Alert archive / Alabama / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 108, NWS Birmingham, AL

April 25, 2025Coosa County, Elmore County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 25, 2025, 5:50 PM CDT for Coosa County, Elmore County, Alabama. It was in force for 55 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
Apr 25, 2025, 5:50 PM CDT (22:50 UTC)
Expired
Apr 25, 2025, 6:45 PM CDT
In force
55 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Coosa County, AL, Elmore County, AL

The radar

The Maxwell AFB radar (KMXX), 46 km from the middle of the area, began a volume at 22:53 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 172 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2025-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2025-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
379 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 3:13 PM CDTSpecial Weather StatementBMXTuscaloosa32 min
Apr 25, 3:42 PM CDTSpecial Weather StatementBMXBlount33 min
Apr 25, 3:51 PM CDTSpecial Weather StatementBMXBibb24 min
Apr 25, 3:54 PM CDTSpecial Weather StatementBMXMarengo36 min
Apr 25, 4:24 PM CDTSevere Thunderstorm WarningBMXDallas, Hale, Marengo, Perry51 min
Apr 25, 4:36 PM CDTSpecial Weather StatementBMXEtowah24 min
Apr 25, 4:57 PM CDTSevere Thunderstorm WarningBMXAutauga, Bibb, Chilton, Dallas, Hale, Perry48 min
Apr 25, 5:26 PM CDTSpecial Weather StatementBMXTalladega34 min
Apr 25, 5:28 PM CDTSevere Thunderstorm WarningBMXAutauga, Chilton47 min
Apr 25, 6:01 PM CDTSpecial Weather StatementBMXTalladega44 min
Apr 25, 6:31 PM CDTSpecial Weather StatementBMXCalhoun, Cleburne29 min
Apr 25, 6:44 PM CDTSpecial Weather StatementBMXClay31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.