Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 97, NWS Houston/Galveston, TX

August 7, 1994Houston County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Aug 7, 1994, 7:52 PM CDT for Houston County, Texas. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Aug 7, 1994, 7:52 PM CDT (00:52 UTC)
Expired
Aug 7, 1994, 9:00 PM CDT
In force
68 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Houston County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 0.9 hours before the alert went out and 139 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 00:00Z on 1994-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 239 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 00:00Z on 1994-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
239 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
84 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 Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 7:12 PM CDTSevere Thunderstorm WarningHGXPolk34 min
Aug 7, 8:33 PM CDTSevere Thunderstorm WarningHGXSan Jacinto51 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.