Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 52, NWS Austin/San Antonio, TX

April 29, 1989Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1989, 7:58 PM CDT for Guadalupe County, Texas. It was in force for 47 min. 1 report 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: Apr 29, 1989, 7:58 PM CDT (00:58 UTC)
Expired: Apr 29, 1989, 8:45 PM CDT
In force: 47 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Guadalupe County, TX

The radar

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

What was reported inside it

Time	Report	Where	Remark
Apr 29, 8:00 PM CDT	Thunderstorm Wind 0	Guadalupe, 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

Victoria Regiona, TX (KVCT), launched 00:00Z, 1.0 hours before the alert went out and 130 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: 2723 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: -6 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Apr 29, 6:04 PM CDT, 1 hour 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
600 PM CDT THU APR 29 1989

...DEL RIO AND VAL VERDE COUNTY ARE IN A SEVERE THUNDERSTORM WATCH
UNTIL 9 PM CDT...

AT 550 PM AN AREA OF STRONG TO INTENSE THUNDERSTORMS BEGAN ABOUT 30
MILES SOUTHEAST OF DEL RIO ON THE RIO GRANDE. THESE STORMS WERE MOVING
TO THE EAST AT AROUND 10 MPH. OTHER SHOWERS AND WEAKER THUNDERSTORMS
EXTENDED NORTH TO DEL RIO AND THE SOUTHEAST CORNER OF VAL VERDE COUNTY.
VERY STRONG WINDS...DANGEROUS LIGHTNING...AND LARGE HAIL CAN BE EXPECTED
WITH STORMS OF THIS STRENGTH. PEOPLE TRAVELLING SOUTH TOWARDS EAGLE PASS
SHOULD EXPECTED TO ENCOUNTER THESE THUNDERSTORMS.

LIGHTNING IS DANGEROUS AT ALL TIMES...IT IS FREQUENT NEAR INTENSE
THUNDERSTORMS. STAYING INDOORS AND AWAY FROM WINDOWS IS THE MOST
SENSIBLE COURSE OF ACTION DURING AN INTENSE LIGHTNING STORM.

ANOTHER AREA OF STRONG THUNDERSTORMS IS IN THE NORTH OF VAL VERDE COUNTY
EXTENDING FROM 50 MILES NORTHWEST OF DEL RIO...NEAR PANDALE TO THE EAST
TOWARDS JUNCTION...90 MILES NORTHEAST OF DEL RIO. MARBLE SIZE HAIL WAS
REPORTED WITH ONE OF THESE THUNDERSTORMS NEAR HIGHWAY 163 IN SOUTHERN
CROCKETT COUNTY. PEOPLE LIVING IN THE NORTH OF VAL VERDE COUNTAY AND
MOTORISTS TRAVELLING NORTH TOWARDS SAN ANGELO SHOULD BE ALERT FOR THESE
STRONG THUNDERSTORMS. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT
AROUND 10 MPH.

Local storm report, Apr 29, 6:52 PM CDT, 1 hour 6 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO TX[
700 PM CDT SAT APR 29 1989

TIME(CDT)    EVENT                LOCATION

0428 PM   MARBLE SIZE HAIL     SOUTHWEST KERR COUNTY ALONG TX HWY 39
0428 PM   MARBLE SIZE HAIL     HYW 29 IN SOUTHWEST KERR COUNTY.
0517 PM   WIND   40-50 MPH     EAGLE PASS...MAVERICK COUNTY
0525 PM   THREE-QUATERS INCH HAIL  EAGLE PASS... MAVERICK COUNTY
0527 PM   MARBLE SIZE HAIL     10 WEST OF CITY OF MEDINA...MEDINA COUNTY
0530 PM   WIND   60 MPH        TREES BREAKING OFF EAGLE PASS...MAVERICK
                               COUNTY.
530 PM    TENNIS-GOLF BALL
          SIZE HAIL            12 MI WEST OF BANDERA...BANDERA COUNTY
546 PM    MARBLE SIZE HAIL     JUST NORTH LAREDO...WEBB COUNTY
615 PM    PING-PONG SIZE HAIL  9 WEST MEDINA...BANDERA COUNTY
          BASEBALL SIZE HAIL
          HEAVY RAIN 1.41 INCHES
645 PM    MAJOR DAMAGE IN EAGLE PASS   CARS BLOWN OVER...TRAILERS TURNED
                                OVER...TREES DOWN...HOUSE PUSHED INTO
                                STREET...EXTENSIVE HAIL DAMAGE TO HOUSES
                                FIRES REPORTED

Local storm report, Apr 29, 6:53 PM CDT, 1 hour 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO TX[
700 PM CDT SAT APR 29 1989

TIME(CDT)    EVENT                LOCATION

0428 PM   MARBLE SIZE HAIL     SOUTHWEST KERR COUNTY ALONG TX HWY 39
0428 PM   MARBLE SIZE HAIL     HYW 29 IN SOUTHWEST KERR COUNTY.
0517 PM   WIND   40-50 MPH     EAGLE PASS...MAVERICK COUNTY
0525 PM   THREE-QUATERS INCH HAIL  EAGLE PASS... MAVERICK COUNTY
0527 PM   MARBLE SIZE HAIL     10 WEST OF CITY OF MEDINA...MEDINA COUNTY
0530 PM   WIND   60 MPH        TREES BREAKING OFF EAGLE PASS...MAVERICK
                               COUNTY.
530 PM    TENNIS-GOLF BALL
          SIZE HAIL            12 MI WEST OF BANDERA...BANDERA COUNTY
546 PM    MARBLE SIZE HAIL     JUST NORTH LAREDO...WEBB COUNTY
615 PM    PING-PONG SIZE HAIL  9 WEST MEDINA...BANDERA COUNTY
          BASEBALL SIZE HAIL
          HEAVY RAIN 1.41 INCHES
645 PM    MAJOR DAMAGE IN EAGLE PASS   CARS BLOWN OVER...TRAILERS TURNED
                                OVER...TREES DOWN...HOUSE PUSHED INTO
                                STREET...EXTENSIVE HAIL DAMAGE TO HOUSES
                                FIRES REPORTED

Special weather statement, Apr 29, 7:03 PM CDT, 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
700 PM CDT THU APR 29 1989

...DEL RIO AND VAL VERDE COUNTY ARE IN A SEVERE THUNDERSTORM WATCH
UNTIL 9 PM CDT...

AT 650 PM THE INTENSE THUNDERSTORMS FROM MEXICO THAT THREATENED VAL
VERDE COUNTY HAD MOVED TO THE EAST AND WERE NO LONGER A THREAT TO VAL
VERDE COUNTY. THE THUNDERSTORMS WERE IN A LINE FROM NEAR UVALDE TO
SOUTHEAST OF EAGLE PASS AND MOVING EAST AT AROUND 10 MPH. VERY STRONG
WINDS...DANGEROUS LIGHTNING...AND LARGE HAIL CAN BE EXPECTED WITH STORMS
OF THIS STRENGTH. PEOPLE TRAVELLING EAST TOWARDS SAN ANTONIO AND SOUTH
OF EAGLE PASS CAN EXPECT TO ENCOUNTER THESE THUNDERSTORMS.

THERE HAVE BEEN A NUMBER OF REPORTS OF HAIL WITH THE STORMS TO THE EAST.
PEOPLE PLANNING TO TRAVEL TO SAN ANTONIO ON HIGHWAY 90 SHOULD CONSIDER
THE COST OF POSSIBLE HAIL DAMAGE TO THEIR VEHICLES WHILE THESE STORMS
REMAIN ALONG THIS ROUTE.

ANOTHER AREA OF THUNDERSTORMS IS IN THE NORTH OF VAL VERDE COUNTY BUT
THESE THUNDERSTORMS WERE WEAKENING. A RANCH NEAR HIGHWAY 163 IN SOUTH
CROCKETT COUNTY HAS REPORTED REPEATED PERIODS OF HAIL WITH THE STRONGEST
OF THESE THUNDERSTORMS. THESE THUNDERSTORMS WERE ABOUT 50 MILES NORTH
OF DEL RIO AND HAD MOVED LITTLE IN THE LAST HOUR.

Special weather statement, Apr 29, 7:25 PM CDT, 33 minutes before

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AUSTIN TX
725 PM CDT SAT APRIL 19 1989

...INTENSE THUNDERSTORMS NOW MOVING INTO WESTERN WILLIAMSON...
TRAVIS AND HAYS COUNTIES...

AT 720 PM...A LINE...20 MILES WIDE...OF THUNDERSTORMS EXTENDED FROM
JUST EAST OF LAMPASAS TO THE WEST END OF LAKE TRAVIS...TO WEST OF
DRIPPING SPRINGS.  AN ISOLATED STORM WAS ALOS BETWEEN SAN MARCOS
AND BUDA.  THEY WERE MOVING TOWARDS THE EAST AT 10 TO 20 MPH.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED FOR HIGH
WINDS...POSSIBLE HAIL AND CLOUD TO GROUND LIGHTNING.

REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH
OF THIS AREA UNTIL 9 PM TONIGHT...

Local storm report, Apr 29, 7:58 PM CDT, 0 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
757 PM CDT SAT APR 29 1989

745 PM...HAMS REPORTED A MEASURED WIND GUST TO 62 MPH AT LAGO VISTA
         OR 304/20 FROM AUSTIN.

AUS/JVD.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:13 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Medina	62 min
Apr 29, 7:18 PM CDT	Severe Thunderstorm Warning	EWX	Frio	57 min
Apr 29, 7:21 PM CDT	Severe Thunderstorm Warning	EWX	La Salle, Webb	54 min
Apr 29, 7:32 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell	58 min
Apr 29, 7:49 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Travis, Williamson	41 min
Apr 29, 7:53 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	67 min
Apr 29, 8:11 PM CDT	Severe Thunderstorm Warning	EWX	Frio	34 min
Apr 29, 8:11 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	34 min
Apr 29, 8:18 PM CDT	Tornado Warning	EWX	Wilson	42 min
Apr 29, 8:38 PM CDT	Severe Thunderstorm Warning	EWX	Guadalupe	52 min
Apr 29, 8:50 PM CDT	Severe Thunderstorm Warning	EWX	Wilson	55 min
Apr 29, 9:00 PM CDT	Severe Thunderstorm Warning	EWX	Burleson, Lee, Milam	60 min
Apr 29, 10:32 PM CDT	Tornado Warning	EWX	Goliad	58 min
Apr 29, 11:29 PM CDT	Tornado Warning	EWX	Jackson	46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1989 Every severe thunderstorm warning in 1989

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.