Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 41, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 27, 2021, 3:47 AM MST for Albany County, Carbon County, Wyoming. It took effect at Nov 28, 2021, 12:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 27, 2021, 3:47 AM MST (10:47 UTC)
- In effect from
- Nov 28, 2021, 12:00 AM MST
- Expired
- Nov 27, 2021, 2:20 PM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 10:46 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, 10.8 hours before the alert went out and 230 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
- 2794 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
037 WWUS75 KCYS 271047 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 347 AM MST Sat Nov 27 2021 WYZ110-272315- /O.NEW.KCYS.HW.A.0041.211128T0700Z-211129T0100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 347 AM MST Sat Nov 27 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...North Snowy Range Foothills which includes Arlington and Elk Mountain. * 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. There will be a high 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. && $$
1 follow-up statement
629 WWUS75 KCYS 272120 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 220 PM MST Sat Nov 27 2021 WYZ110-281200- /O.UPG.KCYS.HW.A.0041.211128T0700Z-211129T0100Z/ /O.NEW.KCYS.HW.W.0049.211128T0800Z-211129T0100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 220 PM MST Sat Nov 27 2021 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 6 PM MST SUNDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain. * WHEN...From 1 AM to 6 PM MST Sunday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Brothers
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 2:20 PM MST | High Wind Warning | CYS | Albany, Carbon | 28 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.