Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 103, NWS Birmingham, AL

May 14, 1994Colbert County, Franklin County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 14, 1994, 4:49 PM CDT for Colbert County, Franklin County, Alabama. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
May 14, 1994, 4:49 PM CDT (21:49 UTC)
Expired
May 14, 1994, 5:45 PM CDT
In force
56 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Colbert County, AL, Franklin County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 206 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 1994-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 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 1994-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 390 square meters per square second.1939Sfc1 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
127 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
390 m²/s²
0-3 km storm-relative helicity
369 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
May 14, 4:34 PM CDTSevere Thunderstorm WarningBMXLamar, Marion56 min
May 14, 4:49 PM CDTSevere Thunderstorm WarningBMXLauderdale56 min
May 14, 5:17 PM CDTSevere Thunderstorm WarningBMXFayette, Pickens58 min
May 14, 5:45 PM CDTSevere Thunderstorm WarningBMXColbert, Franklin, Lawrence60 min
May 14, 5:45 PM CDTSevere Thunderstorm WarningBMXLauderdale60 min
May 14, 5:52 PM CDTSevere Thunderstorm WarningBMXTuscaloosa68 min
May 14, 6:16 PM CDTSevere Thunderstorm WarningBMXWalker59 min
May 14, 6:24 PM CDTSevere Thunderstorm WarningBMXLimestone, Morgan66 min
May 14, 6:41 PM CDTSevere Thunderstorm WarningBMXMadison64 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.