Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 24, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Apr 10, 2021, 8:17 PM MDT for Albany County, Carbon County, Laramie County, Wyoming. It took effect at Apr 10, 2021, 11:00 PM MDT. It was in force for 9 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 10, 2021, 8:17 PM MDT (02:17 UTC)
- In effect from
- Apr 10, 2021, 11:00 PM MDT
- Expired
- Apr 11, 2021, 7:40 AM MDT
- In force
- 9 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 02:23 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, 2.3 hours before the alert went out and 274 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
- 3576 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
622 WWUS75 KCYS 110217 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 817 PM MDT Sat Apr 10 2021 WYZ110-116-117-111700- /O.UPG.KCYS.HW.A.0018.210411T0500Z-210411T1700Z/ /O.NEW.KCYS.HW.W.0024.210411T0500Z-210411T1700Z/ North Snowy Range Foothills-South Laramie Range- South Laramie Range Foothills- Including the cities of Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 817 PM MDT Sat Apr 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 PM MDT THIS EVENING THROUGH SUNDAY MORNING... * WHAT...Sustained west winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Rawlins and Laramie. The Interstate 80 Summit between Cheyenne and Laramie. * WHEN...11 PM MDT tonight until 11 AM MDT Sunday. * 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 a high risk for vehicle blow overs. 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 and result in hazardous travel conditions. && $$
2 follow-up statements
378 WWUS75 KCYS 110737 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 137 AM MDT Sun Apr 11 2021 WYZ110-116-117-111700- /O.CON.KCYS.HW.W.0024.000000T0000Z-210411T1700Z/ North Snowy Range Foothills-South Laramie Range- South Laramie Range Foothills- Including the cities of Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 137 AM MDT Sun Apr 11 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MDT THIS MORNING... * WHAT...Sustained west winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Rawlins and Laramie. The Interstate 80 Summit between Cheyenne and Laramie. * WHEN...11 PM MDT tonight until 11 AM MDT Sunday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
597 WWUS75 KCYS 111340 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 740 AM MDT Sun Apr 11 2021 WYZ110-116-117-111445- /O.CAN.KCYS.HW.W.0024.000000T0000Z-210411T1700Z/ North Snowy Range Foothills-South Laramie Range- South Laramie Range Foothills- Including the cities of Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 740 AM MDT Sun Apr 11 2021 ...HIGH WIND WARNING IS CANCELLED... Gusty winds have subsided as the surface cold front continues to move southeast into Colorado. Therefore, have cancelled the High Wind Warning this morning. $$
Nearby
High Wind Warnings in Wyoming, 2021Every high wind 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.