Alert archive / Alabama / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 53, NWS Birmingham, AL

May 1, 2022Lamar County, Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 1, 2022, 4:16 AM CDT for Lamar County, Pickens County, Alabama. It was in force for 44 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
May 1, 2022, 4:16 AM CDT (09:16 UTC)
Expired
May 1, 2022, 5:00 AM CDT
In force
44 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Lamar County, AL, Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 46 km from the middle of the area, began a volume at 09:17 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, 9.3 hours before the alert went out and 224 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 2022-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2092 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 2022-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
2092 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:57 AM CDTSpecial Weather StatementBMXLamar48 min
May 1, 4:30 AM CDTSpecial Weather StatementBMXFayette30 min
May 1, 4:54 AM CDTSpecial Weather StatementBMXFayette, Pickens51 min
May 1, 5:45 AM CDTSpecial Weather StatementBMXTuscaloosa45 min
May 1, 6:26 AM CDTSpecial Weather StatementBMXJefferson49 min
May 1, 7:10 AM CDTSpecial Weather StatementBMXTuscaloosa50 min
May 1, 8:00 AM CDTSpecial Weather StatementBMXTuscaloosa30 min
May 1, 8:33 AM CDTSpecial Weather StatementBMXTuscaloosa42 min
May 1, 9:56 AM CDTSpecial Weather StatementBMXBibb49 min
May 1, 12:26 PM CDTSpecial Weather StatementBMXLowndes34 min
May 1, 12:34 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery41 min
May 1, 2:34 PM CDTSpecial Weather StatementBMXBarbour26 min
May 1, 3:28 PM CDTSpecial Weather StatementBMXLowndes32 min
May 1, 3:54 PM CDTSpecial Weather StatementBMXLowndes36 min
May 1, 4:11 PM CDTSpecial Weather StatementBMXLowndes34 min
May 1, 4:37 PM CDTSpecial Weather StatementBMXAutauga23 min
May 1, 5:10 PM CDTSpecial Weather StatementBMXBibb35 min
May 1, 5:23 PM CDTSevere Thunderstorm WarningBMXBibb52 min
May 1, 5:57 PM CDTSpecial Weather StatementBMXShelby33 min
May 1, 6:00 PM CDTSpecial Weather StatementBMXBibb30 min
May 1, 6:12 PM CDTSpecial Weather StatementBMXChilton33 min
May 1, 6:30 PM CDTSpecial Weather StatementBMXShelby30 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.