Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 118, NWS Birmingham, AL

May 14, 1994DeKalb County, Jackson County, Marshall County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 14, 1994, 7:48 PM CDT for DeKalb County, Jackson County, Marshall County, Alabama. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 14, 1994, 7:48 PM CDT (00:48 UTC)
Expired
May 14, 1994, 8:45 PM CDT
In force
57 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties DeKalb County, AL, Jackson County, AL, Marshall County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.8 hours before the alert went out and 185 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 00:00Z on 1994-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 00:00Z on 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -95 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
13 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-95 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

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
May 14, 7:01 PM CDTSevere Thunderstorm WarningBMXBlount44 min
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 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.