Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 87, NWS Austin/San Antonio, TX

July 25, 1996Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 25, 1996, 7:04 PM CDT for Bexar County, Texas. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 25, 1996, 7:04 PM CDT (00:04 UTC)
Expired
Jul 25, 1996, 7:30 PM CDT
In force
26 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bexar County, TX

What was reported inside it

TimeReportWhereRemark
Jul 25, 7:15 PM CDTThunderstorm WindSan Antonio, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 223 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 1996-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 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 1996-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
505 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1627 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 260007 RRA
SVRSAT
TXC029-260030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
704 PM CDT THU JUL 25 1996

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL TEXAS

   ...BEXAR COUNTY

AT 701 PM NEXRAD DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
SOUTHERN BEXAR COUNTY...DEVELOPING SOUTHWARD AT 15 MILES AN HOUR.

THIS THUNDERSTORM WILL CAUSE STRONG GUSTY WIND AND SOME HAIL OVER
SOUTHERN BEXAR COUNTRY FOR ABOUT THE NEXT HALF HOUR.

SEVERE THUNDERSTORMS CAN CAUSE WIND GUSTS NEAR OR STRONGER THAN
60 MPH...AND 3/4 INCH DIAMETER OR LARGER HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 7:31 PM CDTSevere Thunderstorm WarningEWXGonzales29 min
Jul 25, 8:11 PM CDTSevere Thunderstorm WarningEWXAtascosa, Wilson64 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.