Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 122, NWS Austin/San Antonio, TX

June 5, 1997Gonzales County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1997, 4:31 AM CDT for Gonzales County, Texas. It was in force for 59 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
Jun 5, 1997, 4:31 AM CDT (09:31 UTC)
Expired
Jun 5, 1997, 5:30 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Gonzales County, TX

The radar

The Austin/San Antonio radar (KEWX), 59 km from the middle of the area, began a volume at 09:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 5, 4:45 AM CDTThunderstorm WindGonzales, TXTrees were blown down in the Gonzales area.

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, 9.5 hours before the alert went out and 193 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 1997-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1022 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 1997-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
1022 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1393 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 050928 RRA
SVRSAT
TXC177-051030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
431 AM CDT THU JUN 5 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...GONZALES COUNTY
 
A SEVERE THUNDERSTORM WITH POSSIBLE STRONG DAMAGING WINDS AND HAIL WAS
MOVING THROUGH NORTHERN GONZALES COUNTY TOWARDS THE CITY OF GONZALES.
MOVEMENT OF THIS STORM WAS TOWARDS THE SOUTH AT NEAR 25 MPH.
 
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.
 R

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 8:56 PM CDTSevere Thunderstorm WarningEWXBexar49 min
Jun 5, 2:28 AM CDTSevere Thunderstorm WarningEWXTravis62 min
Jun 5, 2:39 PM CDTSevere Thunderstorm WarningEWXBandera, Real66 min
Jun 5, 2:52 PM CDTSevere Thunderstorm WarningEWXEdwards68 min
Jun 5, 3:34 PM CDTSevere Thunderstorm WarningEWXKerr56 min
Jun 5, 3:45 PM CDTSevere Thunderstorm WarningEWXReal60 min
Jun 5, 3:56 PM CDTSevere Thunderstorm WarningEWXBandera, Uvalde64 min
Jun 5, 4:32 PM CDTSevere Thunderstorm WarningEWXEdwards58 min
Jun 5, 4:40 PM CDTSevere Thunderstorm WarningEWXReal50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.