Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 145, NWS Birmingham, AL

April 14, 1996Chilton County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 14, 1996, 7:33 PM CDT for Chilton County, Alabama. It was in force for 27 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
Apr 14, 1996, 7:33 PM CDT (00:33 UTC)
Expired
Apr 14, 1996, 8:00 PM CDT
In force
27 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Chilton County, AL

The radar

The Birmingham radar (KBMX), 36 km from the middle of the area, began a volume at 00:35 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 00:00Z, 0.6 hours before the alert went out and 37 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 1996-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 915 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 00:00Z on 1996-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
915 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1546 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:22 PM CDTSevere Thunderstorm WarningBMXElmore, Montgomery38 min
Apr 14, 7:41 PM CDTSevere Thunderstorm WarningBMXCoosa, Tallapoosa64 min
Apr 14, 8:05 PM CDTSevere Thunderstorm WarningBMXMacon40 min
Apr 14, 8:16 PM CDTSevere Thunderstorm WarningBMXClay, Talladega44 min
Apr 14, 8:28 PM CDTSevere Thunderstorm WarningBMXChambers, Lee47 min
Apr 14, 8:36 PM CDTSevere Thunderstorm WarningBMXCleburne, Randolph54 min
Apr 14, 8:36 PM CDTSevere Thunderstorm WarningBMXCalhoun54 min
Apr 14, 8:48 PM CDTSevere Thunderstorm WarningBMXBarbour, Bullock, Russell42 min
Apr 14, 9:08 PM CDTSevere Thunderstorm WarningBMXChambers, Lee37 min
Apr 14, 9:09 PM CDTSevere Thunderstorm WarningBMXChambers, Lee36 min
Apr 14, 9:31 PM CDTSevere Thunderstorm WarningBMXRussell29 min
Apr 15, 12:12 AM CDTSevere Thunderstorm WarningBMXLamar, Marion48 min
Apr 15, 12:35 AM CDTSevere Thunderstorm WarningBMXFranklin, Lawrence55 min
Apr 14, 9:19 PM CDTSevere Thunderstorm WarningBMXMuscogee56 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1996Every severe thunderstorm warning in 1996

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.