Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 151, NWS Austin/San Antonio, TX

June 28, 1992Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 28, 1992, 11:34 PM CDT for Bexar County, Texas. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1992, 11:34 PM CDT (04:34 UTC)
Expired
Jun 29, 1992, 12:15 AM CDT
In force
41 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bexar County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.6 hours before the alert went out and 223 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 1992-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1799 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 1992-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
1799 J/kg
Mixed-layer CIN
-239 J/kg
Mixed-layer LCL
1278 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 290436
SVRSAT
TXC029-290515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1134 PM CDT SUN JUN 28 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...BEXAR COUNTY
 
AT 1133 PM CDT...SEVERE THUNDERSTORMS HAD REDEVELOPED OVER NORTHWEST
BEXAR COUNTY. MARBLE SIZE HAIL WAS RERORTED IN LEON VALLEY DURING THE
PAST SEVERAL MINUTES. THE STORMS WERE MOVING TO THE SOUTH AND
SOUTHEAST AT 15 TO 20 MPH.
 
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 OCCUR WITH ANY THUNDERSTORM.

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, 8:08 PM CDT, 3 hours 26 minutes before
TXZ054-290200-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE DEL RIO TX
808 PM CDT SUN JUN 28 1992

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

AT 800 PM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH FREQUENT
DANGEROUS LIGHTNING 14 MILES WEST NORTHWEST OF DEL RIO. MOVEMENT WAS TO
THE EAST AT 15 MPH. PUBLIC REPORTED STRONG GUSTY WINDS AT BOX
CANYON...20 MILES WNW OF DEL RIO.

LARGE HAIL...HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS ARE POSSIBLE WITH THESE STORMS.

THIS STORM IS MOVING TOWARDS LAKE AMISTAD AND DEL RIO.
BOATERS...FISHERMEN AND CAMPERS ON LAKE AMISTAD AND AREA RIVERS SHOUPLD
SEEK SAFE HARBOR AND A PLACE OF SAFETY NOW.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Special weather statement, Jun 28, 8:24 PM CDT, 3 hours 10 minutes before
TXZ034-035-038>041-054-290225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
825 PM CDT SUN JUN 28 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM TONIGHT FOR MUCH OF
   SOUTH CENTRAL TEXAS...

THE NATIONAL WEATHER SERVICE HAS NOW ISSUED A SEVERE THUNDERSTORM WATCH
FOR A LARGE PORTION OF SOUTH CENTRAL TEXAS...GENERALLY FROM DEL RIO TO
AUSTIN TO BEEVILLE TO COTULLA.  THE WATCH INCLUDES BEXAR COUNTY AND
SURROUNDING COUNTIES OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY.

AT 815 PM CDT...SCATTERED THUNDERSTORMS...SOME SEVERE...WERE FROM EAST
OF JUNCTION TO NEAR JOHNSON CITY...AND MOVING TO THE SOUTHEAST AT 15
MILES AN HOUR.  SOME OF THE THUNDERSTORMS HAVE HAD A HISTORY OF
PRODUCING LARGE HAIL...GOLF TO SOFTBALL SIZE...EARLIER THIS EVENING.
IN ADDITION TO THE THREAT OF HAIL...THE STORMS COULD PRODUCE DAMAGING
WINDS...VERY HEAVY RAINS...AND FREQUENT LIGHTNING.

PERSONS IN KERR AND KENDALL COUNTIES COULD START TO BE AFFECTED BY THESE
STORMS WITHIN THE HOUR.

PERSONS IN SOUTH CENTRAL TEXAS SHOULD LISTEN FOR THE LATEST INFORMATION
FROM THE NATIONAL WEATHER SERVICE...KEEP SEVERE THUNDERSTORM AND TORNADO
SAFETY RULES IN MIND...AND BE READY TO MOVE TO SAFETY IF NECESSARY.
Special weather statement, Jun 28, 8:56 PM CDT, 2 hours 38 minutes before
TXZ054-290330-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE DEL RIO TX
856 PM CDT SUN JUN 28 1992

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

AT 850 PM CDT NO PRECIPITATION WAS OCCURRING IN VAL VERDE COUNTY. THE
THUNDERSTORM REPORTED EARLIER HAD DISSIPATED.

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 AN\D RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Special weather statement, Jun 28, 10:34 PM CDT, 1 hour 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, 23 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, 17 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

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 29, 12:31 AM CDTSevere Thunderstorm WarningEWXBexar, Medina59 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.