Alert archive / Alabama / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 134, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 27, 2026, 5:35 AM CDT for Marion County, Alabama. It was in force for 40 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 27, 2026, 5:35 AM CDT (10:35 UTC)
- Expired
- Jul 27, 2026, 6:15 AM CDT
- In force
- 40 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Marion County, AL
The radar
The Columbus AFB radar (KGWX), 49 km from the middle of the area, began a volume at 10:37 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
Nashville Metro, TN (KBNA), launched 00:00Z, 10.6 hours before the alert went out and 251 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
- 2362 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.7
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:08 AM CDT | Special Weather Statement | BMX | Clay | 52 min |
| Jul 27, 5:10 AM CDT | Special Weather Statement | BMX | Talladega | 50 min |
| Jul 27, 5:12 AM CDT | Special Weather Statement | BMX | Winston | 48 min |
| Jul 27, 5:18 AM CDT | Special Weather Statement | BMX | Marion | 42 min |
| Jul 27, 5:31 AM CDT | Severe Thunderstorm Warning | BMX | Fayette, Marion, Walker, Winston | 44 min |
| Jul 27, 6:00 AM CDT | Special Weather Statement | BMX | Blount | 45 min |
| Jul 27, 6:01 AM CDT | Special Weather Statement | BMX | Walker | 44 min |
| Jul 27, 6:03 AM CDT | Special Weather Statement | BMX | Shelby | 42 min |
| Jul 27, 6:05 AM CDT | Special Weather Statement | BMX | Clay | 40 min |
| Jul 27, 6:11 AM CDT | Special Weather Statement | BMX | Fayette | 49 min |
| Jul 27, 6:21 AM CDT | Special Weather Statement | BMX | St. Clair | 54 min |
| Jul 27, 6:35 AM CDT | Special Weather Statement | BMX | Jefferson | 40 min |
| Jul 27, 6:37 AM CDT | Severe Thunderstorm Warning | BMX | St. Clair, Shelby, Talladega | 53 min |
| Jul 27, 7:01 AM CDT | Areal Flood Advisory | BMX | Clay, St. Clair, Talladega | 119 min |
| Jul 27, 7:09 AM CDT | Special Weather Statement | BMX | Talladega | 51 min |
| Jul 27, 7:24 AM CDT | Special Weather Statement | BMX | Chilton, Coosa, Shelby | 51 min |
| Jul 27, 8:06 AM CDT | Special Weather Statement | BMX | Elmore | 54 min |
| Jul 27, 5:42 PM CDT | Special Weather Statement | BMX | Hale | 33 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2026Every severe thunderstorm warning in 2026
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.