Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 7, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Mar 12, 2021, 1:39 PM MST for 6 counties in Wyoming. It took effect at Mar 13, 2021, 2:00 PM MST. It was in force for 30 hr. 59 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
- Mar 12, 2021, 1:39 PM MST (20:39 UTC)
- In effect from
- Mar 13, 2021, 2:00 PM MST
- Expired
- Mar 14, 2021, 9:00 PM MDT
- In force
- 30 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Johnson County, WY, Natrona County, WY, Sublette County, WY, Sweetwater County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 32 km from the middle of the area, began a volume at 20:38 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 |
|---|---|---|---|
| Mar 14, 6:00 AM MDT | SNOW 1 | 1 Wnw Dubois, WY | CO-OP OBSERVER STATION DBOW4 DUBOIS. |
| Mar 14, 6:00 AM MDT | SNOW 3 | 4 W Riverton, WY | |
| Mar 14, 6:00 AM MDT | SNOW 3.3 | 2 Sse Green River, WY | COCORAHS STATION WY-SW-32 GREEN RIVER 2 SSE. |
| Mar 14, 6:00 AM MDT | SNOW 4.5 | 2 Sse Fort Washakie, WY | COCORAHS STATION WY-FM-71 FORT WASHAKIE 3.7 SE. |
| Mar 14, 6:00 AM MDT | SNOW 19 | 1 S Rock Springs, WY | COCORAHS STATION WY-SW-19 ROCK SPRINGS 1 S. |
| Mar 14, 6:30 AM MDT | SNOW 3.3 | 2 S Hudson, WY | CO-OP OBSERVER STATION HUDW4 HUDSON. |
| Mar 14, 7:00 AM MDT | SNOW 1 | 8 Nne Mayoworth, WY | COCORAHS STATION WY-JN-13 KAYCEE 17 NNW. |
| Mar 14, 7:00 AM MDT | SNOW 2 | Green River, WY | CO-OP OBSERVER STATION GRNW4 GREEN RIVER. |
| Mar 14, 7:00 AM MDT | SNOW 2.8 | 2 W Riverton, WY | COCORAHS STATION WY-FM-52 RIVERTON 2 W. |
| Mar 14, 7:00 AM MDT | SNOW 3.1 | 2 Se Green River, WY | COCORAHS STATION WY-SW-34 1 SE GREEN RIVER. |
| Mar 14, 7:00 AM MDT | SNOW 3.5 | 2 Nnw Lander, WY | COCORAHS STATION WY-FM-50 LANDER 2NNW. |
| Mar 14, 7:00 AM MDT | SNOW 3.7 | 1 Ne Riverton, WY | CO-OP OBSERVER STATION RIVW4 RIVERTON. |
| Mar 14, 7:00 AM MDT | SNOW 8.6 | 7 Wnw Lander, WY | COCORAHS STATION WY-FM-37 LANDER 7WNW. |
| Mar 14, 7:00 AM MDT | SNOW 9.2 | 1 Nw Casper, WY | COCORAHS STATION WY-NT-50 CASPER 1 NW. |
| Mar 14, 7:00 AM MDT | SNOW 11.5 | 9 Sse Lander, WY | COCORAHS STATION WY-FM-27 LANDER 9 SSE. |
| Mar 14, 7:00 AM MDT | SNOW 12 | 1 Nw Powder River, WY | CO-OP OBSERVER STATION PRSW4 POWDER RIVER. |
| Mar 14, 7:00 AM MDT | SNOW 12.5 | 6 Sw Lander, WY | COCORAHS STATION WY-FM-21 LANDER 6 SW. |
| Mar 14, 7:00 AM MDT | SNOW 12.9 | 3 Sw Mills, WY | COCORAHS STATION WY-NT-24 CASPER 4 WSW. |
| Mar 14, 7:15 AM MDT | SNOW 2.6 | 1 W Riverton, WY | COCORAHS STATION WY-FM-67 RIVERTON 1 SE. |
| Mar 14, 7:45 AM MDT | SNOW 10.7 | 9 Sse Lander, WY | COCORAHS STATION WY-FM-39 LANDER 9 SSE. |
| Mar 14, 8:00 AM MDT | SNOW 1 | 4 Wsw Reliance, WY | COCORAHS STATION WY-SW-30 ROCK SPRINGS 4 NNW. |
| Mar 14, 8:00 AM MDT | SNOW 2.8 | 7 Sse Rock Springs, WY | COCORAHS STATION WY-SW-16 ROCK SPRINGS 7 SE. |
| Mar 14, 8:00 AM MDT | SNOW 3 | 1 Sse Green River, WY | COCORAHS STATION WY-SW-26 GREEN RIVER 1 SSE. |
| Mar 14, 8:00 AM MDT | SNOW 14 | Atlantic City, WY | CO-OP OBSERVER STATION ATLW4 ATLANTIC CITY. |
| Mar 14, 10:00 AM MDT | SNOW 3.3 | 1 W Lander, WY | COCORAHS STATION WY-FM-11 LANDER 1W. |
| Mar 14, 10:00 AM MDT | SNOW 15 | 1 Sw Casper, WY | COCORAHS STATION WY-NT-90 CASPER 1.2 SW. |
| Mar 14, 10:01 AM MDT | SNOW 3 | 4 W Riverton, WY | |
| Mar 14, 3:27 PM MDT | SNOW 26.5 | 3 E Casper, WY | |
| Mar 14, 3:41 PM MDT | SNOW 22.2 | Casper, WY | |
| Mar 14, 5:00 PM MDT | SNOW 0.5 | 2 Ssw Rock Springs, WY | CO-OP OBSERVER STATION RSFW4 ROCK SPRINGS. |
| Mar 14, 6:00 PM MDT | SNOW 7 | 4 Wsw Lander, WY | COCORAHS STATION WY-FM-69 LANDER 4 WSW. |
| Mar 14, 7:00 PM MDT | SNOW 6 | Wamsutter, WY | CO-OP OBSERVER STATION WMSW4 WAMSUTTER. |
| Mar 14, 7:19 PM MDT | SNOW 6 | 12 Se Big Trails, WY | |
| Mar 14, 7:20 PM MDT | SNOW 7 | 18 Ene Ten Sleep, WY | |
| Mar 14, 7:20 PM MDT | SNOW 13 | 14 Wnw Mayoworth, WY | |
| Mar 14, 7:21 PM MDT | SNOW 5 | 20 N Arminto, WY | |
| Mar 14, 7:21 PM MDT | SNOW 9 | 18 Wnw Buffalo, WY | |
| Mar 14, 7:21 PM MDT | SNOW 11 | 15 Wsw Buffalo, WY | |
| Mar 14, 7:22 PM MDT | SNOW 2 | 11 E Big Sandy, WY | |
| Mar 14, 7:22 PM MDT | SNOW 3 | 27 Wnw Buffalo, WY | |
| Mar 14, 7:22 PM MDT | SNOW 10 | 16 W Buffalo, WY | |
| Mar 14, 7:23 PM MDT | SNOW 7 | 17 Wnw South Pass City, WY | |
| Mar 14, 7:23 PM MDT | SNOW 18 | 10 Nnw South Pass City, WY | |
| Mar 14, 7:23 PM MDT | SNOW 19 | 11 Wsw Burris, WY | |
| Mar 14, 7:23 PM MDT | SNOW 19 | Cold Springs Snotel, WY | CORRECTS PREVIOUS SNOW REPORT FROM 11 WSW BURRIS. |
| Mar 14, 7:23 PM MDT | SNOW 26 | 14 Sw Fort Washakie, WY | |
| Mar 14, 7:23 PM MDT | HEAVY SNOW 26 | Hobbs Park Snotel, WY | 14 SW FORT WASHAKIE. |
| Mar 14, 7:24 PM MDT | SNOW 5 | 6 Wsw Dubois, WY | |
| Mar 14, 7:24 PM MDT | SNOW 5 | Little Warm Snotel, WY | 6 WSW DUBOIS. |
| Mar 14, 7:24 PM MDT | SNOW 15 | 15 W Fort Washakie, WY | |
| Mar 14, 7:24 PM MDT | SNOW 15 | 7 Nnw South Pass City, WY | |
| Mar 14, 7:24 PM MDT | HEAVY SNOW 15 | South Pass Snotel, WY | 7 NNW SOUTH PASS CITY. |
| Mar 14, 7:24 PM MDT | HEAVY SNOW 15 | St. Lawrence Alt Snotel, WY | 15 W FORT WASHAKIE. |
| Mar 14, 7:24 PM MDT | SNOW 16 | 13 Sw Lander, WY | |
| Mar 14, 7:24 PM MDT | HEAVY SNOW 16 | Townsend Creek Snotel, WY | 13 SW LANDER. |
| Mar 14, 7:25 PM MDT | SNOW 19 | 7 S Casper, WY | |
| Mar 14, 7:25 PM MDT | SNOW 22 | 22 Se Casper, WY | |
| Mar 14, 7:34 PM MDT | SNOW 8.5 | 2 S Casper, WY | |
| Mar 14, 7:35 PM MDT | SNOW 2 | 2 S Casper, WY |
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, 8.7 hours before the alert went out and 26 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
- 1617 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
107 WWUS45 KRIW 122039 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 139 PM MST Fri Mar 12 2021 ...Significant Snowfall Saturday into Sunday... .A weather system will bring significant snowfall to central and southern Wyoming early Saturday afternoon into Sunday afternoon. The heaviest snow will be Saturday night. WYZ020-022-131400- /O.UPG.KRIW.WS.A.0004.210313T2100Z-210315T0300Z/ /O.NEW.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 139 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 PM MST SATURDAY TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 8 to 14 inches in Casper with 15 to 25 inches at Casper Mountain. Northeast wind 15 to 30 mph with gusts as high as 40 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-018-019-131400- /O.UPG.KRIW.WS.A.0004.210313T2100Z-210314T2100Z/ /O.NEW.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 139 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 5 to 9 inches in the lower elevations with 12 to 18 inches possible in the higher elevations. Northeast wind 20 to 30 mph with gusts around 45 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-131400- /O.UPG.KRIW.WS.A.0004.210313T2100Z-210314T2100Z/ /O.NEW.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 139 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 8 inches. Northeast wind 20 to 30 mph with gusts around 45 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near-blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-131400- /O.UPG.KRIW.WS.A.0004.210313T2100Z-210315T0300Z/ /O.NEW.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 139 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 PM MST SATURDAY TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 7 inches. The heaviest snow will occur near the Natrona County line. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ017-131400- /O.NEW.KRIW.WW.Y.0019.210313T2100Z-210314T2200Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 139 PM MST Fri Mar 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 2 to 4 inches in the northern portion of the basin and up to 5 to inches toward Hudson. Northeast wind of 15 to 25 mph with gusts to 30 mph. * WHERE...Wind River Basin. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans.. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
8 follow-up statements
797 WWUS45 KRIW 122100 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 200 PM MST Fri Mar 12 2021 ...Significant Snowfall Saturday into Sunday... .A weather system will bring significant snowfall to central and southern Wyoming early Saturday afternoon into Sunday afternoon. The heaviest snow will be Saturday night. WYZ020-022-131400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 200 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST SATURDAY TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 8 to 14 inches in Casper with 15 to 25 inches at Casper Mountain. Northeast wind 15 to 30 mph with gusts as high as 40 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ015-018-019-131400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 200 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 5 to 9 inches in the lower elevations with 12 to 18 inches possible in the higher elevations. Northeast wind 20 to 30 mph with gusts around 45 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ028>030-131400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 200 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 8 inches. Northeast wind 20 to 30 mph with gusts around 45 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-131400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 200 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST SATURDAY TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 7 inches. The heaviest snow will occur near the Natrona County line. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ017-131400- /O.EXT.KRIW.WW.Y.0019.210313T2100Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 200 PM MST Fri Mar 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 2 PM MST SATURDAY TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 2 to 4 inches in the northern portion of the basin and up to 5 to inches toward Hudson. Northeast wind of 15 to 25 mph with gusts to 30 mph. * WHERE...Wind River Basin. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
044 WWUS45 KRIW 130837 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 137 AM MST Sat Mar 13 2021 ...Significant Snowfall this afternoon into Sunday... .A weather system will bring significant snowfall to central and southern Wyoming this afternoon into Sunday afternoon. The heaviest snow will be Saturday night. WYZ020-022-140000- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 137 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 8 to 14 inches in Casper with 15 to 25 inches at Casper Mountain. Northeast wind gusting as high as 35 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-018-019-140000- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 137 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 6 to 10 inches in the lower elevations with 10 to 18 inches possible in the higher elevations with up to 2 feet in the Wind River Mountains. Northeast wind 20 to 30 mph with gusts around 45 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-140000- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 137 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 8 inches. Northeast wind 20 to 30 mph with gusts around 50 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-140000- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 137 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 8 inches. The heaviest snow will occur near the Natrona County line and near the Bighorn Mountains. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ009-010-140000- /O.EXB.KRIW.WW.Y.0019.210313T2100Z-210315T0300Z/ Bighorn Mountains Southeast-Northeast Johnson County- Including the city of Buffalo 137 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 9 PM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 in the lower elevations; 6 to 12 inches in the mountains. Winds gusting as high as 35 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...From 2 PM MST this afternoon to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted be this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ017-140000- /O.CON.KRIW.WW.Y.0019.210313T2100Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 137 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON TO 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 1 to 3 inches in the northern portion of the basin and up to 6 to inches toward Hudson and Fort Washakie. Northeast wind of 15 to 25 mph with gusts to 30 mph. * WHERE...Wind River Basin. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
006 WWUS45 KRIW 131823 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1123 AM MST Sat Mar 13 2021 ...Significant Snowfall this afternoon into Sunday... .A weather system will bring significant snowfall to central and southern Wyoming this afternoon into Sunday afternoon. The heaviest snow will be Saturday night. WYZ009-010-141400- /O.UPG.KRIW.WW.Y.0019.210313T2100Z-210315T0300Z/ /O.EXA.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Bighorn Mountains Southeast-Northeast Johnson County- Including the city of Buffalo 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Heavy snow expected. Snow accumulations of 4 to 8 inches in the lower elevations and 8 to 14 inches in the mountains. Northeast winds of 20 to 25 mph with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ017-141400- /O.UPG.KRIW.WW.Y.0019.210313T2100Z-210314T2100Z/ /O.EXA.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Heavy snow with total accumulations of 2 to 4 inches in the northern portion of the basin and 6 to 12 inches toward Hudson and Fort Washakie. Northeast wind of 20 to 30 mph with gusts to 45 mph. * WHERE...Wind River Basin. * WHEN...Until 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ020-022-141400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 12 to 18 inches in Casper with 20 to 30 inches at Casper Mountain. Northeast wind gusting as high as 35 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-018-019-141400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 6 to 12 inches in the lower elevations with 10 to 18 inches possible in the higher elevations with up to 2 feet in the Wind River Mountains. Northeast wind 25 to 35 mph with gusts around 50 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-141400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 4 to 10 inches. Northeast wind 20 to 30 mph with gusts around 50 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...From 2 PM MST Saturday to 3 PM MDT Sunday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-141400- /O.CON.KRIW.WS.W.0007.210313T2100Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 1123 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 5 to 10 inches and 8 to 14 inches where the heaviest snow will occur near the Natrona County line and near the Bighorn Mountains. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...From 2 PM MST Saturday to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ007-141400- /O.NEW.KRIW.WW.Y.0020.210313T2100Z-210314T2100Z/ Owl Creek and Bridger Mountains- 1123 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 mph with winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 2 PM MST this afternoon to 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times through the Wind River Canyon. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ008-141400- /O.NEW.KRIW.WW.Y.0020.210313T2100Z-210315T0300Z/ Bighorn Mountains West- 1123 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains West. * WHEN...From 2 PM MST this afternoon to 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times over Granite and Powder River passes impacting travelers crossing the Bighorn Range. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
418 WWUS45 KRIW 140311 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 811 PM MST Sat Mar 13 2021 ...Significant Snowfall Tonight into Sunday... .A weather system will bring significant snowfall to central and southern Wyoming tonight into Sunday afternoon. The heaviest snow will be Saturday night through Sunday morning. WYZ020-022-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 12 to 18 inches in Casper with 20 to 30 inches at Casper Mountain. Northeast wind gusting as high as 35 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-018-019-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 6 to 12 inches in the lower elevations. 10 to 18 inches possible in the higher elevations, with up to 2 feet in the Wind River Mountains. Northeast wind 25 to 35 mph with gusts around 50 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...Until 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 5 to 10 inches. Northeast wind 20 to 30 mph with gusts around 50 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...Until 3 PM MDT Sunday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow with total accumulations of 5 to 10 inches. 8 to 14 inches where the heaviest snow will occur near the Natrona County line and near the Bighorn Mountains. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ017-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Heavy snow with total accumulations of 3 to 6 inches from Riverton to Crowheart and 6 to 12 inches toward Hudson and Fort Washakie. Northeast wind of 20 to 30 mph with gusts to 45 mph. * WHERE...Wind River Basin. * WHEN...Until 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ009-010-141300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Bighorn Mountains Southeast-Northeast Johnson County- Including the city of Buffalo 811 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Heavy snow expected. Snow accumulations of 4 to 8 inches in the lower elevations and 8 to 14 inches in the mountains. Northeast winds of 20 to 25 mph with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ007-141300- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210314T2100Z/ Owl Creek and Bridger Mountains- 811 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 mph with winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 3 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times through the Wind River Canyon. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ008-141300- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210315T0300Z/ Bighorn Mountains West- 811 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * WHAT...Snow total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains West. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times over Granite and Powder River passes impacting travelers crossing the Bighorn Range. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
564 WWUS45 KRIW 140924 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 324 AM MDT Sun Mar 14 2021 ...Significant Snowfall continues today... .A weather system will bring significant snowfall to central and southern Wyoming through this Sunday afternoon. The heaviest snow will be through this morning. WYZ020-022-150000- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow with additional accumulations of 5 to 10 inches in Casper with 10 to 15 inches at Casper Mountain. Northeast wind gusting as high as 35 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-018-019-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Mountains East-Lander Foothills- Green Mountains and Rattlesnake Range- Including the cities of Lander and Jeffrey City 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Snow with additional accumulations of 3 to 6 inches in the lower elevations. 4 to 88 inches possible in the higher elevations, with up to an additional 1 foot in the Wind River Mountains. Northeast wind 25 to 35 mph with gusts around 50 mph from Red Canyon to Jeffrey City to Muddy Gap. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Snow with total accumulations of 4 to 8 inches. Northeast wind 20 to 30 mph with gusts around 50 mph across eastern Sweetwater County. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...Until 3 PM MDT today. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-150000- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow with total accumulations of 5 to 10 inches. Northeast wind of 15 to 25 mph with winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ017-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Heavy snow with total accumulations of 3 to 6 inches from Riverton to Crowheart and 6 to 12 inches toward Hudson and Fort Washakie. Northeast wind of 20 to 30 mph with gusts to 45 mph. * WHERE...Wind River Basin. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ009-010-150000- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Bighorn Mountains Southeast-Northeast Johnson County- Including the city of Buffalo 324 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow expected. Snow accumulations of 3 to 6 inches in the lower elevations and 8 to 14 inches in the mountains. Northeast winds of 20 to 25 mph with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ007-142100- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210314T2100Z/ Owl Creek and Bridger Mountains- 324 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 mph with winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times through the Wind River Canyon. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ008-150000- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210315T0300Z/ Bighorn Mountains West- 324 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow total snow accumulations of 5 to 10 inches in the higher elevations. Northeast winds of 20 to 30 with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains West. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times over Granite and Powder River passes impacting travelers crossing the Bighorn Range. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
801 WWUS45 KRIW 141913 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 113 PM MDT Sun Mar 14 2021 ...Snow Gradually Ending Today... .Expected central Wyoming impacts will continue through this evening. The heaviest snow has diminished for southern and western Wyoming but will continue through this evening for central Wyoming. WYZ015-019-142200- /O.EXT.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Wind River Mountains East-Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to 4 inches. Winds gusting as high as 50 mph. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ030-142200- /O.EXT.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ East Sweetwater County- Including the city of Wamsutter 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. Winds gusting as high as 50 mph. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-142100- /O.EXT.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Northeast Johnson County- Including the city of Buffalo 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 3 PM MDT this afternoon. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ020-022-142200- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-142200- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ017-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. * WHERE...Wind River Basin. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...US Highway 26 and Wyoming 789 and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ009-142200- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Bighorn Mountains Southeast- 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ018-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Lander Foothills- Including the city of Lander 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Heavy wet snow. Additional snow accumulations of up to one inch. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028-029-142100- /O.CON.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge- Including the cities of Rock Springs and Green River 113 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. Winds gusting as high as 45 mph. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...Until 3 PM MDT today. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ007-142100- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210314T2100Z/ Owl Creek and Bridger Mountains- 113 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of up to one inch. Winds gusting as high as 40 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 3 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times through the Wind River Canyon. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ008-142200- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210315T0300Z/ Bighorn Mountains West- 113 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to 4 inches. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains West. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times over Granite and Powder River passes impacting travelers crossing the Bighorn Range. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
283 WWUS45 KRIW 142043 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 243 PM MDT Sun Mar 14 2021 ...Snow Gradually Ending Today... .Expected central Wyoming impacts will continue through this evening. The heaviest snow has diminished for southern and western Wyoming. Thus those highlights will be allowed to expire. Snow will continue through this evening for central Wyoming. WYZ017-142145- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Wind River Basin- Including the cities of Riverton and Shoshoni 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM MDT THIS AFTERNOON... The heaviest, accumulating snow has ended across the zone; therefore, the warning will be allowed to expire. Lingering snow showers are possible with little to no accumulation expected. $$ WYZ018-142145- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Lander Foothills- Including the city of Lander 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM MDT THIS AFTERNOON... The heaviest, accumulating snow has ended across the zone; therefore, the warning will be allowed to expire. Lingering snow showers are possible with little to no accumulation expected. $$ WYZ010-142145- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Northeast Johnson County- Including the city of Buffalo 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM MDT THIS AFTERNOON... The heaviest, accumulating snow has ended across the zone; therefore, the warning will be allowed to expire. Lingering snow showers are possible with little to no accumulation expected. $$ WYZ028-029-142145- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210314T2100Z/ Rock Springs and Green River-Flaming Gorge- Including the cities of Rock Springs and Green River 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM MDT THIS AFTERNOON... The heaviest, accumulating snow has ended across the zone; therefore, the warning will be allowed to expire. Lingering snow showers are possible with little to no accumulation expected. $$ WYZ007-142145- /O.EXP.KRIW.WW.Y.0020.000000T0000Z-210314T2100Z/ Owl Creek and Bridger Mountains- 243 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MDT THIS AFTERNOON... The heaviest, accumulating snow has ended across the zone; therefore, the warning will be allowed to expire. Lingering snow showers are possible with little to no accumulation expected. $$ WYZ020-022-150300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Natrona County Lower Elevations and Casper Mountain. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstate 25 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ015-019-150300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Wind River Mountains East-Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to 4 inches. Winds gusting as high as 50 mph. * WHERE...Wind River Mountains East, Lander Foothills and Green Mountains and Rattlesnake Range. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...South Pass and other major roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ030-150300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ East Sweetwater County- Including the city of Wamsutter 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. Winds gusting as high as 50 mph. * WHERE...Rock Springs and Green River, Flaming Gorge and East Sweetwater County. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility and create near- blizzard conditions at times. * ADDITIONAL DETAILS...Interstate 80 and other major highways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. 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. && $$ WYZ011-150300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Southeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Interstate 25 and other roadways will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ009-150300- /O.CON.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Bighorn Mountains Southeast- 243 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Northeast Johnson County. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult through midday Sunday. Whiteout conditions will be possible. * ADDITIONAL DETAILS...Interstates 25 and 90 will be impacted by this storm. Allow extra time to reach your destination or make alternate travel plans or make alternate travel plans. 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. && $$ WYZ008-150300- /O.CON.KRIW.WW.Y.0020.000000T0000Z-210315T0300Z/ Bighorn Mountains West- 243 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to 4 inches. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains West. * WHEN...Until 9 PM MDT today. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Whiteout conditions are possible. * ADDITIONAL DETAILS...Travel could be very difficult at times over Granite and Powder River passes impacting travelers crossing the Bighorn Range. Allow extra time to reach your destination or make alternate travel plans. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
161 WWUS45 KRIW 150240 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 840 PM MDT Sun Mar 14 2021 WYZ020-022-150345- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Natrona County Lower Elevations-Casper Mountain- Including the city of Casper 840 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area this evening. Breezy winds will continue to decrease, with areas of drifting snow ending in the next couple of hours. $$ WYZ015-019-150345- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Wind River Mountains East-Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 840 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area, thus the warning will be allowed to expire. $$ WYZ030-150345- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ East Sweetwater County- Including the city of Wamsutter 840 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area this evening. Breezy winds will continue to decrease, with areas of drifting snow ending in the next couple of hours. $$ WYZ011-150345- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Southeast Johnson County- Including the city of Kaycee 840 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area, thus the warning will be allowed to expire. $$ WYZ009-150345- /O.EXP.KRIW.WS.W.0007.000000T0000Z-210315T0300Z/ Bighorn Mountains Southeast- 840 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area, thus the warning will be allowed to expire. $$ WYZ008-150345- /O.EXP.KRIW.WW.Y.0020.000000T0000Z-210315T0300Z/ Bighorn Mountains West- 840 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... Snow has ended across the area, thus the warning will be allowed to expire. $$ For more information from the National Weather Service visit http://weather.gov/riw
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 1:39 PM MST | Winter Weather Advisory | RIW | Fremont, Johnson, Natrona, Washakie | 22 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.