Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 125, NWS Birmingham, AL

April 20, 1995Winston County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 20, 1995, 4:26 PM CDT for Winston County, Alabama. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1995, 4:26 PM CDT (21:26 UTC)
Expired
Apr 20, 1995, 5:11 PM CDT
In force
45 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Winston County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.4 hours before the alert went out and 121 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, Birmingham, AL at 12:00Z on 1995-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 12:00Z on 1995-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1511 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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 20, 3:49 PM CDTSevere Thunderstorm WarningBMXLamar41 min
Apr 20, 4:05 PM CDTSevere Thunderstorm WarningBMXFayette, Marion40 min
Apr 20, 4:17 PM CDTTornado WarningBMXLamar23 min
Apr 20, 4:17 PM CDTTornado WarningBMXFayette, Marion43 min
Apr 20, 5:06 PM CDTSevere Thunderstorm WarningBMXLawrence69 min
Apr 20, 6:32 PM CDTSevere Thunderstorm WarningBMXLamar, Marion58 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995Every severe thunderstorm warning in 1995

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.