Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 40, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 24, 2021, 2:07 AM MST for 4 counties in Wyoming. It took effect at Nov 25, 2021, 5:00 AM MST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2021, 2:07 AM MST (09:07 UTC)
- In effect from
- Nov 25, 2021, 5:00 AM MST
- Expired
- Nov 25, 2021, 1:28 PM MST
- In force
- 8 hr
- 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 09:07 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, 9.1 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
- 3600 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
878 WWUS75 KCYS 240907 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 207 AM MST Wed Nov 24 2021 WYZ110-250000- /O.EXP.KCYS.HW.W.0047.000000T0000Z-211124T0900Z/ /O.NEW.KCYS.HW.A.0040.211125T1200Z-211126T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 207 AM MST Wed Nov 24 2021 ...HIGH WIND WARNING HAS EXPIRED... ...HIGH WIND WATCH IN EFFECT FROM EARLY THURSDAY MORNING THROUGH EARLY FRIDAY MORNING... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...North Snowy Range Foothills. * WHEN...From early Thursday morning through early Friday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. 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. && $$ WYZ106-250000- /O.NEW.KCYS.HW.A.0040.211125T1200Z-211126T1200Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 207 AM MST Wed Nov 24 2021 ...HIGH WIND WATCH IN EFFECT FROM EARLY THURSDAY MORNING THROUGH EARLY FRIDAY MORNING... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From early Thursday morning through early Friday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ116-250000- /O.NEW.KCYS.HW.A.0040.211126T0000Z-211126T1200Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 207 AM MST Wed Nov 24 2021 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH EARLY FRIDAY MORNING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range. * WHEN...From Thursday afternoon through early Friday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. 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. && $$
4 follow-up statements
987 WWUS75 KCYS 242114 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 214 PM MST Wed Nov 24 2021 WYZ110-251200- /O.UPG.KCYS.HW.A.0040.211125T1200Z-211126T1200Z/ /O.NEW.KCYS.HW.W.0048.211125T1200Z-211126T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 214 PM MST Wed Nov 24 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 AM THURSDAY TO 11 AM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...From 5 AM Thursday to 11 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-251200- /O.CON.KCYS.HW.A.0040.211125T1200Z-211126T1200Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 214 PM MST Wed Nov 24 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...Central Laramie Range and Southwest Platte County including Interstate 25 near Bordeaux. * WHEN...From early Thursday morning through early Friday morning. * IMPACTS...Mainly to transportation. Travel could be difficult, especially for high profile vehicles. 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. && $$ WYZ116-251200- /O.CON.KCYS.HW.A.0040.211126T0000Z-211126T1200Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 214 PM MST Wed Nov 24 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range including Interstate 80 near Vedauwoo. * WHEN...From Thursday afternoon through early Friday morning. * IMPACTS...Mainly to transportation. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Brothers
327 WWUS75 KCYS 250439 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 939 PM MST Wed Nov 24 2021 WYZ106-251245- /O.UPG.KCYS.HW.A.0040.211125T1200Z-211126T1200Z/ /O.EXB.KCYS.HW.W.0048.211125T1500Z-211126T1800Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 939 PM MST Wed Nov 24 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 AM THURSDAY TO 11 AM MST FRIDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From 8 AM Thursday to 11 AM MST Friday. * 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. && $$ WYZ110-251245- /O.CON.KCYS.HW.W.0048.211125T1200Z-211126T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 939 PM MST Wed Nov 24 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO 11 AM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...From 5 AM Thursday to 11 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ116-251245- /O.CON.KCYS.HW.A.0040.211126T0000Z-211126T1200Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 939 PM MST Wed Nov 24 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range including Interstate 80 near Vedauwoo. * WHEN...From Thursday afternoon through early Friday morning. * IMPACTS...Mainly to transportation. Travel could be difficult, especially for high profile vehicles. 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. && $$
815 WWUS75 KCYS 250927 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 227 AM MST Thu Nov 25 2021 WYZ110-252200- /O.CON.KCYS.HW.W.0048.211125T1200Z-211126T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 227 AM MST Thu Nov 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...Until 11 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-252200- /O.CON.KCYS.HW.W.0048.211125T1500Z-211126T1800Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 227 AM MST Thu Nov 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 AM MST FRIDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From 8 AM Thursday to 11 AM MST Friday. * 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. && $$ WYZ116-252200- /O.CON.KCYS.HW.A.0040.211126T0000Z-211126T1200Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 227 AM MST Thu Nov 25 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range including Interstate 80 near Vedauwoo. * WHEN...From Thursday afternoon through early Friday morning. * IMPACTS...Mainly to transportation. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
980 WWUS75 KCYS 252028 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 128 PM MST Thu Nov 25 2021 WYZ116-261200- /O.UPG.KCYS.HW.A.0040.211126T0000Z-211126T1200Z/ /O.EXA.KCYS.HW.W.0048.000000T0000Z-211126T1800Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 128 PM MST Thu Nov 25 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...South Laramie Range including the Interstate 80 Summit between Laramie and Cheyenne. * WHEN...Now until 11 AM MST Friday. * 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. && $$ WYZ106-110-261200- /O.CON.KCYS.HW.W.0048.000000T0000Z-211126T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 128 PM MST Thu Nov 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins, Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 11 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 8:03 PM MST | High Wind Warning | CYS | Albany, Carbon | 6 hr |
| Nov 24, 1:56 AM MST | Fire Weather Watch | CYS | 12 hr | |
| Nov 24, 2:14 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 55 hr |
| Nov 24, 2:22 PM MST | Red Flag Warning | CYS | 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.