Alert archive / Alabama / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 9, NWS Huntsville, AL

March 4, 2025DeKalb County, Jackson County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Mar 4, 2025, 10:27 PM CST for DeKalb County, Jackson 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
Mar 4, 2025, 10:27 PM CST (04:27 UTC)
Expired
Mar 4, 2025, 11:00 PM CST
In force
33 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties DeKalb County, AL, Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 38 km from the middle of the area, began a volume at 04:26 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.

IssuedProductOfficeLasted
Mar 4, 9:26 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.5 hours before the alert went out and 179 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, Birmingham, AL at 00:00Z on 2025-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2025-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1761 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
597 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 7:28 PM CSTSpecial Weather StatementHUNColbert, Lauderdale, Lawrence47 min
Mar 4, 8:08 PM CSTSpecial Weather StatementHUNCullman, Lawrence, Limestone, Morgan52 min
Mar 4, 8:27 PM CSTSevere Thunderstorm WarningHUNCullman, DeKalb, Lawrence, Marshall, Morgan63 min
Mar 4, 8:57 PM CSTSpecial Weather StatementHUNMadison48 min
Mar 4, 9:04 PM CSTSevere Thunderstorm WarningHUNJackson, Madison, Marshall, Morgan41 min
Mar 4, 9:26 PM CSTSevere Thunderstorm WarningHUNDeKalb, Jackson, Madison, Marshall64 min
Mar 4, 9:39 PM CSTSpecial Weather StatementHUNJackson51 min
Mar 4, 10:14 PM CSTSevere Thunderstorm WarningHUNJackson31 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.