Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 72, NWS Austin/San Antonio, TX

August 31, 1990Burleson County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 31, 1990, 6:09 PM CDT for Burleson County, Texas. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Aug 31, 1990, 6:09 PM CDT (23:09 UTC)
Expired
Aug 31, 1990, 6:55 PM CDT
In force
46 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burleson County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 11.2 hours before the alert went out and 238 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, Stephenville/Cla, TX at 12:00Z on 1990-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 750 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, Stephenville/Cla, TX at 12:00Z on 1990-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -100 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
750 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1725 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-100 m²/s²
0-3 km storm-relative helicity
-97 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 KAUS 312311
SVRAUS
TXC051-010015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
609 PM CDT FRI AUG 31 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BURLESON COUNTY
 
AT 6 PM...RADAR A POTENTIALLY SEVERE THUNDERSTORM NEAR COLLEGE
STATION. IT WAS MOVING TO THE SOUTHWEST AT 20 MPH.
 
VERY HEAVY RAINS WERE INDICATED BETWEEN LAKE SOMERVILLE TO THE SOUTH
SIDE OF COLLEGE STATION.
 
HIGH WINDS AND LIGHTNING APPEAR TO BE THE BIGGEST THREAT WITH THIS
PARTICULAR STORM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, Aug 31, 4:54 PM CDT, 1 hour 15 minutes before
TXZ054-312315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
454 PM CDT FRI AUG 31 1990

AT 450 PM CDT RADAR INDICATED THUNDERSTORMS AND RAINSHOWERS IN
NORTHEAST VAL VERDE COUNTY...FROM 20 MILES NORTHEAST OF DEL RIO
TO NORTH OF JUNO. MOVEMENT WAS TO THE NORTHWEST AT 10 MPH.

MOTORISTS TRAVELING IN NORTHERN VAL VERDE COUNTY SHOULD EXERCISE
CAUTION AS WET AND SLIPPERY ROADS ALONG WITH REDUCED VISIBILITY IN
THE SHOWERS COULD PRESENT A DRIVING HAZARD.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS
SHOULD BE ON THE WATCH FOR APPROACHING WEATHER AND BE PREPARED TO
MOVE QUICKLY TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS
SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING.
Special weather statement, Aug 31, 5:40 PM CDT, 29 minutes before
TXZ036-039-040-312345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
540 PM CDT FRI AUG 31 1990

...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR COMAL...GUADALUPE
   ...GONZALES...AND KARNES COUNTIES...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 1000 PM CDT TONIGHT FOR PORTIONS OF SOUTH CENTRAL AND
SOUTHEAST TEXAS...INCLUDING THE ABOVE MENTIONED COUNTIES.

AT 535 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
THUNDERSTORMS...WITH VERY HEAVY RAIN...FROM EAST OF AUSTIN TO COLLEGE
STATION TO NEAR PALACIOS.  THE THUNDERSTORMS WERE MOVING TO THE
SOUTHWEST AT 25 MPH.

THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE MOVING TOWARD SOUTH CENTRAL
TEXAS AND COULD BECOME SEVERE...PRODUCING LARGE HAIL...DAMAGING WINDS...
AND BRIEF HEAVY RAINS.

PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO THE LATEST
INFORMATION FROM THE NATIONAL WEATHER SERVICE IN }THE EVENT WARNINGS
ARE REQUIRED.
Special weather statement, Aug 31, 5:45 PM CDT, 24 minutes before
TXZ036-037-312359-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
545 PM CDT FRI AUG 31 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TRAVIS...WILLIAMSON...
HAYS AND ALL COUNTIES TO THE EAST...UNTIL 10 PM CDT THIS FRIDAY EVENING...

JUST BEFORE 6 PM...RADAR SHOWED NUMEROUS THUNDERSTORMS OVER THE COASTAL
PLAINS...BETWEEN COLLEGE STATION AND LA GRANGE EASTWARD TO THE COAST.

INTENSE THUNDERSTORMS WERE LOCATED BETWEEN BASTROP AND LA GRANGE...ALSO
AROUND COLUMBUS.  OTHER INTENSE STORMS WERE SOUTHEAST OF COLLEGE STATION
NEAR BRENHAM AND ON THE WEST SIDE OF HOUSTON.

ALL WERE MOVING TO THE WEST AND SOUTHWEST AT NEAR 20 MPH.

THE THUNDERSTORMS NOW ALONG THE COLORADO RIVER ARE MOVING INTO A DRASTIC
THERMAL CONTRAST AND COULD PRODUCE SIGNIFICANT WIND GUSTS AS THEY MOVE
INTO AND WILL LIKELY DIE-OUT OVER SOUTH CENTRAL TEXAS AFTER DARK.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 6:34 PM CDTSevere Thunderstorm WarningEWXJackson56 min
Aug 31, 6:59 PM CDTTornado WarningEWXJackson61 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.