Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 48, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Dec 9, 2021, 2:02 PM MST for 5 counties in Wyoming. It took effect at Dec 10, 2021, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2021, 2:02 PM MST (21:02 UTC)
- In effect from
- Dec 10, 2021, 8:00 PM MST
- Expired
- Dec 10, 2021, 2:55 PM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 21:03 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, 9.0 hours before the alert went out and 264 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
- 2379 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
431 WWUS75 KCYS 092102 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 202 PM MST Thu Dec 9 2021 WYZ106-110-116-101200- /O.NEW.KCYS.HW.A.0048.211211T0300Z-211213T0000Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-South Laramie Range- Including the cities of Bordeaux, Arlington, Elk Mountain, Buford, Pumpkin Vine, and Vedauwoo 202 PM MST Thu Dec 9 2021 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, North Snowy Range Foothills and South Laramie Range, including Arlington, Vedauwoo, and Bordeaux. * WHEN...From Friday evening through Sunday afternoon. * IMPACTS...Travel could be difficult, especially for high profile vehicles. Significant blowing snow risk due to snowfall Thursday and Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. High Wind Watch means a hazardous high wind event is possible. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ LK
2 follow-up statements
624 WWUS75 KCYS 101011 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 311 AM MST Fri Dec 10 2021 WYZ107-110000- /O.EXB.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ East Platte County- Including the cities of Wheatland and Guernsey 311 AM MST Fri Dec 10 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...East Platte County including Wheatland and Glendo. * WHEN...From late this evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. Blowing snow due to recent snowfall could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ104-105-109-110000- /O.EXB.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, and Rawlins 311 AM MST Fri Dec 10 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin and Central Carbon County including Rawlins. * WHEN...From late this evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. Blowing snow due to recent snowfall could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ101-103-110000- /O.EXB.KCYS.HW.A.0048.211211T1200Z-211213T0000Z/ Converse County Lower Elevations-North Laramie Range- Including the cities of Douglas, Glenrock, Bill, Deer Creek, Garrett, and Esterbrook 311 AM MST Fri Dec 10 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. Gusts up to 75 MPH possible in the mountains. * WHERE...Converse County Lower Elevations and North Laramie Range. * WHEN...From late tonight through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. Blowing snow due to recent snowfall could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-116-110000- /O.EXT.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ Central Laramie Range and Southwest Platte County- South Laramie Range- Including the cities of Bordeaux, Buford, Pumpkin Vine, and Vedauwoo 311 AM MST Fri Dec 10 2021 ...HIGH WIND WATCH NOW IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, and South Laramie Range, including Vedauwoo, and Bordeaux. * WHEN...From late this evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. Blowing snow due to recent snowfall could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. High Wind Watch means a hazardous high wind event is possible. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-110000- /O.CON.KCYS.HW.A.0048.211211T0300Z-211213T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 311 AM MST Fri Dec 10 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...From Friday evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. Blowing snow due to recent snowfall could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. High Wind Watch means a hazardous high wind event is possible. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Brothers
707 WWUS75 KCYS 102155 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 255 PM MST Fri Dec 10 2021 WYZ107-116-111200- /O.UPG.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211211T0600Z-211213T0000Z/ East Platte County-South Laramie Range- Including the cities of Wheatland, Guernsey, Buford, Pumpkin Vine, and Vedauwoo 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY... * WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...East Platte County and South Laramie Range. * WHEN...From 11 PM this evening to 5 PM MST Sunday. * IMPACTS...Areas of blowing snow will also reduce the visibility at times to less than 1 mile. Travel will be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$ WYZ104-105-111200- /O.UPG.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211211T0600Z-211213T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Including the cities of Seminoe Dam, Medicine Bow, and Shirley Basin 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Ferris/Seminoe/Shirley Mountains and Shirley Basin. * WHEN...From 11 PM this evening to 5 PM MST Sunday. * IMPACTS...Patchy blowing snow will reduce the visibility to less than 1 mile at times. Travel will also be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$ WYZ110-111200- /O.UPG.KCYS.HW.A.0048.211211T0300Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211212T0000Z-211213T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST SUNDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...From 5 PM Saturday to 5 PM MST Sunday. * IMPACTS...Areas of blowing snow will also reduce the visibility at times to less than 1 mile. Travel will be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$ WYZ109-111200- /O.UPG.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211212T0000Z-211213T0000Z/ Central Carbon County- Including the city of Rawlins 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST SUNDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Central Carbon County. * WHEN...From 5 PM Saturday to 5 PM MST Sunday. * IMPACTS...Areas of blowing snow will also reduce the visibility at times to less than 1 mile. Travel will be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$ WYZ101-103-111200- /O.UPG.KCYS.HW.A.0048.211211T1200Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211211T1200Z-211213T0000Z/ Converse County Lower Elevations-North Laramie Range- Including the cities of Douglas, Glenrock, Bill, Deer Creek, Garrett, and Esterbrook 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 AM SATURDAY TO 5 PM MST SUNDAY... * WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Converse County Lower Elevations and North Laramie Range. * WHEN...From 5 AM Saturday to 5 PM MST Sunday. * IMPACTS...Areas of blowing snow will also reduce the visibility at times to less than 1 mile. Travel will be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$ WYZ106-111200- /O.UPG.KCYS.HW.A.0048.211211T0600Z-211213T0000Z/ /O.NEW.KCYS.HW.W.0055.211211T1800Z-211213T0000Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 255 PM MST Fri Dec 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM SATURDAY TO 5 PM MST SUNDAY... * WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From 11 AM Saturday to 5 PM MST Sunday. * IMPACTS...Areas of blowing snow will also reduce the visibility at times to less than 1 mile. Travel will be difficult, especially for high profile and lightweight vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. Use caution if you must drive. && $$
Nearby
High Wind Watches in Wyoming, 2021Every high wind watch 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.