Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 64, NWS Houston/Galveston, TX

April 11, 1995Brazoria County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 11, 1995, 4:29 AM CDT for Brazoria County, Texas. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Apr 11, 1995, 4:29 AM CDT (09:29 UTC)
Expired
Apr 11, 1995, 5:00 AM CDT
In force
31 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Brazoria County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.5 hours before the alert went out and 240 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, Lake Charles Mun, LA at 00:00Z on 1995-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1670 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, Lake Charles Mun, LA at 00:00Z on 1995-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 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
1670 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
519 m²/s²
Significant tornado parameter
4.9
Supercell composite
23.5

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
Apr 10, 8:06 PM CDTSevere Thunderstorm WarningHGXMadison54 min
Apr 10, 9:11 PM CDTSevere Thunderstorm WarningHGXPolk49 min
Apr 11, 12:58 AM CDTSevere Thunderstorm WarningHGXJackson47 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.