Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 375, NWS Shreveport, LA

November 4, 1994Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 4, 1994, 4:36 PM CST for Cass County, Texas. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Nov 4, 1994, 4:36 PM CST (22:36 UTC)
Expired
Nov 4, 1994, 5:45 PM CST
In force
69 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Cass County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 10.6 hours before the alert went out and 84 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 1994-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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, Longview/Gregg, TX at 12:00Z on 1994-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.1939587897Sfc1 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
392 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.3

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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 4, 3:21 PM CSTSevere Thunderstorm WarningSHVCass69 min
Nov 4, 3:57 PM CSTSevere Thunderstorm WarningSHVHarrison, Marion63 min
Nov 4, 5:22 PM CSTSevere Thunderstorm WarningSHVLafayette, Miller68 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.