Alert archive / Alabama / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 193, NWS Birmingham, AL

October 12, 2022Bullock County, Macon County, Montgomery County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Oct 12, 2022, 2:49 PM CDT for Bullock County, Macon County, Montgomery County, Alabama. It was in force for 41 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, 2:49 PM CDT (19:49 UTC)
Expired
Oct 12, 2022, 3:30 PM CDT
In force
41 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bullock County, AL, Macon County, AL, Montgomery County, AL

The radar

The Maxwell AFB radar (KMXX), 34 km from the middle of the area, began a volume at 19:50 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

Birmingham, AL (KBMX), launched 12:00Z, 7.8 hours before the alert went out and 135 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 12:00Z on 2022-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 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, Birmingham, AL at 12:00Z on 2022-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
127 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 7:04 AM CDTSpecial Weather StatementBMXMarengo41 min
Oct 12, 7:07 AM CDTSevere Thunderstorm WarningBMXGreene, Hale, Marengo, Sumter38 min
Oct 12, 7:41 AM CDTSpecial Weather StatementBMXHale49 min
Oct 12, 7:42 AM CDTSpecial Weather StatementBMXMarengo48 min
Oct 12, 9:38 AM CDTSpecial Weather StatementBMXSumter52 min
Oct 12, 10:58 AM CDTSpecial Weather StatementBMXMarengo47 min
Oct 12, 11:14 AM CDTAreal Flood AdvisoryBMXMarengo, Sumter3 hr
Oct 12, 2:15 PM CDTSpecial Weather StatementBMXMontgomery45 min
Oct 12, 3:26 PM CDTSevere Thunderstorm WarningBMXBarbour, Bullock, Macon, Russell49 min
Oct 12, 3:54 PM CDTSpecial Weather StatementBMXBarbour51 min
Oct 12, 6:48 PM CDTSevere Thunderstorm WarningBMXMarion42 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.