Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 368, NWS Birmingham, AL

July 7, 1996Marshall County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 7, 1996, 11:32 PM CDT for Marshall County, Alabama. It was in force for 58 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
Jul 7, 1996, 11:32 PM CDT (04:32 UTC)
Expired
Jul 8, 1996, 12:30 AM CDT
In force
58 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Marshall County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.5 hours before the alert went out and 139 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 1996-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 314 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 1996-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
314 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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
Jul 7, 7:44 PM CDTSevere Thunderstorm WarningBMXLamar46 min
Jul 7, 9:09 PM CDTSevere Thunderstorm WarningBMXLauderdale66 min
Jul 7, 10:00 PM CDTFlash Flood WarningBMXBullock, Macon, Montgomery4 hr
Jul 7, 10:00 PM CDTFlash Flood WarningBMXDallas, Lowndes4 hr
Jul 7, 11:43 PM CDTSevere Thunderstorm WarningBMXJackson62 min
Jul 8, 3:09 PM CDTSevere Thunderstorm WarningBMXLawrence66 min
Jul 8, 5:25 PM CDTSevere Thunderstorm WarningBMXSumter65 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.