Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 37, NWS Lake Charles, LA

April 20, 1993Angelina County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 20, 1993, 8:14 AM CDT for Angelina County, Texas. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1993, 8:14 AM CDT (13:14 UTC)
Expired
Apr 20, 1993, 9:00 AM CDT
In force
46 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Angelina County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 1.2 hours before the alert went out and 122 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, Longview/Gregg, TX at 12:00Z on 1993-04-20Temperature 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, Longview/Gregg, TX at 12:00Z on 1993-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -172 square meters per square second.19395878Sfc1 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
1131 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-172 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993

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.