Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 38, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Oct 29, 2021, 2:01 PM MDT for 4 counties in Wyoming. It took effect at Oct 29, 2021, 6:00 PM MDT. It was in force for 14 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 29, 2021, 2:01 PM MDT (20:01 UTC)
- In effect from
- Oct 29, 2021, 6:00 PM MDT
- Expired
- Oct 30, 2021, 8:02 AM MDT
- In force
- 14 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 20:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 29, 11:12 PM MDT | NON-TSTM WND GST 57 | 1 Nnw Arlington, WY | WYDOT SENSOR AT ARLINGTON. SUSTAINED WINDS 35 TO 45 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 8.0 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
- 1982 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
005 WWUS75 KCYS 292001 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 201 PM MDT Fri Oct 29 2021 WYZ106-110-301200- /O.UPG.KCYS.HW.A.0026.211030T0000Z-211030T1500Z/ /O.NEW.KCYS.HW.W.0038.211030T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 201 PM MDT Fri Oct 29 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...Central Laramie Range and Southwest Platte County and North Snowy Range Foothills. * WHEN...From 6 PM this evening to 9 AM MDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ Rubin
3 follow-up statements
290 WWUS75 KCYS 300221 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 821 PM MDT Fri Oct 29 2021 WYZ106-110-301200- /O.CON.KCYS.HW.W.0038.000000T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 821 PM MDT Fri Oct 29 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Central Laramie Range and Southwest Platte County including Interstate 25 near Bordeaux and North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...Until 9 AM MDT Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Brothers
791 WWUS75 KCYS 300831 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 231 AM MDT Sat Oct 30 2021 WYZ106-110-301500- /O.CON.KCYS.HW.W.0038.000000T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 231 AM MDT Sat Oct 30 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...West winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Central Laramie Range and Southwest Platte County including Interstate 25 near Bordeaux and North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...Until 9 AM MDT Saturday. * 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... 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. && $$
508 WWUS75 KCYS 301402 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 802 AM MDT Sat Oct 30 2021 WYZ106-110-301515- /O.CAN.KCYS.HW.W.0038.000000T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 802 AM MDT Sat Oct 30 2021 ...HIGH WIND WARNING IS CANCELLED... Wind speeds have dropped off considerably during the past couple of hours. Therefore, the High Wind Warning has been cancelled. If you are driving a high profile or a lightweight vehicle, continue to be extra cautious when driving through Arlington. Wind speeds are still gusting at speeds of 35 to 40 mph and may continue through the early afternoon. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 1:47 AM MDT | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 12 hr |
Nearby
High Wind Warnings in Wyoming, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.