Alert archive / Wyoming / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 94, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 15, 2024, 3:32 PM MDT for Goshen County, Platte County, Wyoming. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2024, 3:32 PM MDT (21:32 UTC)
- Expired
- Jul 15, 2024, 3:58 PM MDT
- In force
- 26 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Goshen County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 21:33 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, 9.5 hours before the alert went out and 324 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
- 7 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 2296 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 15, 2:33 PM MDT, 59 minutes earlier.
Area forecast discussion, Jul 15, 2:33 PM MDT, 59 minutes before
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</html>Hazardous weather outlook, Jul 15, 3:26 AM MDT, 12 hours 6 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 326 AM MDT Mon Jul 15 2024 NEZ002-003-019>021-054-055-095-096-WYZ101>119-160930- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 326 AM MDT Mon Jul 15 2024 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Isolated showers and thunderstorms will become scattered to numerous by this evening. The potential for severe thunderstorms exists. The primary hazards will lightning, brief heavy rainfall, and strong wind gusts up to 60mph. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Isolated severe thunderstorms are possible on Tuesday and Wednesday. Primary hazards will be strong wind gusts to 60mph and large, damaging hail. Hot temperatures will make a return to the area by the end of the week. .Spotter information statement... Spotter reports are encouraged today if severe weather is happening in your area. BW
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 4:01 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Jul 15, 5:02 PM MDT | Special Weather Statement | CYS | Converse | 43 min |
| Jul 15, 5:04 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 22 min |
| Jul 15, 4:46 PM MDT | Special Weather Statement | CYS | Box Butte, Sioux | 29 min |
| Jul 15, 5:20 PM MDT | Special Weather Statement | CYS | Box Butte | 40 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2024Every severe thunderstorm warning in 2024
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.