Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 83, NWS Birmingham, AL

April 27, 1994Lauderdale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 27, 1994, 2:51 PM CDT for Lauderdale County, Alabama. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 2:51 PM CDT (19:51 UTC)
Expired
Apr 27, 1994, 4:00 PM CDT
In force
69 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lauderdale County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.9 hours before the alert went out and 167 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 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2248 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 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
2248 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.4

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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 27, 1:24 PM CDTSevere Thunderstorm WarningBMXLawrence66 min
Apr 27, 2:01 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale59 min
Apr 27, 4:30 PM CDTSevere Thunderstorm WarningBMXMorgan60 min
Apr 27, 4:37 PM CDTSevere Thunderstorm WarningBMXMarshall58 min
Apr 27, 4:37 PM CDTSevere Thunderstorm WarningBMXLawrence58 min
Apr 27, 4:37 PM CDTSevere Thunderstorm WarningBMXCullman53 min
Apr 27, 5:07 PM CDTSevere Thunderstorm WarningBMXCherokee53 min
Apr 27, 5:22 PM CDTSevere Thunderstorm WarningBMXBlount53 min
Apr 27, 5:27 PM CDTSevere Thunderstorm WarningBMXCullman33 min
Apr 27, 5:41 PM CDTSevere Thunderstorm WarningBMXCleburne49 min
Apr 27, 5:57 PM CDTSevere Thunderstorm WarningBMXSt. Clair63 min
Apr 27, 6:00 PM CDTSevere Thunderstorm WarningBMXCullman30 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.