Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 42, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 28, 2021, 2:23 AM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Nov 28, 2021, 6:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 28, 2021, 2:23 AM MST (09:23 UTC)
- In effect from
- Nov 28, 2021, 6:00 PM MST
- Expired
- Nov 28, 2021, 1:07 PM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 09:28 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
Denver, CO (KDNR), launched 00:00Z, 9.4 hours before the alert went out and 259 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
- 2268 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
426 WWUS75 KCYS 280923 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 223 AM MST Sun Nov 28 2021 WYZ110-282330- /O.CON.KCYS.HW.W.0049.000000T0000Z-211129T0100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 223 AM MST Sun Nov 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain. * WHEN...Until 6 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ106-282330- /O.NEW.KCYS.HW.A.0042.211129T0100Z-211129T1600Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 223 AM MST Sun Nov 28 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Central Laramie Range and Southwest Platte County which includes Bordeaux. * WHEN...From this evening through Monday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
1 follow-up statement
568 WWUS75 KCYS 282007 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 107 PM MST Sun Nov 28 2021 WYZ106-290600- /O.UPG.KCYS.HW.A.0042.211129T0100Z-211129T1600Z/ /O.NEW.KCYS.HW.W.0050.211129T0200Z-211129T1500Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 107 PM MST Sun Nov 28 2021 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 8 AM MST MONDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Laramie Range and Southwest Platte County including Bordeaux. * WHEN...From 7 PM this evening to 8 AM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ110-290100- /O.CON.KCYS.HW.W.0049.000000T0000Z-211129T0100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 107 PM MST Sun Nov 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain. * WHEN...Until 6 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Brothers
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 28, 1:07 PM MST | High Wind Warning | CYS | Albany, Laramie, Platte | 19 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.