Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Feb 10, 2021, 3:43 PM MST for 4 counties in Wyoming. It took effect at Feb 11, 2021, 11:00 AM MST. It was in force for 60 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 10, 2021, 3:43 PM MST (22:43 UTC)
- In effect from
- Feb 11, 2021, 11:00 AM MST
- Expired
- Feb 13, 2021, 11:00 PM MST
- In force
- 60 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Sublette County, WY, Teton County, WY
The radar
The Riverton/Lander radar (KRIW), 120 km from the middle of the area, began a volume at 22:49 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.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 10.7 hours before the alert went out and 126 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
- 971 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
548 WWUS45 KRIW 102243 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 343 PM MST Wed Feb 10 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from Thursday afternoon until early Saturday morning... .An extended Moderate to heavy snow event will be likely from Thursday afternoon until early Saturday morning as ample Pacific moisture across the area, moves across portions of western Wyoming. WYZ012-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 343 PM MST Wed Feb 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 23 inches. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ013-023-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 343 PM MST Wed Feb 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 7 inches, while the area near Moran Junction and higher elevations will see upt to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest precipitation is expected from late Thursday evening through late Friday afternoon. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. Patchy blowing snow could significantly reduce visibility along US 26 and 89. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 343 PM MST Wed Feb 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ001-002-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 343 PM MST Wed Feb 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 343 PM MST Wed Feb 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bonderant, and only 1 to 2 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ014-111200- /O.UPG.KRIW.WS.A.0002.210211T1800Z-210213T1200Z/ /O.NEW.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 343 PM MST Wed Feb 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 17 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
12 follow-up statements
653 WWUS45 KRIW 110858 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 158 AM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... .An extended Moderate to heavy snow event will be likely from this afternoon until early Saturday morning as ample Pacific moisture moves into portions of western Wyoming. WYZ012-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 158 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ013-023-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 158 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 6 inches, while the area near Moran Junction and near Alpine may see up to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest precipitation is expected tonight. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 158 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ001-002-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 158 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 158 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bondurant, and only 1 to 3 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ014-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 158 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 16 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
814 WWUS45 KRIW 110935 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 235 AM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... .An extended Moderate to heavy snow event will be likely from this afternoon until early Saturday morning as ample Pacific moisture moves into portions of western Wyoming. WYZ012-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 235 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ013-023-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 235 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 6 inches, while the area near Moran Junction and near Alpine may see up to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest precipitation is expected tonight. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 235 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ003-004-010-011-120000- /O.NEW.KRIW.WC.Y.0001.210211T0935Z-210213T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 235 AM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY IN EFFECT UNTIL 9 PM MST FRIDAY... * WHAT...Very cold wind chills. Wind chills as low as 30 below zero with brief periods as low as 40 below zero. * WHERE...Cody Foothills, North Big Horn Basin, Northeast Johnson County and Southeast Johnson County. * WHEN...Until 9 PM MST Friday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ WYZ001-002-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 235 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ025-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 235 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bondurant, and only 1 to 3 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 235 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 16 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
748 WWUS45 KRIW 110945 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 245 AM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... .An extended Moderate to heavy snow event will be likely from this afternoon until early Saturday morning as ample Pacific moisture moves into portions of western Wyoming. WYZ012-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 245 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 245 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 6 inches, while the area near Moran Junction and near Alpine may see up to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest precipitation is expected tonight. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. 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. && $$ WYZ024-120000- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 245 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ001-002-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 245 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ025-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 245 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bondurant, and only 1 to 3 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-120000- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 245 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 16 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ003-004-010-011-120000- /O.CON.KRIW.WC.Y.0001.000000T0000Z-210213T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 245 AM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY... * WHAT...Very cold wind chills. Wind chills as low as 30 below zero with brief periods as low as 40 below zero. * WHERE...Cody Foothills, North Big Horn Basin, Northeast Johnson County and Southeast Johnson County. * WHEN...Until 9 PM MST Friday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...Occasional snow will leave around an inch of accumulation with locally up to 3 inches where snow banding persists. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit http://weather.gov/riw
721 WWUS45 KRIW 111301 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 601 AM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... ...Wind Chill Advisories in effect for portions of northern Wyoming into this evening... .An extended Moderate to heavy snow event will be likely from this afternoon until early Saturday morning as ample Pacific moisture moves into portions of western Wyoming. In addition, very cold wind chill temperatures are likely across portions of northern Wyoming. WYZ012-120015- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 601 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ013-023-120015- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 601 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 6 inches, while the area near Moran Junction and near Alpine may see up to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest precipitation is expected tonight. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-120015- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 601 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ003-004-010-011-120015- /O.EXT.KRIW.WC.Y.0001.000000T0000Z-210212T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 601 AM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Very cold wind chills. Wind chills as low as 30 below zero with brief periods as low as 40 below zero. * WHERE...Cody Foothills, North Big Horn Basin, Northeast Johnson County and Southeast Johnson County. * WHEN...Until 9 PM MST this evening. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...Occasional snow will leave around an inch of accumulation with locally up to 3 inches where snow banding persists. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ WYZ001-002-120015- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 601 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ025-120015- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 601 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bondurant, and only 1 to 3 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-120015- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 601 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 16 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
926 WWUS45 KRIW 111739 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY Issued by National Weather Service Billings MT 1039 AM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... ...Wind Chill Advisories in effect for portions of northern Wyoming into this evening... .An extended Moderate to heavy snow event will be likely from this afternoon until early Saturday morning as ample Pacific moisture moves into portions of western Wyoming. In addition, very cold wind chill temperatures will persist across portions of northern Wyoming. WYZ012-120145- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Teton and Gros Ventre Mountains- 1039 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-120145- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 1039 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations near the town of Jackson and most of Star Valley will be around 6 inches, while the area near Moran Junction and near Alpine may see up to 12 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 5 AM MST Saturday. The heaviest precipitation is expected tonight. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. 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. && $$ WYZ024-120145- /O.CON.KRIW.WS.W.0003.210211T1800Z-210213T1200Z/ Salt River and Wyoming Ranges- 1039 AM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute, especially over Salt Pass. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ001-002-120145- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 1039 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 will occur in the southwestern mountains of Yellowstone and Western portions of the Absarokas. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact commutes on the portions of US 14, 16, and 20 west of Cody. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ025-120145- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 1039 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 9 inches are expected in the area around Bondurant, and only 1 to 3 inches around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commutes on the portions of US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-120145- /O.CON.KRIW.WW.Y.0011.210211T1800Z-210213T1200Z/ Wind River Mountains West- 1039 AM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches expected in the lower elevation, including the area of South Pass. Higher accumulations of up to 16 inches are expected in the higher elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the back country and disorientation will be possible. 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. && $$ WYZ003-004-010-011-120145- /O.CON.KRIW.WC.Y.0001.000000T0000Z-210212T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 1039 AM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Very cold wind chills. Wind chills as low as 30 below zero with brief periods as low as 40 below zero. * WHERE...Cody Foothills, North Big Horn Basin, Northeast Johnson County and Southeast Johnson County. * WHEN...Until 9 PM MST this evening. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...Occasional snow will leave around an inch of accumulation with locally up to 3 inches where snow banding persists. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit http://weather.gov/riw
121 WWUS45 KRIW 112217 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 317 PM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... ...Wind Chill Advisories in effect for portions of northern Wyoming into this evening... .Snow will increase across western Wyoming this evening and continue into Saturday morning as Pacific moisture spreads into the region. Moderate to heavy snow is likely tonight. Also, very cold wind chill temperatures will persist across portions of northern Wyoming within an Arctic airmass. WYZ012-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Teton and Gros Ventre Mountains- 317 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. West wind gusting 25 to 40 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ013-023-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 317 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations in the vicinity of Jackson and most of the Star Valley will be around 6 inches. Locations in Grand Teton National Park and near Alpine could see accumulations up to one foot. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Salt River and Wyoming Ranges- 317 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. West wind gusting 25 to 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ001-002-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 317 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations of 6 to 8 in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 inches will occur in the southwest mountains of Yellowstone and along the Continental Divide in the Absaroka Range. West wind gusting 25 to 35 mph in exposed areas. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 317 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations 6 to 9 inches in Bondurant Valley, with 1 to 3 inches expected around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ014-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Wind River Mountains West- 317 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations 8 to 16 inches above about 8,000 feet. Lesser totals of 3 to 6 inches below 8,000 feet and over South Pass. West wind gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ003-004-010-011-120400- /O.CON.KRIW.WC.Y.0001.000000T0000Z-210212T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 317 PM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Very cold wind chills with readings as low as 30 below zero with brief periods as low as 40 below zero. Northerly wind 10 to 15 mph. * WHERE...Cody Foothills, North Big Horn Basin, Northeast Johnson County and Southeast Johnson County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...Temperatures will be 30 to 40 degrees below seasonal averages. Flurries and areas of light snow will persist, with total accumulations of 1 to 2 inches possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ For more information from the National Weather Service visit http://weather.gov/riw
260 WWUS45 KRIW 120358 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 858 PM MST Thu Feb 11 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming from this afternoon until early Saturday morning... .Snow will increase across western Wyoming this evening and continue into Saturday morning as Pacific moisture spreads into the region. Moderate to heavy snow is likely tonight. WYZ003-004-010-011-120500- /O.EXP.KRIW.WC.Y.0001.000000T0000Z-210212T0400Z/ Cody Foothills-North Big Horn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Clark, Cody, Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Buffalo, and Kaycee 858 PM MST Thu Feb 11 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING... Winds have decreased for the warned area this evening, but bitterly cold temperatures will continue for the area through the night tonight into the morning hours Friday. $$ WYZ012-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Teton and Gros Ventre Mountains- 858 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches, with locally higher amounts. West wind gusting 25 to 40 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ013-023-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 858 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations in the vicinity of Jackson and most of the Star Valley will be around 6 inches. Locations in Grand Teton National Park and near Alpine could see accumulations up to one foot. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-121200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210213T1200Z/ Salt River and Wyoming Ranges- 858 PM MST Thu Feb 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 16 inches. West wind gusting 25 to 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ001-002-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 858 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations of 6 to 8 in the lower elevations and 8 to 12 inches in the higher elevations. Higher amounts up to 15 inches will occur in the southwest mountains of Yellowstone and along the Continental Divide in the Absaroka Range. West wind gusting 25 to 35 mph in exposed areas. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Upper Green River Basin Foothills- Including the city of Pinedale 858 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations 6 to 9 inches in Bondurant Valley, with 1 to 3 inches expected around Pinedale. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 5 AM MST Saturday. The heaviest snow is expected through sunrise Friday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. 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. && $$ WYZ014-121200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210213T1200Z/ Wind River Mountains West- 858 PM MST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... * WHAT...Snow. Total accumulations 8 to 16 inches above about 8,000 feet. Lesser totals of 3 to 6 inches below 8,000 feet and over South Pass. West wind gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
855 WWUS45 KRIW 120921 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 221 AM MST Fri Feb 12 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming thru Saturday Evening... .Several quick moving storm systems within moist westerly flow will result in periods of snow to heavy snow across western Wyoming through Saturday evening. WYZ012-122230- /O.EXT.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Teton and Gros Ventre Mountains- 221 AM MST Fri Feb 12 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations of 6 to 12 inches in the Gros Ventre Mountains, and 12 to 18 inches in the Teton Mountains. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-122230- /O.EXT.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 221 AM MST Fri Feb 12 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of snow, heavy at times. Additional snow accumulations of 4 to 8 inches with the highest totals near the northern end of the valleys. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-122230- /O.EXT.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Salt River and Wyoming Ranges- 221 AM MST Fri Feb 12 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations of 8 to 14 inches. Winds gusting as high as 40 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ001-002-122230- /O.EXT.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 221 AM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. Additional snowfall of 2 to 4 inches in the lower elevations, and 6 to 12 inches in the mountains. Localized higher amounts in southwest Yellowstone. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling and please share your travel plans with friends or relatives. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-122230- /O.EXT.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Upper Green River Basin Foothills- Including the city of Pinedale 221 AM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of snow. Additional snow accumulations of 2 to 4 inches near Pinedale and localized amounts near 6 inches near Bondurant. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-122230- /O.EXT.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Wind River Mountains West- 221 AM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow, heavy at times. Additional snow accumulations of 6 to 12 inches. Union Pass should see 5 to 10 inches while South Pass should see around 6 inches. * WHERE...Wind River Mountains West. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult to impossible due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Team Riverton/21
005 WWUS45 KRIW 122237 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 337 PM MST Fri Feb 12 2021 ...Winter Storm Warnings and Winter Weather Advisories for far Western Wyoming thru Saturday Evening... .Another quick moving storm system will bring another round of snow to the west and southwest late tonight through Saturday evening. WYZ012-131300- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Teton and Gros Ventre Mountains- 337 PM MST Fri Feb 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. The heavier snow is expected to occur late tonight through Saturday afternoon. New snow accumulations of 6 to 12 inches with locally higher amounts possible. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be hazardous at times. These conditions will impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-131300- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 337 PM MST Fri Feb 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. The heavier snow is expected late tonight through Saturday afternoon. New snow accumulations of 2 to 3 inches in the Jackson valley. The Star Valley will see 4 to 7 inches of new snowfall. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult due to slick roads and poor visibility. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-131300- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Salt River and Wyoming Ranges- 337 PM MST Fri Feb 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Period of Snow. The heavier snow is expected late tonight through Saturday afternoon. New snow accumulations of 6 to 12 inches. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ001-002-131300- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 337 PM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. The heavier snow will occur on Saturday. New snowfall of 2 to 4 inches in the lower elevations, and 4 to 8 inches in the mountains. * WHERE...Yellowstone National Park and Absaroka Mountains. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling and please share your travel plans with friends or relatives. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-131300- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Upper Green River Basin Foothills- Including the city of Pinedale 337 PM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. The heavier snowfall will occur on Saturday. New snow accumulations of 2 to 3 inches near Pinedale and localized amounts near 6 inches around Bondurant. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be very difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-131300- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Wind River Mountains West- 337 PM MST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * WHAT...Periods of Snow. The heavier snow will occur on Saturday. New snow accumulations of 6 to 8 inches. This would include the Union Pass and the South Pass areas. * WHERE...Wind River Mountains West. * WHEN...Until 11 PM MST Saturday. * IMPACTS...Travel could be hazardous at times due to slick roads and poor visibility, especially over South Pass. Patchy blowing snow could significantly reduce visibility. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
628 WWUS45 KRIW 130943 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 243 AM MST Sat Feb 13 2021 ...Significant Snow West and South and Dangerous Wind Chills East... .A quick moving system will result in another round of significant snow over western and southern areas today into this evening. An Arctic air mass over the east and south combined with breezy winds will result in dangerous wind chills today into Sunday. Also breezy winds will result in areas of blowing snow especially over the south tonight. WYZ011-019-020-022-132200- /O.NEW.KRIW.WC.W.0001.210213T0943Z-210214T1800Z/ Southeast Johnson County-Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain- Including the cities of Kaycee, Jeffrey City, and Casper 243 AM MST Sat Feb 13 2021 ...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Dangerously cold wind chills. Wind chills between 25 and 35 below zero. North to northwest winds will pick up around noon and remain breezy through tonight. An inch or two of snow is also expected today. * WHERE...Southern Johnson County, Green Mountains and Rattlesnake Range, and Natrona County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves, and try to stay out of the wind. && $$ WYZ012-132200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Teton and Gros Ventre Mountains- 243 AM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow and areas of blowing snow. Additional snow accumulations of 4 to 8 inches. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be hazardous at times. These conditions will impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather and severely reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-132200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 243 AM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Star Valley and Jackson Hole. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult at times due to slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-132200- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Salt River and Wyoming Ranges- 243 AM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow and areas of blowing snow. Additional snow accumulations of 3 to 6 inches. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-132200- /O.NEW.KRIW.WC.Y.0002.210213T0943Z-210214T1800Z/ Northeast Johnson County- Including the city of Buffalo 243 AM MST Sat Feb 13 2021 ...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Very cold wind chills. Wind chills between 20 and 30 below zero. * WHERE...Northern Johnson County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves and try to stay out of the wind. && $$ WYZ028>030-132200- /O.EXB.KRIW.WW.Y.0011.210213T1200Z-210214T1200Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 243 AM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow and areas of blowing snow. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 40 mph. * WHERE...Sweetwater County. * WHEN...Until 5 AM MST Sunday. The heaviest snow will occur today, followed by significant blowing snow tonight. * IMPACTS...Plan on slippery road conditions including along Interstate 80. Dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends and relatives. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ027-132200- /O.EXB.KRIW.WW.Y.0011.210213T1200Z-210214T1200Z/ South Lincoln County- Including the cities of Kemmerer and Cokeville 243 AM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow. Total snow accumulations of 2 to 4 inches. * WHERE...South Lincoln County. * 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. && $$ WYZ001-002-132200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 243 AM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling and please share your travel plans with friends or relatives. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-132200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Upper Green River Basin Foothills- Including the city of Pinedale 243 AM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling on US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-132200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Wind River Mountains West- 243 AM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow with areas of blowing snow. Additional snow accumulations of 3 to 6 inches. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be hazardous at times due to slick roads and poor visibility, especially over South Pass. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Team Riverton/21
552 WWUS45 KRIW 132042 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 142 PM MST Sat Feb 13 2021 ...Significant Snow West and South, and Dangerous Wind Chills East... .A quick moving system will result in another round of significant snow over western and southern areas today into this evening. An Arctic air mass over the east and south combined with breezy winds will result in dangerous wind chills today into Sunday. Also breezy winds will result in areas of blowing snow especially over the south tonight. WYZ012-140600- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Teton and Gros Ventre Mountains- 142 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. New snow accumulations of 3 to 6 inches. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be hazardous at times. These conditions will impact commutes, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather and severely reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ013-023-140600- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 142 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. New snowfall of 1 to 2 inches in the Jackson Valley and 2 to 3 inches in the Star Valley. * WHERE...Star Valley and Jackson Hole. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be difficult at times due to slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ024-140600- /O.CON.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Salt River and Wyoming Ranges- 142 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow and areas of blowing snow. Additional snowfall of 2 to 5 inches. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be difficult on Salt River Pass. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-019-020-022-140700- /O.CON.KRIW.WC.W.0001.000000T0000Z-210214T1800Z/ Southeast Johnson County-Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain- Including the cities of Kaycee, Jeffrey City, and Casper 142 PM MST Sat Feb 13 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Dangerously cold wind chills. Wind chills between 25 and 35 below zero. North to northeast wind of 15 to 25 mph will occur through tonight. An inch or two of snow is also expected through tonight. * WHERE...Southern Johnson County, Green Mountains and Rattlesnake Range, and Natrona County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves, and try to stay out of the wind. && $$ WYZ001-002-140600- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 142 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. New snow accumulations of 1 to 2 inches in places. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be very difficult, especially along US 14, 16, and 20 from Wapiti to Pahaska west of Cody. Patchy blowing snow could significantly reduce visibility. Dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling and please share your travel plans with friends or relatives. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ025-140600- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Upper Green River Basin Foothills- Including the city of Pinedale 142 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be difficult with slick roads and poor visibility. The hazardous conditions could impact commuters traveling on US 189 and 191 between the Daniel and Hoback Junction. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ014-140600- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Wind River Mountains West- 142 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Periods of snow with areas of blowing snow. Additional snow accumulations of 2 to 3 inches. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...Until 11 PM MST. * IMPACTS...Travel could be hazardous at times due to slick roads and poor visibility, especially over South Pass. Cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Those planning outdoor activities should be prepared for adverse winter weather. Periods of whiteout conditions will be likely in the backcountry and disorientation will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends or relatives. Please monitor the Bridger-Teton Avalanche Center at JHAVALANCHE.ORG, if your plans include travel into the back country. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ028>030-140700- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T1200Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 142 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow and areas of blowing snow. Total snow accumulations of 2 to 4 inches. Northeast wind gusting 25 to 40 mph. * WHERE...Sweetwater County. * WHEN...Until 5 AM MST Sunday. The heaviest snow will occur until mid evening, followed by significant blowing snow tonight. * IMPACTS...Plan on slippery road conditions including along Interstate 80. Dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends and relatives. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ027-140700- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T1200Z/ South Lincoln County- Including the cities of Kemmerer and Cokeville 142 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow. Total snow accumulations of 2 to 4 inches. * WHERE...South Lincoln County. * 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. && $$ WYZ010-140700- /O.CON.KRIW.WC.Y.0002.000000T0000Z-210214T1800Z/ Northeast Johnson County- Including the city of Buffalo 142 PM MST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Very cold wind chills. Wind chills between 20 and 30 below zero. * WHERE...Northern Johnson County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves and try to stay out of the wind. && $$ For more information from the National Weather Service visit http://weather.gov/riw
840 WWUS45 KRIW 140600 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1100 PM MST Sat Feb 13 2021 ...Dangerous Wind Chills will be possible through Sunday morning over the South and East... .An Arctic air mass over the east and south, combined with breezy winds, will result in dangerous wind chills tonight into Sunday. Also breezy winds will result in areas of blowing snow, especially over the south, tonight. WYZ012-140700- /O.EXP.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Teton and Gros Ventre Mountains- 1100 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ013-023-140700- /O.EXP.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 1100 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ024-140700- /O.EXP.KRIW.WS.W.0003.000000T0000Z-210214T0600Z/ Salt River and Wyoming Ranges- 1100 PM MST Sat Feb 13 2021 ...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ001-002-140700- /O.EXP.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Yellowstone National Park-Absaroka Mountains- Including the cities of Lake, Mammoth, and Old Faithful 1100 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ025-140700- /O.EXP.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Upper Green River Basin Foothills- Including the city of Pinedale 1100 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ014-140700- /O.EXP.KRIW.WW.Y.0011.000000T0000Z-210214T0600Z/ Wind River Mountains West- 1100 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING... Snow has primarily ended across the area. Any additional snow will be very light. $$ WYZ011-019-020-022-141800- /O.CON.KRIW.WC.W.0001.000000T0000Z-210214T1800Z/ Southeast Johnson County-Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain- Including the cities of Kaycee, Jeffrey City, and Casper 1100 PM MST Sat Feb 13 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Dangerously cold wind chills. Wind chills between 25 and 35 below zero. North to northeast wind of 15 to 25 mph will occur through tonight. An inch or two of snow is also expected through tonight. * WHERE...Southern Johnson County, Green Mountains and Rattlesnake Range, and Natrona County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves, and try to stay out of the wind. && $$ WYZ028>030-141200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T1200Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Rock Springs, Green River, and Wamsutter 1100 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow and areas of blowing snow. Total snow accumulations of 2 to 4 inches. Northeast wind gusting 25 to 40 mph. * WHERE...Sweetwater County. * WHEN...Until 5 AM MST Sunday. The heaviest snow will occur until mid evening, followed by significant blowing snow tonight. * IMPACTS...Plan on slippery road conditions including along Interstate 80. Dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please share your travel plans with friends and relatives. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ027-141200- /O.CON.KRIW.WW.Y.0011.000000T0000Z-210214T1200Z/ South Lincoln County- Including the cities of Kemmerer and Cokeville 1100 PM MST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Periods of snow. Total snow accumulations of 2 to 4 inches. * WHERE...South Lincoln County. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. 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. && $$ WYZ010-141800- /O.CON.KRIW.WC.Y.0002.000000T0000Z-210214T1800Z/ Northeast Johnson County- Including the city of Buffalo 1100 PM MST Sat Feb 13 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Very cold wind chills. Wind chills between 20 and 30 below zero. * WHERE...Northern Johnson County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 20 minutes. * ADDITIONAL DETAILS...The most susceptible parts of the body to frostbite are the extremities such as fingers, toes and the tip of the nose. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves and try to stay out of the wind. && $$ 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 |
|---|---|---|---|---|
| Feb 10, 3:43 PM MST | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater and 1 more | 3 days |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.