Alert archive / Wyoming / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 221, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 10, 2025, 6:43 PM MDT for Converse County, Niobrara County, Wyoming. It was in force for 32 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 10, 2025, 6:43 PM MDT (00:43 UTC)
- Expired
- Jul 10, 2025, 7:15 PM MDT
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Converse County, WY, Niobrara County, WY
The radar
The Cheyenne radar (KCYS), 208 km from the middle of the area, began a volume at 00:46 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 office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:08 PM MDT | Special Weather Statement | CYS | Niobrara | 37 min |
| Jul 10, 6:22 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 38 min |
| Jul 10, 6:37 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 21 min |
| Jul 10, 7:01 PM MDT | Special Weather Statement | CYS | Niobrara | 29 min |
| Jul 10, 7:05 PM MDT | Special Weather Statement | CYS | Converse | 25 min |
| Jul 10, 7:13 PM MDT | Special Weather Statement | CYS | Niobrara | 32 min |
| Jul 10, 7:28 PM MDT | Special Weather Statement | CYS | Niobrara | 32 min |
| Jul 10, 7:44 PM MDT | Special Weather Statement | CYS | Niobrara | 31 min |
| Jul 10, 8:01 PM MDT | Special Weather Statement | CYS | Niobrara | 44 min |
| Jul 10, 8:19 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 26 min |
| Jul 11, 2:21 PM MDT | Special Weather Statement | CYS | Albany | 24 min |
| Jul 11, 3:17 PM MDT | Special Weather Statement | CYS | 28 min | |
| Jul 11, 3:27 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 48 min |
| Jul 11, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 50 min |
| Jul 11, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 38 min |
| Jul 11, 4:36 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 39 min |
| Jul 11, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 38 min |
| Jul 11, 5:52 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 38 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2025Every severe thunderstorm 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; radar from the NEXRAD Level II archive.