the main snow event has passed. Therefore, the Winter Weather Advisory has been cancelled early. Areas of fog and reduced visibility are possible this morning, especially as skies clear along the I-80 corridor and south towards the Colorado border; slick road conditions are another linger concern through midmorning. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 10:29 PM MST | Winter Weather Advisory | CYS | Albany, Goshen, Laramie, Platte | 10 hr |
| Jan 22, 12:46 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Laramie, Niobrara, Platte | 38 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.