Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 23, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Oct 24, 2021, 4:46 AM MDT for Albany County, Carbon County, Wyoming. It took effect at Oct 25, 2021, 9:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 24, 2021, 4:46 AM MDT (10:46 UTC)
- In effect from
- Oct 25, 2021, 9:00 AM MDT
- Expired
- Oct 24, 2021, 2:32 PM MDT
- 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 10:50 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
- 1539 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
169 WWUS75 KCYS 241046 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 446 AM MDT Sun Oct 24 2021 WYZ104-109-110-242215- /O.NEW.KCYS.HW.A.0023.211025T1500Z-211026T0300Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- North Snowy Range Foothills- Including the cities of Seminoe Dam, Rawlins, Arlington, and Elk Mountain 446 AM MDT Sun Oct 24 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains, Central Carbon County and North Snowy Range Foothills. * WHEN...From Monday morning through Monday evening. * IMPACTS...Mainly to transportation. Strong cross winds may be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a risk for vehicle blow overs, particularly along Interstate 80 near Arlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$
1 follow-up statement
039 WWUS75 KCYS 242032 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 232 PM MDT Sun Oct 24 2021 WYZ104-109-110-251200- /O.UPG.KCYS.HW.A.0023.211025T1500Z-211026T0300Z/ /O.NEW.KCYS.HW.W.0035.211025T0600Z-211026T1200Z/ Ferris/Seminoe/Shirley Mountains-Central Carbon County- North Snowy Range Foothills- Including the cities of Seminoe Dam, Rawlins, Arlington, and Elk Mountain 232 PM MDT Sun Oct 24 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT TUESDAY... * WHAT...West to southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Much of Interstate 80 west of Laramie. Ferris, Seminoe, and Shirley Mountains. This also includes Rawlins, Saratoga, and Muddy Gap. * WHEN...From midnight tonight until 6 AM MDT Tuesday. High winds are likely to persist through Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ113-251200- /O.NEW.KCYS.HW.W.0035.211025T0600Z-211026T1200Z/ Upper North Platte River Basin- Including the cities of Saratoga and Encampment 232 PM MDT Sun Oct 24 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT TUESDAY... * WHAT...West to southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Much of Interstate 80 west of Laramie. Ferris, Seminoe, and Shirley Mountains. This also includes Rawlins, Saratoga, and Muddy Gap. * WHEN...From midnight tonight until 6 AM MDT Tuesday. High winds are likely to persist through Tuesday. * 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, particularly along north to south oriented roadways. 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. && $$ SF/CLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 2:32 PM MDT | High Wind Warning | CYS | Albany, Carbon | 59 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.