Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 79, NWS Birmingham, AL

March 15, 1996Limestone County, Madison County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 15, 1996, 9:20 AM CST for Limestone County, Madison County, Alabama. It was in force for 55 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
Mar 15, 1996, 9:20 AM CST (15:20 UTC)
Expired
Mar 15, 1996, 10:15 AM CST
In force
55 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Limestone County, AL, Madison County, AL

What was reported inside it

TimeReportWhereRemark
Mar 15, 9:23 AM CSTHail 0.75Good Spring, 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

Nashville Metro, TN (KBNA), launched 12:00Z, 3.3 hours before the alert went out and 150 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, Nashville Metro, TN at 12:00Z on 1996-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 613 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, Nashville Metro, TN at 12:00Z on 1996-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897Sfc1 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
613 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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
Mar 15, 12:21 PM CSTSevere Thunderstorm WarningBMXDeKalb69 min
Mar 15, 12:33 PM CSTSevere Thunderstorm WarningBMXLimestone57 min
Mar 15, 12:48 PM CSTSevere Thunderstorm WarningBMXMadison57 min
Mar 15, 1:12 PM CSTSevere Thunderstorm WarningBMXCherokee48 min
Mar 15, 1:45 PM CSTSevere Thunderstorm WarningBMXMarshall60 min
Mar 15, 1:56 PM CSTSevere Thunderstorm WarningBMXDeKalb64 min
Mar 15, 2:03 PM CSTSevere Thunderstorm WarningBMXCherokee57 min
Mar 15, 2:52 PM CSTSevere Thunderstorm WarningBMXLauderdale68 min
Mar 15, 3:25 PM CSTSevere Thunderstorm WarningBMXSt. Clair35 min
Mar 15, 3:30 PM CSTSevere Thunderstorm WarningBMXTalladega60 min
Mar 15, 4:03 PM CSTSevere Thunderstorm WarningBMXClay42 min
Mar 15, 4:27 PM CSTSevere Thunderstorm WarningBMXRandolph48 min
Mar 15, 5:50 PM CSTSevere Thunderstorm WarningBMXLimestone55 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.