Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 152, NWS Austin/San Antonio, TX

June 29, 1992Bexar County, Medina County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 29, 1992, 12:31 AM CDT for Bexar County, Medina County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1992, 12:31 AM CDT (05:31 UTC)
Expired
Jun 29, 1992, 1:30 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bexar County, TX, Medina County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.5 hours before the alert went out and 196 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, Del Rio, TX at 00:00Z on 1992-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3145 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1992-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.19395878Sfc1 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
3145 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
2154 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 290533
SVRSAT
TXC029-325-290630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1231 AM CDT MON JUN 29 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...BEXAR COUNTY...MEDINA COUNTY
 
HONDO WEATHER RADAR SHOWED SEVERE THUNDERSTORMS OVER MEDINA COUNTY AND
MOVING TO THE EAST AT 20 MPH. DIME-SIZE HAIL WAS REPORTED AT THE HONDO
AIRPORT.
 
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.

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 28, 10:34 PM CDT, 1 hour 57 minutes before
TXZ054-290430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1035 PM CDT SUN JUN 28 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
200 AM CDT MONDAY MORNING...

AT 1030 PM CDT NO PRECIPITATION WAS OCCURRING IN VAL VERDE COUNTY.

LARGE HAIL...HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA.

THUNDERSTORMS...SOME POSSIBLY SEVERE REMAIN IN THE FORECAST FOR TONIGHT.
BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
REMAIN ALERT FOR THREATENING WEATHER.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Special weather statement, Jun 28, 11:11 PM CDT, 1 hour 20 minutes before
TXZ030-034>037-290515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1058 PM CDT SUN JUN 28 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM FOR TRAVIS...GILLESPIE...
   BLANCO...HAYS...CALDWELL...BASTROP...MILLS AND LAMPASAS COUNTIES...

...FLASH FLOOD WATCH TONIGHT FOR MILLS..SAN SABA AND LAMPASAS COUNTIES...

AT 1052 PM...RADAR SHOWED A LINE OF STRONG THUNDERSTORMS 50 MILES WIDE FROM
COLLEGE STATION TO BASTROP...SAN MARCOS AND BANDERA. THE BACK EDGE OF THE
LINE WAS FROM CAMERON TO GEORGETOWN...LAKE TRAVIS AND FREDERICKSBURG.

THE THUNDERSTORMS WERE MOVING TO THE SOUTH AT 20 MPH.

THESE THUNDERSTORMS CONTINUE TO BE STRONG WITH 3/8 TO 1/2 INCH HAIL REPORTED
IN THE SAN MARCOS AREA BY AN OFF-DUTY POLICE OFFICER. THESE STORMS WILL
PRODUCE STONG GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING AND BRIEF BUT
HEAVY RAINS.
.
THE IMMEDIATE THEAT FOR SEVERE WEATHER HAS SHIFTED SOUTH AND SOUTHWEST OF
THE CENTRAL TEXAS AREA8 HOWEVER ADDITIONAL THUNDERSTORMS COULD FIRE LATER
TONIGHT.

LUNA
Local storm report, Jun 28, 11:17 PM CDT, 1 hour 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1115 PM CDT SUN JUN 28 1992

...PRELIMENARY REPORT FOR SUNDAY JUNE 28TH 1992...

COUNTY      TIME CDT       EVENT

SAN SABA    440 PM         GOLFBALL SIZED HAIL AT ELM GROVE(HAMMS)

MILLS       507 PM         GOLFBALL SIZED HAIL AT DEMOCRAT(SHERIFF)

SAN SABA    545 PM         PUBLIC ESTIMATED 60 MPH WINDS...SEVERAL
                           LARGE TREES BLOWN DOWN(SHERIFF)

SAN SABA    552 PM         GOLFBALL SIZED HAIL 5 MILES WEST OF SAN
                           SABA(SHERIFF)

LLANO       620 PM         GOLFBALL SIZED HAIL AND VERY HEAVY RAINFALL
                           AT VALLEY SPRINGS(TV-24)

SAN SABA    620 PM         APPARENT TORNADO DESTROYED A BARN NEAR SAN
                           SABA...SEVERAL LARGE TREES DOWNED...HOUSE
                           DAMAGED(SHERIFF/PUBLIC)

SAN SABA    645 PM         LARGE TREES BLOWN DOWN AT CHROKEE(RAINFALL OBS)

MILLS       645 PM         3/4 INCH HAIL IN SOUTHERN MILLS(SHERIFF)

SAN SABA    645 PM         GOLFBALL TO TENNIS BALL SIZED HAIL AT VALLEY
                           SPRINGS...SECOND STORM(SHERIFF)

LLANO       651 PM         1/2 INCH TO GOLFBALL SIZED HAIL AT CASTELL AND
                           50 MPH WINDS(TV-36)

LLANO       700 PM         ROOF BLOWN OFF OF WATER TREATMENT PLANT ALONG
                           WITH NUMEROUS POWER LINES AND TREES DOWNED AT
                           LLANO...ELECTRICITY OUTAGE CITYWIDE(SHERIFF)

LLANO       715 PM         60 TO 70 MPH WINDS...LARGE OAK TREES DOWNED...
                           TWISTED AND UPROOTED 17 MILES SOUTH OF LLANO(SHERIFF)LLANO       710 PM         FUNNEL 7 MILES SOUTHWEST OF LLANO(SHERIFF)

LLANO       720 PM         60 MPH WINDS...GOLFBALL SIZED HAIL...AROUND
                           50 TREES DOWNED OR SHEARED OFF(TV-24)

GILLESPIE   750 PM         50 MPH WINDS AND VERY HEAVY RAINS 15 MILES
                           NORTH OF FREDERICKSBURG(HAMMS)

GILLESPIE   820 PM         ONE INCH HAIL AT ECKERT(SHERIFF)

GILLESPIE   855 PM         3 INCH/HOUR RAINFALL RATES AND 1/2 INCH HAIL
                           (SHERIFF)

BLANCO      910 PM         3/4 INCH HAIL 10 MILES WEST OF JOHNSON CITY
                           (LOCAL RADIO STATION)

GILLESPIE   920 PM         LARGE TREES DOWNED IN FREDERICKSBURG(SHERIFF)

WH
Special weather statement, Jun 29, 12:05 AM CDT, 26 minutes before
TXZ030-034>037-290615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1203 AM CDT MON JUN 29 1992

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR TRAVIS...GILLESPIE...
   BLANCO...HAYS AND  BASTROP COUNTIES...
...SEVERE THUNDERSTORM WATCH UNTIL 2 AM FOR CALDWELL...MILLS AND LAMPASAS
   COUNTIES...
...FLASH FLOOD WATCH TONIGHT FOR MILLS..SAN SABA AND LAMPASAS COUNTIES...

AT 1152 PM...RADAR SHOWED A LINE OF STRONG THUNDERSTORMS 60 MILES WIDE FROM
COLLEGE STATION TO SMITHVILLE...SAN MARCOS...SAN ANTNIO AND HONDO.  THE
BACK EDGE OF THE LINE WAS FROM CALDELL TO SOUTH OF AUSTIN AND BLANCO.

THE THUNDERSTORMS WERE MOVING TO THE SOUTH AT 20 MPH.

THUNDERSTORMS WITH HEAVY RAINS...SMALL HAIL...STRONG GUSTY WINDS AND
FREQUENT DANGEROUS LIGHTNING WILL CONTINUE OVER SOUTHERN HAYS...CALDWELL
AND FAYETTE COUNTIES UNTIL 130 AM.
.
STRONG WINDS OF 35 TO 45 MPH HAVE BEEN OBSERVED OVER THE AUSTIN AREA BETWEEN
11 PM AND MIDNIGHT T@HESE WINDS ARE NOT ASSOCIATED WITH ANY SEVERE WEATHER
THE STRONG WINDS ARE DUE TO LARGE PRESSURE DIFFERNCE OVER THE AREA.

LUNA
Special weather statement, Jun 29, 12:07 AM CDT, 24 minutes before
TXZ054-290530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1207 AM CDT MON JUN 29 1992

... SEVERE THUNDERSTORM WATCH FOR VAL VERDE COUNTY HAS BEEN CANCELLED...

AT 1205 AM CDT NO PRECIPITATION WAS OCCURRING IN VAL VERDE COUNTY.

THUNDERSTORMS REMAIN IN THE FORECAST FOR TONIGHT. BOATERS AND FISHERMEN
ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD REMAIN ALERT FOR
THREATENING WEATHER.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Local storm report, Jun 29, 12:24 AM CDT, 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1223 AM CDT MON JUN 29 1992

DATE ALL TIME CDT

28   931PM      HAM RADIO OPERATOR KERR CO. WEST OF KERRVILLE NEAR
                INGRAM REPORTS 3/4 INCH AND LARGER HAIL AND VERY HEAVY
                RAIN.
28   938PM      KENDALL CO. GOLF BALL-SIZE HAIL IN COMFORT.
28   1013PM     COMAL CO. POWER OUTAGE SPRINGBRANCH AND BULVERDE...GOLF
                BALL-SIZE HAIL REPORTS IN BOTH TOWNS.
28 D  1025PM     COMAL CO. WIND DAMAGE FM 3159 NEAR CANYON LAKE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:30 PM CDTSevere Thunderstorm WarningEWXBlanco60 min
Jun 28, 8:52 PM CDTSevere Thunderstorm WarningEWXGillespie68 min
Jun 28, 8:55 PM CDTSevere Thunderstorm WarningEWXKendall, Kerr65 min
Jun 28, 10:01 PM CDTSevere Thunderstorm WarningEWXKendall, Kerr29 min
Jun 28, 11:34 PM CDTSevere Thunderstorm WarningEWXBexar41 min
Jun 29, 2:46 AM CDTSevere Thunderstorm WarningEWXBandera44 min
Jun 29, 4:07 AM CDTSevere Thunderstorm WarningEWXKerr38 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992

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.