Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 41, NWS Austin/San Antonio, TX

March 29, 1992Atascosa County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 1992, 6:45 PM CST for Atascosa County, Texas. It was in force for 60 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 29, 1992, 6:45 PM CST (00:45 UTC)
Expired: Mar 29, 1992, 7:45 PM CST
In force: 60 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Atascosa County, TX

What was reported inside it

Time	Report	Where	Remark
Mar 29, 7:02 PM CST	Hail 0.75	Atascosa, TX
Mar 29, 7:26 PM CST	Hail 1.75	Atascosa, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1522 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 85 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 300046 RRA
SVRSAT
TXC013-300145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
645 PM CST SUN MAR 29 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...ATASCOSA COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHERN ATASCOSA COUNTY
MOVING TO THE SOUTHEAST AT AROUND 30 MPH. THE ATASCOSA SHERIFF
DEPARTMENT HAD A REPORT OF LARGE HAIL OCCURRING WITH THIS
THUNDERSTORM.
 
 
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

Local storm report, Mar 29, 3:51 PM CST, 2 hours 54 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
351 PM CST SUN MAR 29 1992                  PRELIMINARY REPORTS

DATE TIME
 29  138PM   1/4 HAIL WOODS OF SHAVANO PK  NORTHWEST PORTION SAN ANTONIO
 29  230PM   1/2 INCH HAIL WOODS OF SHAVANO PK NORTHWEST PART OF SAN ANTONIO
 29  230PM   1/4 - 1/2 HAIL BANDERA
 29  233PM   TORNADO OBSERVED BY SAT WSFO 15 MILES W OF AIRPORT
 29  235PM   1 INCH HAIL ELDORADO SUB. NORTHEAST OF SAN ANTONIO
 29  236PM   1/4 INCH HAIL NORTHWEST SAN ANTONIO BABCOCK OUT SIDE LOOP 410
 29  240PM   FUNNEL CLOUD SPOTTED BY NWS EMPLOYEE VICINITY OF AIRPORT
 29  242PM   FUNNEL CLOUD OBSERVED BY WSFO SAN ANTONIO 7 SOUTHWEST OF
             AIRPORT
 29  240PM   3/4 HAIL BETWEEN WINDCREST AND LIVE OAK  NORTHEAST OF SAN
             ANTONIO
 29  253PM   1/4 HAIL SAN ANTONIO AIRPORT

Local storm report, Mar 29, 4:23 PM CST, 2 hours 22 minutes before

STORM REPORT UPDATED
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
421 PM CST SUN MAR 29 1992

DATE TIME
 29  138PM   1/4 HAIL WOODS OF SHAVANO PK  NORTHWEST PORTION SAN ANTONIO
 29  230PM   1/2 INCH HAIL WOODS OF SHAVANO PK NORTHWEST PART OF SAN ANTONIO
 29  230PM   1/4 - 1/2 HAIL BANDERA
 29  233PM   TORNADO OBSERVED BY SAT WSFO 15 MILES W OF AIRPORT
 29  235PM   1 INCH HAIL ELDORADO SUB. NORTHEAST OF SAN ANTONIO
 29  236PM   1/4 INCH HAIL NORTHWEST SAN ANTONIO BABCOCK OUT SIDE LOOP 410
 29  240PM   FUNNEL CLOUD SPOTTED BY NWS EMPLOYEE VICINITY OF AIRPORT
 29  242PM   FUNNEL CLOUD OBSERVED BY WSFO SAN ANTONIO 7 SOUTHWEST OF
             AIRPORT
 29  240PM   3/4 HAIL BETWEEN WINDCREST AND LIVE OAK  NORTHEAST OF SAN
             ANTONIO
 29  253PM   1/4 HAIL SAN ANTONIO AIRPORT
 29  320PM   60 SQUARE FEET OF ROOF BLOWN OF BUILDING AT RANDOLPH AFB
             NORTHEAST OF SAN ANTONIO
 MORE REPORTS LIKLEY

Local storm report, Mar 29, 4:29 PM CST, 2 hours 16 minutes before

STORM REPORT UPDATED
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
424 PM CST SUN MAR 29 1992

DATE TIME          ....BEXAR COUNTY REPORTS....
 29  138PM   1/4 HAIL WOODS OF SHAVANO PK  NORTHWEST PORTION SAN ANTONIO.
 29  230PM   1/2 INCH HAIL WOODS OF SHAVANO PK NORTHWEST PART OF SAN ANTONIO.
 29  230PM   1/4 - 1/2 HAIL BANDERA.
 29  233PM   TORNADO OBSERVED BY SAT WSFO 15 MILES W OF AIRPORT.
 29  235PM   1 INCH HAIL ELDORADO SUB. NORTHEAST OF SAN ANTONIO.
 29  236PM   1/4 INCH HAIL NORTHWEST SAN ANTONIO BABCOCK OUT SIDE LOOP 410.
 29  240PM   FUNNEL CLOUD SPOTTED BY NWS EMPLOYEE VICINITY OF AIRPORT.
 29  242PM   FUNNEL CLOUD OBSERVED BY WSFO SAN ANTONIO 7 SOUTHWEST OF
             AIRPORT.
 29  240PM   3/4 HAIL BETWEEN WINDCREST AND LIVE OAK  NORTHEAST OF SAN
             ANTONIO.
 29  250PM   ROOF TAKEN OFF BY TORNADO AT GILBEAU/TEZEL RDS 15 WEST OF
             SAN ANTONIO AIRPORT.
 29  253PM   1/4 HAIL SAN ANTONIO AIRPORT.
 29  320PM   60 SQUARE FEET OF ROOF BLOWN OF BUILDING AT RANDOLPH AFB
             NORTHEAST OF SAN ANTONIO.

Special weather statement, Mar 29, 5:03 PM CST, 1 hour 42 minutes before

TXZ035-036-037-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
5 PM CST SUN MAR 29 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A LARGE PART OF SOUTHERN
TEXAS UNTILL 9PM TONIGHT...IT INCLUDES THE COUNTIES OF TRAVIS...BLANCO
...WILLIAMSON...BASTROP...FAYETTE...CALDWELL...HAYS...LEE AND MILAM.

AT 450 PM AUSTIN RADAR SHOWED AN AREA OF MOSTLY SHOWERS WITH A FEW
THUNDERSTORMS FROM EAST OF SAN ANTONIO TO FLATONIA TO EAST OF
LAGRANGE. THUNDERSTORMS WERE LOCATED NORTH OF FLORESVILLE AND EAST
OF NIXON. MOVEMENT WAS TOWARDS THE EAST SOUTHEAST AT 35 MPH.

PERSONS IN THE AUSTIN AREA SHOULD STAY ALERT FOR THE NEXT FEW HOURS
EVEN NOW THAT THE THUNDERSTORMS ARE NOW WELL TO THE ShOUTH OF AUSTIN
AND MOVING TOWARDS SOUTH AND SOUTHEAST TEXAS.
PJL

Special weather statement, Mar 29, 5:29 PM CST, 1 hour 16 minutes before

TXZ035-036-037-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
520 PM CST SUN MAR 29 1992

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PORTION
OF SOUTHERN TEXAS TEXAS UNTILL 9 PM TONIGHT...IT NOW ONLY INCLUDES THE
FOLLOWING COUNTIES OF BASTROP...FAYETTE...CALDWELL AND LEE COUNTIES
IN THE AUSTIN AREA.

AT 450 PM AUSTIN RADAR SHOWED AN AREA OF MOSTLY SHOWERS WITH A FEW
THUNDERSTORMS FROM EAST OF SAN ANTONIO TO FLATONIA TO EAST OF
LAGRANGE. THUNDERSTORMS WERE LOCATED NORTH OF FLORESVILLE AND EAST
OF NIXON. MOVEMENT WAS TOWARDS THE EAST SOUTHEAST AT 35 MPH.

THE FOLLOWING COUNTIES ARE NO LONGER UNDER THE SEVERE THUNDERSTORM
WATCH. BLANCO...HAYS...TRAVIS...WILLIAMSON AND MILAM COUNTIES.
PJL

Special weather statement, Mar 29, 6:20 PM CST, 25 minutes before

TXZ035-036-037-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
615 PM CST SUN MAR 29 1992

...THE NATIONAL SEVERE STORMS FORECAST CENTER HAS CANCELLED SEVERE
THUNDERSTORM WATCH NUMBER 104 THAT WAS IN EFFECT FOR A LARGE PART OF
SOUTHERN TEXAS.

AT 610 PM AUSTIN RADAR SHOWED AN ISOLATED STRONG THUNDERSTORM ABOUT
25 MILES SOUTHWEST OF SAN ANTONIO...THIS THUNDERSTORM WAS IN A LINE
OF MOSTLY LIGHT TO MODERATE SHOWERS THAT EXTENDED EASTWARD TO NEAR
SEALY. THUNDERSTORMS OVER MOST OF THIS AREA HAS DECREASED RAPIDLY
DURING THE LAST HOUR.

THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING EAST SOUTHEAST
AT NEAR 20 MPH.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 7:04 PM CST	Tornado Warning	EWX	Atascosa	41 min
Mar 29, 7:50 PM CST	Severe Thunderstorm Warning	EWX	Atascosa	25 min
Mar 29, 8:26 PM CST	Severe Thunderstorm Warning	EWX	McMullen	49 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.