Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 26, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Oct 29, 2021, 1:47 AM MDT for 4 counties in Wyoming. It took effect at Oct 29, 2021, 6:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 29, 2021, 1:47 AM MDT (07:47 UTC)
- In effect from
- Oct 29, 2021, 6:00 PM MDT
- Expired
- Oct 29, 2021, 2:01 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 07:46 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
- 1844 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
044 WWUS75 KCYS 290747 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 147 AM MDT Fri Oct 29 2021 WYZ106-110-300000- /O.NEW.KCYS.HW.A.0026.211030T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 147 AM MDT Fri Oct 29 2021 ...HIGH WIND WATCH IN EFFECT FROM 6 PM FRIDAY TO 9 AM SATURDAY... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph possible. * 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...From 6 PM this evening to 9 AM Saturday morning. * 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 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. && $$ Kubelka
1 follow-up statement
005 WWUS75 KCYS 292001 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 201 PM MDT Fri Oct 29 2021 WYZ106-110-301200- /O.UPG.KCYS.HW.A.0026.211030T0000Z-211030T1500Z/ /O.NEW.KCYS.HW.W.0038.211030T0000Z-211030T1500Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 201 PM MDT Fri Oct 29 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...Central Laramie Range and Southwest Platte County and North Snowy Range Foothills. * WHEN...From 6 PM this evening to 9 AM MDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ Rubin
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 2:01 PM MDT | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 18 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.