Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 24, NWS Austin/San Antonio, TX

June 26, 19934 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 26, 1993, 11:02 AM CDT for 4 counties in Texas. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1993, 11:02 AM CDT (16:02 UTC)
Expired
Jun 26, 1993, 1:00 PM CDT
In force
118 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Atascosa County, TX, Gonzales County, TX, Karnes County, TX, Wilson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 4.0 hours before the alert went out and 166 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 12:00Z on 1993-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1718 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 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 12:00Z on 1993-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
1718 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 261602
FFWSAT
TXC013-177-255-493-261800-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1102 AM CDT SAT JUN 26 1993
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIESS...
 
IN SOUTH TEXAS
 
   ...ATASCOSA COUNTY...GONZALES COUNTY...KARNES COUNTY
   ...WILSON COUNTY
 
AT 11 AM CDT...THUNDERSTORMS PRODUCING VERY HEAVY RAINS CONTINUED FROM
SOUTH OF JOURDANTON TO KARNES CITY TO SOUTH OF GONZALES TO NEAR
FLORESVILLE. SOME RAINFALL AMOUNTS SO FAR INCLUDE 6.40 INCHES AT
PEARSALL...6.00 INCHES IN PLEASANTON...5.00 INCHES AT LEMING...AND 4.50
AT SMILEY. NUMEROUS ROADS ARE REPORTED FLOODED AND IMPASSABLE IN
ATASCOSA...WILSON...AND SOUTHERN GONZALES COUNTIES.
 
AVOID ALREADY FLOODED AREAS.  TRAVELERS SHOULD NOT ATTEMPT TO
CROSS FLOODED ROADS.  IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE
IMMEDIATELY TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS AND OTHER
PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN
THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.
 
 
 
&

What forecasters said that day

The local office's own words before this flash flood 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 26, 5:40 AM CDT, 5 hours 22 minutes before
TXZ035-038-039-040-041-261130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
540 AM CDT SAT JUN 26 1993

...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS...

AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF
AUSTIN.  AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL
WITHIN 45 MINUTES.  HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER
NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY.  THE
STORMS WERE SHOWING LITTLE MOVEMENT.

THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND
LIGHTNING.  THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES
UPROOTED IN POTEET.

MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS
MORNING.  FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS
ARE FLOODED ALONG YOUR PATH.

MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER
CROSSINGS.  IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT
AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 5:42 AM CDT, 5 hours 20 minutes before
TXZ035-038-039-040-041-260830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
540 AM CDT SAT JUN 26 1993

...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS...

AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF
AUSTIN.  AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL
WITHIN 45 MINUTES.  HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER
NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY.  THE
STORMS WERE SHOWING LITTLE MOVEMENT.

THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND
LIGHTNING.  THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES
UPROOTED IN POTEET.

MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS
MORNING.  FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS
ARE FLOODED ALONG YOUR PATH.

MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER
CROSSINGS.  IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT
AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 5:43 AM CDT, 5 hours 19 minutes before
TXZ035-038-039-040-041-261130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
540 AM CDT SAT JUN 26 1993

...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS...

AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF
AUSTIN.  AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL
WITHIN 45 MINUTES.  HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER
NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY.  THE
STORMS WERE SHOWING LITTLE MOVEMENT.

THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND
LIGHTNING.  THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES
UPROOTED IN POTEET.

MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS
MORNING.  FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS
ARE FLOODED ALONG YOUR PATH.

MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER
CROSSINGS.  IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT
AND MOVE TO HIGHER GROUND IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:21 AM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Jun 26, 6:06 AM CDTFlash Flood WarningEWXWilson3 hr
Jun 26, 7:12 AM CDTFlash Flood WarningEWXAtascosa2 hr
Jun 26, 9:20 AM CDTFlash Flood WarningEWXAtascosa, Frio, Zavala115 min
Jun 26, 9:20 AM CDTFlash Flood WarningEWXKarnes, Wilson115 min

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.