Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 12, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Feb 24, 2021, 1:44 AM MST for 4 counties in Wyoming. It took effect at Feb 25, 2021, 5:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 24, 2021, 1:44 AM MST (08:44 UTC)
- In effect from
- Feb 25, 2021, 5:00 PM MST
- Expired
- Feb 25, 2021, 2:19 AM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 08:47 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, 8.7 hours before the alert went out and 278 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
- 3165 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
792 WWUS75 KCYS 240844 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 144 AM MST Wed Feb 24 2021 WYZ106-110-116-117-250000- /O.NEW.KCYS.HW.A.0012.210226T0200Z-210227T1200Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-South Laramie Range- South Laramie Range Foothills- Including the cities of Bordeaux, Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 144 AM MST Wed Feb 24 2021 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY NIGHT... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, North Snowy Range Foothills, South Laramie Range and South Laramie Range Foothills. Including towns of Arlington, Elk Mountain, Buford, and Bordeaux. * WHEN...From Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. 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. && $$
3 follow-up statements
368 WWUS75 KCYS 241934 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1234 PM MST Wed Feb 24 2021 WYZ110-250345- /O.UPG.KCYS.HW.A.0012.210226T0200Z-210227T1200Z/ /O.NEW.KCYS.HW.W.0018.210226T0000Z-210227T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1234 PM MST Wed Feb 24 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 PM THURSDAY TO 5 AM MST SATURDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Interstate 80 between Arlington and Elk Mountain. * WHEN...From 5 PM Thursday to 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow possible from light snow accumulations Wednesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ106-116-117-250345- /O.EXT.KCYS.HW.A.0012.210226T0000Z-210227T1200Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1234 PM MST Wed Feb 24 2021 ...HIGH WIND WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. Including the cities of Buford, Vedauwoo, Whitaker, and Bordeaux. * WHEN...5 PM Thursday to 5 AM Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow likely near the Interstate 80 Summit due to snow accumulations Wednesday night. 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. && $$
025 WWUS75 KCYS 250000 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 500 PM MST Wed Feb 24 2021 WYZ110-251200- /O.CON.KCYS.HW.W.0018.210226T0000Z-210227T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 500 PM MST Wed Feb 24 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Sustained west winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Interstate 80 between Arlington and Elk Mountain. * WHEN...From 5 PM Thursday to 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow may reduce visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ106-116-117-251200- /O.CON.KCYS.HW.A.0012.210226T0000Z-210227T1200Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 500 PM MST Wed Feb 24 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...Sustained west winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills, including Buford, Vedauwoo, Whitaker, and Bordeaux. * WHEN...5 PM Thursday to 5 AM Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow may reduce visibilities at times. 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. && $$
046 WWUS75 KCYS 250919 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 219 AM MST Thu Feb 25 2021 WYZ106-116-117-260000- /O.UPG.KCYS.HW.A.0012.210226T0000Z-210227T1200Z/ /O.EXB.KCYS.HW.W.0018.210226T0300Z-210227T0300Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 219 AM MST Thu Feb 25 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM MST FRIDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills, including Bordeaux, Buford, and Vedauwoo. * WHEN...From 8 PM this evening to 8 PM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow may reduce visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ110-260000- /O.CON.KCYS.HW.W.0018.210226T0000Z-210227T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 219 AM MST Thu Feb 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SATURDAY... * WHAT...Sustained west winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Interstate 80 between Arlington and Elk Mountain. * WHEN...From 5 PM Thursday to 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs. Patchy blowing snow may reduce visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 12:34 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 54 hr |
| Feb 24, 12:47 PM MST | Winter Weather Advisory | CYS | Albany, Laramie | 16 hr |
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.