Alert archive / Wyoming / Winter Storm Warnings in 2021
Winter Storm Warning 9, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Apr 18, 2021, 3:15 AM MDT for 5 counties in Wyoming. It took effect at Apr 18, 2021, 6:00 PM MDT. It was in force for 27 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
- Apr 18, 2021, 3:15 AM MDT (09:15 UTC)
- In effect from
- Apr 18, 2021, 6:00 PM MDT
- Expired
- Apr 19, 2021, 8:54 PM MDT
- In force
- 27 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Johnson County, WY, Natrona County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 103 km from the middle of the area, began a volume at 09:18 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 00:00Z, 9.3 hours before the alert went out and 98 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
- 1984 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
656 WWUS45 KRIW 180915 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 315 AM MDT Sun Apr 18 2021 ...A Winter Storm will impact northern Wyoming Sunday night through Monday... .A strong cold front will move into the region Sunday night bringing significant snowfall and gusty winds through Monday for many areas across northern Wyoming. WYZ008-009-190000- /O.UPG.KRIW.WS.A.0007.210419T0000Z-210420T0500Z/ /O.NEW.KRIW.WS.W.0009.210419T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 315 AM MDT Sun Apr 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 11 PM MDT MONDAY... * WHAT...Snow, heavy at times. Total snow accumulations of 10 to 15 inches with locally higher amounts possible. * WHERE...Bighorn Mountains West and Bighorn Mountains Southeast. * WHEN...From 6 PM this evening to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may become slick and snow covered. * ADDITIONAL DETAILS...Back country enthusiasts should be aware of rapidly dropping temperatures, gusty winds, and significant snowfall beginning Sunday evening. Be prepared, be safe. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-190000- /O.NEW.KRIW.WS.W.0009.210419T0300Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 315 AM MDT Sun Apr 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow, heavy at times. Total snow accumulations of 4 to 7 inches. Gusty winds of 15 to 20 mph with gusts up to 30 mph are possible. * WHERE...Northeast Johnson County. Highest snow amounts are expected around the Buffalo area. * WHEN...From 9 PM this evening to 6 PM MDT Monday. Heaviest snowfall is expected overnight and during the early morning hours Monday. * IMPACTS...Travel could be very difficult. Expect slick and snow covered roads for the Monday morning commute, especially around Buffalo and along Interstate 90. Gusty winds may significantly reduce visibility due to falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-190000- /O.NEW.KRIW.WW.Y.0024.210419T0300Z-210420T0000Z/ Southeast Johnson County- Including the city of Kaycee 315 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow, heavy at times. Total snow accumulations of 4 to 6 inches. * WHERE...Southeast Johnson County. * WHEN...From 9 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including along Interstate 25. Roads may become slick and snow covered. 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. && $$ WYZ002-190000- /O.NEW.KRIW.WW.Y.0024.210419T0000Z-210420T0000Z/ Absaroka Mountains- 315 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 8 inches, with locally higher amounts possible. * WHERE...Absaroka Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially along the Chief Joseph Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ005-007-190000- /O.NEW.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 315 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. Locally higher amounts are possible along and east of Wind River Canyon. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. 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. && $$ WYZ006-190000- /O.NEW.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 315 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches around Worland. 3 to 5 inches of snow expected near Tensleep and Big Trails, with locally higher amounts possible. * WHERE...Southeast Big Horn Basin. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
7 follow-up statements
913 WWUS45 KRIW 181756 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1156 AM MDT Sun Apr 18 2021 ...A late-season Winter Storm will impact northern Wyoming tonight through Monday... .A strong cold front will move into the region Sunday night bringing significant snowfall and gusty winds through Monday for many areas across northern and central Wyoming. WYZ008-009-190200- /O.CON.KRIW.WS.W.0009.210419T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 1156 AM MDT Sun Apr 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 PM MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 15 inches. * WHERE...Bighorn Mountains West and Bighorn Mountains Southeast. * WHEN...From 6 PM this evening to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may become slick and snow covered. * ADDITIONAL DETAILS...Back country enthusiasts should be aware of rapidly dropping temperatures, gusty winds, and significant snowfall beginning Sunday evening. Be prepared, be safe. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-190200- /O.CON.KRIW.WS.W.0009.210419T0300Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 1156 AM MDT Sun Apr 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 7 inches. * WHERE...Northeast Johnson County. Highest snow amounts are expected around the Buffalo area. * WHEN...From 9 PM this evening to 6 PM MDT Monday. Heaviest snowfall is expected overnight and during the early morning hours Monday. * IMPACTS...Travel could be very difficult. Expect slick and snow covered roads for the Monday morning commute, especially around Buffalo and along Interstate 90. Gusty winds may significantly reduce visibility due to falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ022-190200- /O.EXB.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Casper Mountain- 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 11 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...Casper Mountain. * WHEN...From 6 AM to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. 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. && $$ WYZ015-190200- /O.EXB.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Wind River Mountains East- 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 11 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...Wind River Mountains East. * WHEN...From 6 AM to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially over South Pass. Road closures are possible. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-190200- /O.CON.KRIW.WW.Y.0024.210419T0300Z-210420T0000Z/ Southeast Johnson County- Including the city of Kaycee 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. * WHERE...Southeast Johnson County. * WHEN...From 9 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including along Interstate 25. Roads may become slick and snow covered. 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. && $$ WYZ002-190200- /O.CON.KRIW.WW.Y.0024.210419T0000Z-210420T0000Z/ Absaroka Mountains- 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 8 inches. * WHERE...Absaroka Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially along the Chief Joseph Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ005-007-190200- /O.CON.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. Locally higher amounts are possible along and east of Wind River Canyon. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. 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. && $$ WYZ006-190200- /O.CON.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 1156 AM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches around Worland, 3 to 5 inches near Ten Sleep and Big Trails, with locally higher amounts possible. * WHERE...Southeast Big Horn Basin. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
401 WWUS45 KRIW 190000 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 600 PM MDT Sun Apr 18 2021 ...A late-season Winter Storm will impact northern Wyoming tonight through Monday... .A strong cold front will move into the region Sunday night bringing significant snowfall and gusty winds through Monday for many areas across northern and central Wyoming. WYZ008-009-191200- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 600 PM MDT Sun Apr 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 15 inches. * WHERE...Bighorn Mountains West and Bighorn Mountains Southeast. * WHEN...From 6 PM this evening to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may become slick and snow covered. * ADDITIONAL DETAILS...Back country enthusiasts should be aware of rapidly dropping temperatures, gusty winds, and significant snowfall beginning Sunday evening. Be prepared, be safe. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-191200- /O.CON.KRIW.WS.W.0009.210419T0300Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 600 PM MDT Sun Apr 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow, Moderate to Heavy snow expected. Total snow accumulations of 4 to 7 inches. * WHERE...Northeast Johnson County. Highest snow amounts are expected around the Buffalo area. * WHEN...From 9 PM this evening to 6 PM MDT Monday. Heaviest snowfall is expected overnight and during the early morning hours Monday. * IMPACTS...Travel could be very difficult. Expect slick and snow covered roads for the Monday morning commute, especially around Buffalo and along Interstate 90. Gusty winds may significantly reduce visibility due to falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-191200- /O.CON.KRIW.WW.Y.0024.210419T0300Z-210420T0000Z/ Southeast Johnson County- Including the city of Kaycee 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. * WHERE...Southeast Johnson County. * WHEN...From 9 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including along Interstate 25. Roads may become slick and snow covered. 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. && $$ WYZ002-191200- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Absaroka Mountains- 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 8 inches. * WHERE...Absaroka Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially along the Chief Joseph Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ005-007-191200- /O.CON.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. Locally higher amounts are possible along and east of Wind River Canyon. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. 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. && $$ WYZ006-191200- /O.CON.KRIW.WW.Y.0024.210419T0500Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches around Worland, 3 to 5 inches near Ten Sleep and Big Trails, with locally higher amounts possible. * WHERE...Southeast Big Horn Basin. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ022-191200- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Casper Mountain- 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 11 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...Casper Mountain. * WHEN...From 6 AM to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. 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. && $$ WYZ015-191200- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Wind River Mountains East- 600 PM MDT Sun Apr 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 11 PM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...Wind River Mountains East. * WHEN...From 6 AM to 11 PM MDT Monday. * IMPACTS...Travel could be very difficult, especially over South Pass. Road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
568 WWUS45 KRIW 190834 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 234 AM MDT Mon Apr 19 2021 ...A late-season Winter Storm will impact northern and central Wyoming through this evening... .A strong cold front will continue to move across the region bringing significant snowfall and gusty winds through this evening for many areas across northern and central Wyoming. WYZ008-009-200000- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 234 AM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 15 inches. * WHERE...Bighorn Mountains. * WHEN...Until 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may continue to be slick and snow covered into the daylight hours. * ADDITIONAL DETAILS...Back country enthusiasts should be aware of cold temperatures, gusty winds, and significant snowfall continuing through today. Be prepared, be safe. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-200000- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 234 AM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow, Moderate to Heavy snow expected. Total snow accumulations of 4 to 7 inches. * WHERE...Northeast Johnson County. Highest snow amounts are expected around the Buffalo area. * WHEN...Until 6 PM MDT this evening. Heaviest snowfall is expected through 9 AM this morning. * IMPACTS...Travel could be very difficult. Expect slick and snow covered roads for the morning commute, especially around Buffalo and along Interstate 90. Gusty winds may significantly reduce visibility due to falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ011-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Johnson County- Including the city of Kaycee 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...Southeast Johnson County. * WHEN...until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute, including along Interstate 25. Roads may become slick and snow covered. 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. && $$ WYZ002-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Absaroka Mountains- 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...Absaroka Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult, especially along the Chief Joseph Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ005-007-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. Locally higher amounts are possible along and east of Wind River Canyon. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. 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. && $$ WYZ006-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches around Worland, 3 to 5 inches near Ten Sleep and Big Trails, with locally higher amounts possible. * WHERE...Southeast Big Horn Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ022-200000- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Casper Mountain- 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...Casper Mountain. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. 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. && $$ WYZ015-200000- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Wind River Mountains East- 234 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...East slopes of the Wind River Mountains, including South Pass. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, especially over South Pass. Roads may become slick and snow covered. Road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit http://weather.gov/riw
842 WWUS45 KRIW 191056 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 456 AM MDT Mon Apr 19 2021 ...A late-season Winter Storm will impact northern and central Wyoming through this evening... .A strong cold front will continue to move across the region bringing significant snowfall and gusty winds through this evening for many areas across northern and central Wyoming. WYZ008-009-200000- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 456 AM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 15 inches. * WHERE...Bighorn Mountains. * WHEN...Until 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may continue to be slick and snow covered into the daylight hours. * ADDITIONAL DETAILS...Back country enthusiasts should be aware of cold temperatures, gusty winds, and significant snowfall continuing through today. Be prepared, be safe. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ010-200000- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 456 AM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow, Moderate to Heavy snow expected. Total snow accumulations of 4 to 7 inches. * WHERE...Northeast Johnson County. Highest snow amounts are expected around the Buffalo area. * WHEN...Until 6 PM MDT this evening. Heaviest snowfall is expected through 9 AM this morning. * IMPACTS...Travel could be very difficult. Expect slick and snow covered roads for the morning commute, especially around Buffalo and along Interstate 90. Gusty winds may significantly reduce visibility due to falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ020-200000- /O.EXA.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Natrona County Lower Elevations- Including the city of Casper 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow. Total accumulations of 3 to 5 inches. * WHERE...Natrona County Lower Elevations. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult at times. The hazardous conditions could impact the morning commute. Roads may become slick and snow covered, including along Highway 26 and Interstate 25 and in the Casper area this morning. 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. && $$ WYZ011-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Johnson County- Including the city of Kaycee 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...Southeast Johnson County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute, including along Interstate 25. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ002-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Absaroka Mountains- 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...Absaroka Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult, especially along the Chief Joseph Highway. 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. && $$ WYZ005-007-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. Locally higher amounts are possible along and east of Wind River Canyon. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ006-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches around Worland, 3 to 5 inches near Ten Sleep and Big Trails, with locally higher amounts possible. * WHERE...Southeast Big Horn Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. Roads may become slick and snow covered. 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. && $$ WYZ022-200000- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Casper Mountain- 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...Casper Mountain. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ015-200000- /O.CON.KRIW.WW.Y.0024.210419T1200Z-210420T0500Z/ Wind River Mountains East- 456 AM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 8 inches. * WHERE...East slopes of the Wind River Mountains, including South Pass. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, especially over South Pass. Roads may become slick and snow covered. Road closures are 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
939 WWUS45 KRIW 192105 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 305 PM MDT Mon Apr 19 2021 ...A late-season Winter Storm will impact northern and central Wyoming through this evening... .A strong cold front will continue producing significant snowfall and gusty winds through this evening for many areas of central Wyoming. WYZ010-192215- /O.CAN.KRIW.WS.W.0009.000000T0000Z-210420T0000Z/ Northeast Johnson County- Including the city of Buffalo 305 PM MDT Mon Apr 19 2021 ...WINTER STORM WARNING IS CANCELLED... Snowfall has decreased or even stopped in some areas. Isolated snow showers with periods of reduced visibility will continue overnight but accumulations will be minimal. $$ WYZ002-011-192215- /O.CAN.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Absaroka Mountains-Southeast Johnson County- Including the city of Kaycee 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Snowfall has decreased or even stopped in some areas. Isolated snow showers with periods of reduced visibility will continue overnight but accumulations will be minimal. $$ WYZ008-009-200030- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 305 PM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to two inches. * WHERE...Bighorn Mountains. * WHEN...Until 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may continue to be slick and snow covered into the daylight hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ005-007-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Southwest Big Horn Basin and Owl Creek and Bridger Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute, including around Thermopolis and through the Wind River Canyon. Roads may become slick and snow covered. 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. && $$ WYZ006-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Southeast Big Horn Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ022-200030- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0500Z/ Casper Mountain- 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Casper Mountain. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. 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. && $$ WYZ015-200030- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0500Z/ Wind River Mountains East- 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...East slopes of the Wind River Mountains, including South Pass. * WHEN...From 6 AM this morning through 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, especially over South Pass. Roads may become slick and snow covered. Road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ020-200000- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Natrona County Lower Elevations- Including the city of Casper 305 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Natrona County Lower Elevations. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult at times. The hazardous conditions could impact the morning commute. Roads may become slick and snow covered, including along Highway 26 and Interstate 25 and in the Casper area this morning. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
112 WWUS45 KRIW 192353 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 553 PM MDT Mon Apr 19 2021 ...Snow event winding down tonight... WYZ005-007-200100- /O.EXP.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southwest Big Horn Basin-Owl Creek and Bridger Mountains- Including the city of Thermopolis 553 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... Only a few snow showers will occur this evening with little or no accumulation. $$ WYZ006-200100- /O.EXP.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Southeast Big Horn Basin- Including the cities of Ten Sleep and Worland 553 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... Only a few snow showers will occur this evening with little or no accumulation. $$ WYZ020-200100- /O.EXP.KRIW.WW.Y.0024.000000T0000Z-210420T0000Z/ Natrona County Lower Elevations- Including the city of Casper 553 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... Snow will be ending early this evening with little or no additional accumulation. $$ WYZ008-009-200500- /O.CON.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 553 PM MDT Mon Apr 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow showers.Additional snow accumulations of up to two inches. * WHERE...Bighorn Mountains. * WHEN...Until 11 PM MDT. * IMPACTS...Travel could be very difficult, including over Powder River Pass. Roads may continue to be slick and snow covered into the daylight hours. 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. && $$ WYZ022-200500- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0500Z/ Casper Mountain- 553 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Casper Mountain. * WHEN...Until 11 PM MDT. * IMPACTS...Travel could be very difficult. Roads may become slick and snow covered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ015-200500- /O.CON.KRIW.WW.Y.0024.000000T0000Z-210420T0500Z/ Wind River Mountains East- 553 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches in the south half of the range. An inch or less of snow for the north half. * WHERE...East slopes of the Wind River Mountains, including South Pass. * WHEN...Until 11 PM MDT tonight. * IMPACTS...Travel could be very difficult, especially over South Pass. Roads may become slick and snow covered. Road closures are possible this evening. 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. && $$ For more information from the National Weather Service visit http://weather.gov/riw
679 WWUS45 KRIW 200254 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 854 PM MDT Mon Apr 19 2021 WYZ008-009-200400- /O.CAN.KRIW.WS.W.0009.000000T0000Z-210420T0500Z/ Bighorn Mountains West-Bighorn Mountains Southeast- 854 PM MDT Mon Apr 19 2021 ...WINTER STORM WARNING IS CANCELLED... Snow showers will continue overnight with new snowfall of a few inches. $$ WYZ015-022-200400- /O.CAN.KRIW.WW.Y.0024.000000T0000Z-210420T0500Z/ Wind River Mountains East-Casper Mountain- 854 PM MDT Mon Apr 19 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... A few snow showers will linger through late evening. Little additional accumulation will occur. $$ 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 |
|---|---|---|---|---|
| Apr 18, 3:15 AM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Johnson, Natrona, Park, Sublette and 1 more | 42 hr |
Nearby
Winter Storm Warnings in Wyoming, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.