Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 265, NWS Austin/San Antonio, TX

December 17, 1995Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Dec 17, 1995, 3:49 AM CST for Lavaca County, Texas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Dec 17, 1995, 3:49 AM CST (09:49 UTC)
Expired
Dec 17, 1995, 4:45 AM CST
In force
56 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Lavaca County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.8 hours before the alert went out and 188 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, Corpus Christi, TX at 00:00Z on 1995-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 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, Corpus Christi, TX at 00:00Z on 1995-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
564 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 170950 RRA
SVRSAT
TXC285-171045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
349 AM CST SUN DEC 17 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...LAVACA COUNTY
 
AT 348 AM CDT A SEVERE THUNDERSTORM WAS LOCATED IN NORTHEAST DEWITT
COUNTY ABOUT 10 MILES SOUTHWEST OF YOAKUM. MOVEMENT WAS NORTHEAST
AT 30 MPH.
 
THIS STORM PRODUCED GOLFBALL SIZE HAIL NEAR THE CITY OF CUERO AT
327 AM.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM.
 
 
 
&

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 2:15 AM CSTSevere Thunderstorm WarningEWXLee45 min
Dec 17, 3:23 AM CSTSevere Thunderstorm WarningEWXDeWitt67 min
Dec 17, 3:26 AM CSTSevere Thunderstorm WarningEWXCalhoun64 min
Dec 17, 3:37 AM CSTSevere Thunderstorm WarningEWXGuadalupe53 min
Dec 17, 3:37 AM CSTSevere Thunderstorm WarningEWXGoliad53 min
Dec 17, 4:16 AM CSTSevere Thunderstorm WarningEWXGonzales44 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.