Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 157, NWS Austin/San Antonio, TX

June 17, 1997DeWitt County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 17, 1997, 7:50 PM CDT for DeWitt County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 17, 1997, 7:50 PM CDT (00:50 UTC)
Expired
Jun 17, 1997, 8:45 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County DeWitt County, TX

The radar

The Austin/San Antonio radar (KEWX), 95 km from the middle of the area, began a volume at 00:51 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 150 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 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3875 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
3875 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 180051 RRA
SVRSAT
TXC123-180145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
750 PM CDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...DE WITT COUNTY
 
AT 745 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE
THUNDERSTORM NORTHEAST OF YORKTOWN AND WEST OF CUERO...MOVING
EAST NORTHEAST AT 20 MPH.  THESE THUNDERSTORMS WILL AFFECT
DE WITT COUNTY FOR THE NEXT HOUR.
 
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.
 
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 ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 17, 1:50 PM CDT, 6 hours before
TXZ193-194-207>209-223>225-171945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
149 PM CDT TUE JUN 17 1997

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR BASTROP..
CALDWELL..FAYETTE..GONZALES..GUADALUPE..AND LEE COUNTIES...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR LAVACA AND
DEWITT COUNTIES...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA...

THE SEVERE WEATHER THAT DEVELOPED OVER THE SOUTH CENTRAL COUNTIES OF
TEXAS EAST OF THE I35 CORRIDOR HAVE MOVED SOUTH AND EAST OF THE AREA.

THUS THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED OVER SOUTH
CENTRAL TEXAS WITH EXCEPTION OF DEWITT AND LAVACA COUNTIES.

A FLASH FLOOD WATCH WILL <REMAIN IN EFFECT AS THE POTENTIAL FOR SHOWER
AND THUNDERSTORM DEVELOPMENT WITH LOCALLY HEAVY RAIN WILL CONTINUE
THROUGH THE AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Local storm report, Jun 17, 2:03 PM CDT, 5 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
203 PM CDT TUE JUN 17 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0520 AM    AUSTIN                    TX   1 INCH HAIL
06/17/97   TRAVIS                         1 INCH HAIL REPORTED ALONG
                                          I35 A MILE NORTHWEST OF
                                          MUELLER AIRPORT

1000 AM    BATEMAN                   TX   1.5 INCH HAIL
06/17/97   BASTROP                        PING PONG SIZE HAIL
                                          REPORTED NEAR BATEMAN
Special weather statement, Jun 17, 5:35 PM CDT, 2 hours 15 minutes before
TXZ171>173-183>194-202>209-217>225-228-181000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
535 PM CDT TUE JUN 17 1997

A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR
SOUTHERN PARTS OF SOUTH CENTRAL TEXAS...INCLUDING THE FOLLOWING
COUNTIES...MAVERICK...ZAVALA...DIMMIT...FRIO...ATASCOSA...WILSON...
KARNES...AND LAVACA COUNTY.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS MAY AFFECT THESE COUNTIES
TONIGHT...WITH RAIN AMOUNTS AVERAGING ONE TENTH TO ONE HALF
INCH AND ISOLATED AMOUNTS NEAR 1 INCH POSSIBLE.

FOR THE REST OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...FAIR SKIES
WILL PREVAIL TONIGHT WITH NO RAIN.   THIS INCLUDES AUSTIN...
SAN MARCOS...NEW BRAUNFLES...SAN ANTONIO...HONDO...UVALDE...DEL RIO...
ROCKSPRINGS...LEAKEY...BANDERA...BOERNE...COMFORT...KERRVILLE...
FREDRICKSBURG...JOHNSON CITY...LLANO...BURNET...AND GEORGETOWN.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF
FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT
FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW
FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU
FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.
Special weather statement, Jun 17, 5:36 PM CDT, 2 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-181000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
535 PM CDT TUE JUN 17 1997

A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR
SOUTHERN PARTS OF SOUTH CENTRAL TEXAS...INCLUDING THE FOLLOWING
COUNTIES...MAVERICK...ZAVALA...DIMMIT...FRIO...ATASCOSA...WILSON...
KARNES...AND LAVACA COUNTY.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS MAY AFFECT THESE COUNTIES
TONIGHT...WITH RAIN AMOUNTS AVERAGING ONE TENTH TO ONE HALF
INCH AND ISOLATED AMOUNTS NEAR 1 INCH POSSIBLE.

FOR THE REST OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...FAIR SKIES
WILL PREVAIL TONIGHT WITH NO RAIN.   THIS INCLUDES AUSTIN...
SAN MARCOS...NEW BRAUNFLES...SAN ANTONIO...HONDO...UVALDE...DEL RIO...
ROCKSPRINGS...LEAKEY...BANDERA...BOERNE...COMFORT...KERRVILLE...
FREDRICKSBURG...JOHNSON CITY...LLANO...BURNET...AND GEORGETOWN.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF
FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT
FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW
FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU
FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEBVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.