Alert archive / Alabama / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 103, NWS Birmingham, AL

July 29, 2024Coosa County, Elmore County, Tallapoosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 29, 2024, 6:08 PM CDT for Coosa County, Elmore County, Tallapoosa County, Alabama. It was in force for 33 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 29, 2024, 6:08 PM CDT (23:08 UTC)
Expired
Jul 29, 2024, 6:41 PM CDT
In force
33 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, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 39 km from the middle of the area, began a volume at 23:12 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, 11.1 hours before the alert went out and 159 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 2024-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 848 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 2024-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
848 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 2:25 AM CDTHeat AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Chilton and 26 more5 days
Jul 29, 2:57 PM CDTSpecial Weather StatementBMXMontgomery33 min
Jul 29, 4:10 PM CDTSpecial Weather StatementBMXAutauga35 min
Jul 29, 4:29 PM CDTSpecial Weather StatementBMXMarshall31 min
Jul 29, 4:57 PM CDTSpecial Weather StatementBMXShelby33 min
Jul 29, 5:06 PM CDTSpecial Weather StatementBMXCherokee, Etowah54 min
Jul 29, 5:18 PM CDTSevere Thunderstorm WarningBMXCherokee57 min
Jul 29, 5:25 PM CDTSpecial Weather StatementBMXCoosa65 min
Jul 29, 5:35 PM CDTSpecial Weather StatementBMXLee25 min
Jul 29, 5:37 PM CDTSpecial Weather StatementBMXCalhoun53 min
Jul 29, 6:04 PM CDTSpecial Weather StatementBMXTallapoosa41 min
Jul 29, 6:14 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne61 min
Jul 29, 6:57 PM CDTSpecial Weather StatementBMXChambers48 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.