Alert archive / Alabama / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 196, NWS Birmingham, AL

October 12, 2022Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Oct 12, 2022, 7:25 PM CDT for Lamar County, Marion County, Alabama. It was in force for 50 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
Oct 12, 2022, 7:25 PM CDT (00:25 UTC)
Expired
Oct 12, 2022, 8:15 PM CDT
In force
50 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Lamar County, AL, Marion County, AL

The radar

The Columbus AFB radar (KGWX), 32 km from the middle of the area, began a volume at 00:28 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

Little Rock, AR (KLZK), launched 00:00Z, 0.4 hours before the alert went out and 204 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, Little Rock, AR at 00:00Z on 2022-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 278 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, Little Rock, AR at 00:00Z on 2022-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
278 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1252 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 8:08 PM CDTSevere Thunderstorm WarningBMXFayette, Marion, Walker20 min
Oct 12, 8:29 PM CDTSpecial Weather StatementBMXWalker31 min
Oct 13, 12:03 AM CDTSpecial Weather StatementBMXLamar57 min
Oct 13, 12:07 AM CDTSpecial Weather StatementBMXPickens53 min
Oct 13, 12:08 AM CDTSpecial Weather StatementBMXBlount37 min
Oct 13, 12:14 AM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Pickens46 min
Oct 13, 12:27 AM CDTSpecial Weather StatementBMXBlount, Etowah78 min
Oct 13, 12:42 AM CDTSpecial Weather StatementBMXPickens, Tuscaloosa48 min
Oct 13, 12:51 AM CDTSpecial Weather StatementBMXSt. Clair54 min
Oct 13, 1:26 AM CDTSpecial Weather StatementBMXGreene, Hale, Sumter49 min
Oct 13, 1:32 AM CDTSpecial Weather StatementBMXCalhoun, Cherokee, Cleburne43 min
Oct 13, 1:40 AM CDTSpecial Weather StatementBMXShelby50 min
Oct 13, 2:31 AM CDTSpecial Weather StatementBMXChilton29 min
Oct 13, 2:53 AM CDTSpecial Weather StatementBMXCoosa, Elmore37 min
Oct 13, 3:08 AM CDTSpecial Weather StatementBMXLowndes, Montgomery37 min
Oct 13, 3:32 AM CDTSpecial Weather StatementBMXElmore28 min
Oct 13, 3:43 AM CDTSpecial Weather StatementBMXBullock, Lee, Macon, Montgomery47 min
Oct 13, 4:14 AM CDTSpecial Weather StatementBMXBullock, Lee, Russell46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2022Every severe thunderstorm warning in 2022

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.