Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 63, NWS Austin/San Antonio, TX

June 4, 1990Travis County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 4, 1990, 1:09 AM CDT for Travis County, Texas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1990, 1:09 AM CDT (06:09 UTC)
Expired
Jun 4, 1990, 2:15 AM CDT
In force
66 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Travis 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

Corpus Christi, TX (KCRP), launched 00:00Z, 6.2 hours before the alert went out and 293 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 1990-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2060 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 1990-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
2060 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 040611
SVRAUS
TXC453-040715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
109 AM CDT MON JUN 4 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...TRAVIS COUNTY
 
THUNDERSTORMS SOUTH OF AUSTIN AND A LINE OF THUNDERSTORMS MOVING
SOUTHEAST THROUGH THE AUSTIN AREA IS PRODUCINH STRONG WIND
AND SOME HAIL IS ALSO POSSIBLE AS THIS SYSTEM MOVES SOUTHEAST THROUGH
TRAVIS COUBNTY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FORy YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 3, 9:41 PM CDT, 3 hours 28 minutes before
TXZ040-040430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
940 PM CDT SUN JUN 3 1990

...SEVERE THUNDERSTORM WATCH FOR GONZALES COUNTY UNTIL 100 AM CDT...

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 100 AM FOR MUCH
OF SOUTHEAST TEXAS.  THE WATCH EXTENDS WESTWARD TO GONZALES COUNTY.

EARLY THIS EVENING THUNDERSTORMS CONTINUED ACROSS CENTRAL AND SOUTHEAST
TEXAS.  SOME OF THESE THUNDERSTORMS HAVE PRODUCED SEVERE WEATHER.  THE
THUNDERSTORM SYSTEM CONTINUES TO MOVE SLOWLY SOUTHWARD AND COULD MOVE
INTO THE GONZALES AREA EAST OF SAN ANTONIO LATER TONIGHT.

PEOPLE IN AND AROUND THE GONZALES COUNTY AREA ARE URGED TO MONITOR
WEATHER DEVELOPMENTS DURING THE NEXT FEW HOURS AND BE PREPARED TO
PROTECT LIFE AND PROPERTY SHOULD SEVERE WEATHER DEVELOP.
Local storm report, Jun 3, 10:41 PM CDT, 2 hours 28 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1045 PM CDT SUN JUN 03 1990

 TIME OF                       ...ADDITIONAL REPORTS...
 OCCURRENCE  COUNTY            ...EVENT...JUNE 03 1990...
   CDT
  913 5PM     MILLS     GOLDTHWAITE OBSERVER...REPORTED 60-70 MPH WINDS...
                       FREQUENT LIGHTNING AND HEAVY  RAINS.
Special weather statement, Jun 3, 11:03 PM CDT, 2 hours 6 minutes before
TXZ040-040430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1102 PM CDT SUN JUN 3 1990

...SEVERE THUNDERSTORM WATCH FOR GONZALES COUNTY CANCELLED...

THE SEVERE THUNDERSTORM WATCHg ISSUED EARLIER FOR SOUTHEAST TEXAS WHICH
INCLUDED GONZALES COUNTY HAS BEEN CANCELLED.  THERE REMAINS A CHANCE OF
THUNDERSTORMS TONIGHT...BUT THE THREAT OF SEVERE WEATHER HAS DECREASED
DURING THE PAST COUPLE OF HOURS.
Special weather statement, Jun 3, 11:15 PM CDT, 1 hour 54 minutes before
TXZ030-040500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1100 PM CDT SUN JUN 03 1990

...SEVERE THUNDERSTORM WATCH FOR LEE...BASTROP...FAYETTE...MILAM...
WILLIAMSON AND BURLESON COUNTIES HAS BEEN CANCELLED...

THE RADAR AT 1100 PM SHOWED A LARGE AREA OF RAIN SHOWERS AND THUNDER-
STORMS FROM SOUTH OF SAN ANGELO TO NORTH OF AUSTIN ON EAST AND SOUTH-
EASTWARD TO COLLEGE STATION AND LUFKIN.  THE STRONGEST STORMS WERE
BETWEEN ROCKDAvLE AND TEMPLE AND WEST OF LAKE BUCHANAN.

HEAVY RAINS...SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING ARE
POSSIBLE FROM THESE STORMS.  STAY TUNED TO NOAA WEATHER RADIO FOR
LATER STATEMENTS AND INFORMATION.
Special weather statement, Jun 4, 12:20 AM CDT, 49 minutes before
TXZ030-040600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1215 AM CDT MON JUN 04 1990

THE RADAR AT 1210 AM A BROAD AREA OF SHOWERS AND THUNDERSTORMS FROM NEAR
BRADY AND MASON EASTWARD ACROSS THE CENTRAL TEXAS AREA INTO EAST TEXAS
NEAR LUFKIN.  STRONGEST THUNDERSTORMS WERE SCATTERED OVER THE AREA FROM
JUST SOUTH OF AUSTIN TO NEAR LA GRANGE AND WERE MOVING SOUTH AT ABOUT
10 MPH.  ANOTHER AREA OF STRONG THUNDERSTORMS WERE LOCATED FROM NEAR
FREDERICKSBURGE NORTHEAST ACROSS THE MARBLE FALLS AREA TO NEAR TEMPLE.
THIS AREA OF THUNDERSTORMS WAS MOVING SOUTHEAST AT ABOUT 25 MPH.

FREQUENT LIGHTNING AND GUSTY WINDS IS POSSIBLE IN AND NEAR THE HEAVIER
THUNDERSTORMS.
Special weather statement, Jun 4, 12:26 AM CDT, 43 minutes before
TXZ035-036-039-040630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1225 AM CDT MON JUN 4 1990

...THUNDERSTORMS ACROSS SOUTH CENTRAL TEXAS AND MOVING SOUTH...

AT 1220 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
OF THUNDERSTORMS...WITH VERY HEAVY RAIN...FROM NORTH OF AUSTIN TO NEAR
FREDRICKSBURG.  OTHER THUNDERSTORMS WERE SOUTH AND EAST OF AUSTIN.
MOVEMENT OF THE THUNDERSTORMS WAS TO THE SOUTH AT 15 MPH.

ALONG WITH THE HEAVY RAINS...STRONG AND GUSTY WINDS...SMALL HAIL...AND
DANGEROUS AND FREQUENT LIGHTNING COULD ACCOMPANY THESE STORMS.  THEY
WILL BE MOVING INTO KENDALL AND EAST KERR COUNTIES WITHIN THE HOUR...AND
IF THEY CONTINUE TO HOLD TOGETHER...SHOULD BE IN BEXAR AND THE SAN
ANTONIO METRO AREA WITHIN THE NEXT COUPLE OF HOURS.

PERSONS SHOULD BE ALERT FOR THREATENING WEATHER AND REMAINED TUNED
FOR LATER WEATHER DEVELOPMENTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 9:14 PM CDTSevere Thunderstorm WarningEWXMills61 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.