Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Feb 2, 2021, 12:46 AM MST for 4 counties in Wyoming. It took effect at Feb 2, 2021, 11:00 PM MST. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 2, 2021, 12:46 AM MST (07:46 UTC)
- In effect from
- Feb 2, 2021, 11:00 PM MST
- Expired
- Feb 3, 2021, 1:45 AM MST
- In force
- 3 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 07:44 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, 7.8 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
- 2559 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
140 WWUS75 KCYS 020746 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1246 AM MST Tue Feb 2 2021 WYZ110-030015- /O.NEW.KCYS.HW.A.0007.210203T0600Z-210203T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1246 AM MST Tue Feb 2 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills in east central Carbon County and extreme west central Albany County. * WHEN...From this evening through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 near Arlington and Elk Mountain. 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. && $$ WYZ106-116-117-030015- /O.NEW.KCYS.HW.A.0007.210203T0900Z-210203T2100Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1246 AM MST Tue Feb 2 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 over the south Laramie Range and Interstate 25 near Bordeaux. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
3 follow-up statements
470 WWUS75 KCYS 021943 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1243 PM MST Tue Feb 2 2021 WYZ110-031200- /O.UPG.KCYS.HW.A.0007.210203T0600Z-210203T2100Z/ /O.NEW.KCYS.HW.W.0010.210203T0600Z-210204T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1243 PM MST Tue Feb 2 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST WEDNESDAY... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect from 11 PM this evening to 5 PM MST Wednesday. The High Wind Watch is no longer in effect. * WHAT...Southwest winds 35 to 45 mph with gusts around 65 mph possible. * WHERE...North Snowy Range Foothills in east central Carbon County and extreme west central Albany County. * WHEN...From late this evening through Wednesday afternoon. * Impacts...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 near Arlington and Elk Mountain. 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 and travel difficulties. && $$ WYZ106-116-117-031200- /O.CON.KCYS.HW.A.0007.210203T0900Z-210203T2100Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1243 PM MST Tue Feb 2 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 over the south Laramie Range and Interstate 25 near Bordeaux. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
430 WWUS75 KCYS 030403 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 903 PM MST Tue Feb 2 2021 WYZ110-031215- /O.CON.KCYS.HW.W.0010.210203T0600Z-210204T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 903 PM MST Tue Feb 2 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY... * WHAT...Southwest winds 35 to 45 mph with gusts around 65 mph possible. * WHERE...North Snowy Range Foothills in east central Carbon County and extreme west central Albany County. * WHEN...From late this evening through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 near Arlington and Elk Mountain. 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 and travel difficulties. && $$ WYZ107-031215- /O.EXA.KCYS.HW.A.0007.210203T0900Z-210203T2100Z/ East Platte County- Including the cities of Wheatland and Guernsey 903 PM MST Tue Feb 2 2021 ...HIGH WIND WATCH IN EFFECT FROM 2 AM MST WEDNESDAY THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...East Platte County County. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 25 between Wheatland and Glendo. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-116-117-031215- /O.CON.KCYS.HW.A.0007.210203T0900Z-210203T2100Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 903 PM MST Tue Feb 2 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 AM MST WEDNESDAY THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph possible. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Mainly to transportation. Significant blowoff and or blowover potential for lightweight and high profile vehicles on Interstate 80 over the South Laramie Range and Interstate 25 near Bordeaux. 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. && $$ Brothers
846 WWUS75 KCYS 030845 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 145 AM MST Wed Feb 3 2021 WYZ106-107-116-117-030945- /O.CAN.KCYS.HW.A.0007.210203T0900Z-210203T2100Z/ Central Laramie Range and Southwest Platte County- East Platte County-South Laramie Range- South Laramie Range Foothills- Including the cities of Bordeaux, Wheatland, Guernsey, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 145 AM MST Wed Feb 3 2021 ...HIGH WIND WATCH IS CANCELLED... Wind gusts around 50 MPH will still be possible this morning. However, winds are expected to remain below warning criteria. $$ WYZ110-040000- /O.CON.KCYS.HW.W.0010.000000T0000Z-210204T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 145 AM MST Wed Feb 3 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts around 65 mph possible. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 5 PM MST today. * 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... 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 |
|---|---|---|---|---|
| Feb 2, 12:53 AM MST | Winter Storm Watch | CYS | Albany, Carbon | 12 hr |
| Feb 2, 12:43 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 28 hr |
| Feb 2, 12:43 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 46 hr |
| Feb 2, 12:43 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Laramie | 40 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.