Alert archive / Wyoming / High Wind Warnings in 2025
High Wind Warning 58, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 20, 2025, 3:16 PM MST for 4 counties in Wyoming. It took effect at Dec 21, 2025, 2:00 PM MST. It was in force for 27 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 20, 2025, 3:16 PM MST (22:16 UTC)
- In effect from
- Dec 21, 2025, 2:00 PM MST
- Expired
- Dec 22, 2025, 5:00 PM MST
- In force
- 27 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 22:19 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, 10.3 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
- 1285 m above ground
- 0-6 km bulk shear
- 103 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this high wind warning went out at Dec 20, 1:31 PM MST, 1 hour 45 minutes earlier.
Area forecast discussion, Dec 20, 1:31 PM MST, 1 hour 45 minutes before
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</html>Hazardous weather outlook, Dec 20, 1:31 PM MST, 1 hour 45 minutes before
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<h1 id="headline">This service is currently unavailable.</h1>
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High Wind Warnings in Wyoming, 2025Every high wind warning in 2025
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.