Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 112, NWS Birmingham, AL

May 14, 1994Blount County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 14, 1994, 7:01 PM CDT for Blount County, Alabama. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
May 14, 1994, 7:01 PM CDT (00:01 UTC)
Expired
May 14, 1994, 7:45 PM CDT
In force
44 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Blount County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 0.0 hours before the alert went out and 134 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, Centreville/Bibb, AL at 00:00Z on 1994-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1291 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 00:00Z on 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.193958Sfc1 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
1291 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.4

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
May 14, 7:17 PM CDTSevere Thunderstorm WarningBMXGreene43 min
May 14, 7:22 PM CDTSevere Thunderstorm WarningBMXTuscaloosa68 min
May 14, 7:31 PM CDTSevere Thunderstorm WarningBMXJefferson59 min
May 14, 7:38 PM CDTSevere Thunderstorm WarningBMXEtowah, St. Clair67 min
May 14, 7:43 PM CDTSevere Thunderstorm WarningBMXGreene37 min
May 14, 7:48 PM CDTSevere Thunderstorm WarningBMXDeKalb, Jackson, Marshall57 min
May 14, 7:48 PM CDTSevere Thunderstorm WarningBMXBibb, Chilton, Shelby42 min
May 14, 8:00 PM CDTSevere Thunderstorm WarningBMXHale45 min
May 14, 8:19 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee56 min
May 14, 8:32 PM CDTSevere Thunderstorm WarningBMXShelby43 min
May 14, 9:13 PM CDTSevere Thunderstorm WarningBMXTalladega62 min
May 15, 1:28 PM CDTSevere Thunderstorm WarningBMXMadison, Morgan62 min
May 15, 4:21 PM CDTSevere Thunderstorm WarningBMXEtowah31 min
May 15, 4:21 PM CDTSevere Thunderstorm WarningBMXCalhoun54 min
May 15, 4:38 PM CDTSevere Thunderstorm WarningBMXCherokee, Cleburne48 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1994Every severe thunderstorm warning in 1994

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.