Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 8, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Feb 5, 2021, 6:15 AM MST for Albany County, Carbon County, Laramie County, Wyoming. It took effect at Feb 5, 2021, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 5, 2021, 6:15 AM MST (13:15 UTC)
- In effect from
- Feb 5, 2021, 8:00 PM MST
- Expired
- Feb 5, 2021, 10:57 AM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 13:17 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 12:00Z, 1.3 hours before the alert went out and 274 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
- 1852 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
598 WWUS75 KCYS 051315 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 615 AM MST Fri Feb 5 2021 WYZ116-117-060000- /O.CAN.KCYS.HW.W.0011.000000T0000Z-210205T1800Z/ /O.NEW.KCYS.HW.A.0008.210206T0300Z-210206T1600Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 615 AM MST Fri Feb 5 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range and Adjacent Foothills including the Interstate 80 Summit between Laramie and Cheyenne. * WHEN...8 PM MST this evening until 11 AM MST Saturday. * 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. In addition, areas of blowing and drifting snow may result in locally reduced visibilities and slick spots on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ WYZ106-118-051415- /O.CAN.KCYS.HW.W.0011.000000T0000Z-210205T1800Z/ Central Laramie Range and Southwest Platte County- Central Laramie County- Including the cities of Bordeaux and Cheyenne 615 AM MST Fri Feb 5 2021 ...HIGH WIND WARNING IS CANCELLED... High wind gusts are no longer expected through this morning. Winds will increase again this afternoon and could become strong late tonight. However, wind gusts are expected to remain below 50 MPH. $$ WYZ110-060000- /O.NEW.KCYS.HW.A.0008.210206T0300Z-210206T1600Z/ /O.CON.KCYS.HW.W.0011.000000T0000Z-210205T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 615 AM MST Fri Feb 5 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph likely. Areas of blowing and drifting snow are also expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Strongest winds until 11 AM MST this morning, then from 8 PM MST this evening until 11 AM MST Saturday. * 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. In addition, areas of blowing and drifting snow may result in locally reduced visibilities and slick spots on 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. && $$ CLH
1 follow-up statement
571 WWUS75 KCYS 051757 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1057 AM MST Fri Feb 5 2021 WYZ110-060200- /O.EXP.KCYS.HW.W.0011.000000T0000Z-210205T1800Z/ /O.UPG.KCYS.HW.A.0008.210206T0300Z-210206T1600Z/ /O.NEW.KCYS.HW.W.0012.210206T0300Z-210206T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1057 AM MST Fri Feb 5 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST SATURDAY... ...HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain. * WHEN...From 8 PM this evening to 11 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. In addition, areas of blowing and drifting snow may result in locally reduced visibilities and slick spots on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ116-117-060200- /O.UPG.KCYS.HW.A.0008.210206T0300Z-210206T1600Z/ /O.NEW.KCYS.HW.W.0012.210206T0300Z-210206T1800Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1057 AM MST Fri Feb 5 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST SATURDAY... * WHAT...West to northwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and South Laramie Range Foothills including the Interstate 80 Summit, Buford, and Vedauwoo. * WHEN...From 8 PM this evening to 11 AM MST Saturday. * 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. && $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 10:57 AM MST | High Wind Warning | CYS | Albany, Carbon, Laramie | 16 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.