Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 142, NWS Birmingham, AL

April 14, 1996Jefferson County, Shelby County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 14, 1996, 6:44 PM CDT for Jefferson County, Shelby County, Alabama. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 14, 1996, 6:44 PM CDT (23:44 UTC)
Expired
Apr 14, 1996, 7:45 PM CDT
In force
61 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Jefferson County, AL, Shelby County, AL

The radar

The Birmingham radar (KBMX), 26 km from the middle of the area, began a volume at 23:58 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.

What was reported inside it

TimeReportWhereRemark
Apr 14, 7:15 PM CDTThunderstorm Wind 58Birmingham, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.7 hours before the alert went out and 25 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 1996-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1269 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 13, 8:40 PM CDTSevere Thunderstorm WarningBMXRussell35 min
Apr 14, 4:20 PM CDTSevere Thunderstorm WarningBMXSumter40 min
Apr 14, 4:52 PM CDTTornado WarningBMXSumter38 min
Apr 14, 5:12 PM CDTTornado WarningBMXGreene, Pickens48 min
Apr 14, 5:35 PM CDTSevere Thunderstorm WarningBMXHale, Perry40 min
Apr 14, 5:47 PM CDTTornado WarningBMXTuscaloosa58 min
Apr 14, 5:49 PM CDTSevere Thunderstorm WarningBMXBibb56 min
Apr 14, 5:57 PM CDTTornado WarningBMXGreene, Pickens33 min
Apr 14, 6:15 PM CDTSevere Thunderstorm WarningBMXHale, Perry45 min
Apr 14, 6:23 PM CDTSevere Thunderstorm WarningBMXLowndes52 min
Apr 14, 6:41 PM CDTSevere Thunderstorm WarningBMXBibb, Tuscaloosa34 min
Apr 14, 6:55 PM CDTSevere Thunderstorm WarningBMXAutauga35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.