Alert archive / Alabama / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 150, NWS Birmingham, AL

August 29, 2024Bibb County, Chilton County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 29, 2024, 8:20 PM CDT for Bibb County, Chilton County, Alabama. It was in force for 24 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
Aug 29, 2024, 8:20 PM CDT (01:20 UTC)
Expired
Aug 29, 2024, 8:44 PM CDT
In force
24 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bibb County, AL, Chilton County, AL

The radar

The Birmingham radar (KBMX), 31 km from the middle of the area, began a volume at 01:24 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 00:00Z, 1.3 hours before the alert went out and 231 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 00:00Z on 2024-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 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 00:00Z on 2024-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.193958Sfc1 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
1002 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1933 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
7 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
Aug 29, 7:14 PM CDTSpecial Weather StatementBMXCoosa46 min
Aug 29, 8:03 PM CDTSpecial Weather StatementBMXChilton57 min
Aug 29, 8:45 PM CDTSpecial Weather StatementBMXBibb45 min
Aug 30, 2:54 PM CDTSpecial Weather StatementBMXMarion36 min
Aug 30, 2:55 PM CDTSpecial Weather StatementBMXCherokee35 min
Aug 30, 3:07 PM CDTSevere Thunderstorm WarningBMXLamar, Marion15 min
Aug 30, 3:23 PM CDTSpecial Weather StatementBMXMarion37 min
Aug 30, 3:39 PM CDTSevere Thunderstorm WarningBMXMarion14 min
Aug 30, 5:44 PM CDTSpecial Weather StatementBMXLee31 min
Aug 30, 5:51 PM CDTSpecial Weather StatementBMXMontgomery24 min
Aug 30, 6:38 PM CDTSpecial Weather StatementBMXCleburne37 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.