Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 27, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 4, 2021, 2:37 AM MDT for 4 counties in Wyoming. It took effect at Nov 4, 2021, 6:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 4, 2021, 2:37 AM MDT (08:37 UTC)
- In effect from
- Nov 4, 2021, 6:00 PM MDT
- Expired
- Nov 4, 2021, 1:30 PM MDT
- 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 08:38 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, 8.6 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
- 1898 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
652 WWUS75 KCYS 040837 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 237 AM MDT Thu Nov 4 2021 WYZ106-107-110-116-117-042100- /O.NEW.KCYS.HW.A.0027.211105T0000Z-211105T1800Z/ Central Laramie Range and Southwest Platte County- East Platte County-North Snowy Range Foothills- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Wheatland, Guernsey, Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 237 AM MDT Thu Nov 4 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH NOON FRIDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, East Platte County, North Snowy Range Foothills, South Laramie Range and South Laramie Range Foothills. * WHEN...From 8PM this evening through 12PM Friday. * IMPACTS...Mainly to transportation. Strong head winds and 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 Interstate 80 near Arlington and Buford, in addition to areas surrounding Wheatland along Interstate 25. 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. && $$ BMW
2 follow-up statements
593 WWUS75 KCYS 040853 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 253 AM MDT Thu Nov 4 2021 WYZ106-107-110-116-117-042100- /O.CON.KCYS.HW.A.0027.211105T0000Z-211105T1800Z/ Central Laramie Range and Southwest Platte County- East Platte County-North Snowy Range Foothills- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Wheatland, Guernsey, Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 253 AM MDT Thu Nov 4 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH NOON FRIDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range, South Laramie Range Foothills, East Platte County, Central Laramie Range and Southwest Platte County and North Snowy Range Foothills. * WHEN...From 6PM this evening through 12PM Friday. * IMPACTS...Mainly to transportation. Strong head winds and cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along Interstate 80 near Arlington and Buford, in addition to areas surrounding Wheatland along Interstate 25. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ BMW
292 WWUS75 KCYS 041930 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 130 PM MDT Thu Nov 4 2021 WYZ106-107-110-116-117-051200- /O.UPG.KCYS.HW.A.0027.211105T0000Z-211105T1800Z/ /O.NEW.KCYS.HW.W.0039.211105T0000Z-211105T1800Z/ Central Laramie Range and Southwest Platte County- East Platte County-North Snowy Range Foothills- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Wheatland, Guernsey, Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 130 PM MDT Thu Nov 4 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT FRIDAY... * WHAT...West winds 40 to 50 mph with gusts up to 65 mph expected. * WHERE...Central Laramie Range and Southwest Platte County, East Platte County, North Snowy Range Foothills, South Laramie Range and South Laramie Range Foothills. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Mainly to transportation. Strong head winds and 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 Interstate 80 near Arlington and Buford, in addition to areas surrounding Wheatland along Interstate 25. 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. && $$ NEZ019>021-054-055-096-WYZ108-118-119-051200- /O.NEW.KCYS.HW.A.0028.211105T0900Z-211105T1800Z/ Scotts Bluff County-Banner County-Morrill County-Kimball County- Cheyenne County-Southern Sioux County-Goshen County- Central Laramie County-East Laramie County- Including the cities of Scottsbluff, Gering, Harrisburg, Angora, Bridgeport, Bayard, Redington, Kimball, Sidney, Brownson, Agate, Torrington, Cheyenne, and Pine Bluffs 130 PM MDT Thu Nov 4 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...In Wyoming, Goshen County, Central Laramie County and East Laramie County. In Nebraska, Scotts Bluff County, Banner County, Morrill County, Kimball County, Cheyenne County and Southern Sioux County. * WHEN...From late tonight through Friday morning. * IMPACTS...Mainly to transportation. Strong head winds and cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 1:30 PM MDT | High Wind Watch | CYS | Goshen, Laramie | 13 hr |
| Nov 4, 1:30 PM MDT | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 26 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.