Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 97, NWS Birmingham, AL

May 13, 1994Greene County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 13, 1994, 2:10 PM CDT for Greene County, Alabama. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
May 13, 1994, 2:10 PM CDT (19:10 UTC)
Expired
May 13, 1994, 3:15 PM CDT
In force
65 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Greene County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.2 hours before the alert went out and 70 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 12:00Z on 1994-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 881 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, Centreville/Bibb, AL at 12:00Z on 1994-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
881 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
498 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 13, 3:15 PM CDTSevere Thunderstorm WarningBMXGreene50 min
May 13, 4:14 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar61 min
May 13, 4:30 PM CDTSevere Thunderstorm WarningBMXGreene52 min
May 13, 5:17 PM CDTSevere Thunderstorm WarningBMXLamar40 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.