Alert archive / Michigan / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 65, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 24, 2025, 7:55 PM EDT for Washtenaw County, Michigan. It was in force for 37 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 24, 2025, 7:55 PM EDT (23:55 UTC)
- Expired
- Jul 24, 2025, 8:32 PM EDT
- In force
- 37 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Washtenaw County, MI
The radar
The Detroit radar (KDTX), 58 km from the middle of the area, began a volume at 23:56 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 11.9 hours before the alert went out and 334 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
- 1673 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.0
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 2:41 PM EDT | Special Marine Warning | DTX | 94 min | |
| Jul 24, 2:41 PM EDT | Special Weather Statement | DTX | Bay, Midland, Saginaw | 64 min |
| Jul 24, 3:41 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 81 min |
| Jul 24, 3:58 PM EDT | Special Marine Warning | DTX | 58 min | |
| Jul 24, 4:03 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 57 min |
| Jul 24, 4:19 PM EDT | Special Marine Warning | DTX | 26 min | |
| Jul 24, 4:33 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 32 min |
| Jul 24, 4:38 PM EDT | Special Weather Statement | DTX | Saginaw | 22 min |
| Jul 24, 5:06 PM EDT | Special Weather Statement | DTX | Shiawassee | 39 min |
| Jul 24, 5:17 PM EDT | Special Weather Statement | DTX | Sanilac | 13 min |
| Jul 24, 5:37 PM EDT | Special Weather Statement | DTX | Sanilac | 53 min |
| Jul 24, 5:46 PM EDT | Special Weather Statement | DTX | Genesee | 44 min |
| Jul 24, 5:51 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw, Tuscola | 54 min |
| Jul 24, 6:07 PM EDT | Special Weather Statement | DTX | Lapeer | 38 min |
| Jul 24, 6:26 PM EDT | Special Weather Statement | DTX | Lapeer | 49 min |
| Jul 24, 6:40 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 24 min |
| Jul 24, 6:53 PM EDT | Special Weather Statement | DTX | Livingston | 82 min |
| Jul 24, 6:59 PM EDT | Special Weather Statement | DTX | Sanilac | 46 min |
| Jul 24, 7:25 PM EDT | Special Weather Statement | DTX | Genesee, Shiawassee | 80 min |
| Jul 24, 7:43 PM EDT | Special Weather Statement | DTX | Oakland | 62 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.