Alert archive / Texas / Flash Flood Warnings in 1988

Flash Flood Warning 8, NWS Austin/San Antonio, TX

June 26, 1988Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 26, 1988, 4:22 AM CDT for Uvalde County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 26, 1988, 4:22 AM CDT (09:22 UTC)
Expired
Jun 26, 1988, 8:30 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Uvalde County, TX

The radar

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

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 00:00Z, 9.4 hours before the alert went out and 284 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, Victoria Regiona, TX at 00:00Z on 1988-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2474 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, Victoria Regiona, TX at 00:00Z on 1988-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 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
2474 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-11 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 260923
FFWSAT
TXC463-261330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
422 AM CDT SUN JUN 26 1988
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH TEXAS
          ...NORTHERN UVALDE
 
HONDO RADAR INDICATES THUNDERSTORMS PRODUCING HEAVY RAINFALL OVER THE
NORTHERN PART OF UVALDE COUNTY. THESE THUNDERSTORMS ARE MOVING TO THE
NORTHEAST AT 15 MILES AN HOUR. HIGHWAY 55 NORTHWEST OF THE CITY OF
UVALDE HAS BEEN CLOSED DUE TO HIGH WATER AND FLOODING HAS BEEN
REPORTED IN THE CONCAN AREA.
 
 
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.

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 25, 10:27 PM CDT, 5 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1025 PM CDT SAT JUN 25 1988

...THUNDERSTORMS CONTINUE OVER SAN ANTONIO AND BEXAR COUNTY...MORE ON
   THE WAY...

AT 1020 PM CDT...THUNDERSTORMS CONTINUED OVER SAN ANTONIO AND BEXAR
COUNTY....AND ADJACENT EASTERN MEDINA COUNTY.  MOVEMENT WAS TOWARD
THE NORTH AT 10 MPH INTO COMAL...KENDALL...BANDERA AND KERR COUNTIES.
FREQUENT LIGHTNING...GUSTY WINDS AND BRIEF MODERATE TO HEAVY RAINS
ACCOMPANY THE THUNDERSTORMS.

MOTORISTS SHOULD BE PREPARED FOR WET SLICK STREETS AND HIGHWAYS...AND
REDUCED DRIVING VISIBILITY IN THE HEAVIER RAIN AREAS.  PERSONS IN THE
WESTERN PART OF SAN ANTONIO AND BEXAR COUNTY...ESPECIALLY THOSE OUT-
OF-DOORS AT SEA WORLD OF TEXAS...SHOULD BE READY TO SEEK SAFE SHELTER
IF THREATENING WEATHER IS SIGHTED.  RESIDENTS LIVING NEAR FLOOD-PRONE
CREEKS OR LOW-LYING AREAS SHOULD BE PREPARED TO MOVE TO SAFETY IF
HEAVY RAIN OR FLOODING IS OBSERVED.

IN ADDITION...HONDO RADAR INDICATES AN AREA OF THUNDERSTORMS IN FRIO
COUNTY FROM PEARSALL TO COTULLA...MOVING TOWARD THE NORTH TOWARD BEXAR
COUNTY.  THIS AREA SHOULD MOVE INTO THE METROPOLITAN AREA WITHIN AN
HOUR OR TWO...AND CONTINUE THE THREAT OF THUNDmERSTORMS INTO EARLY
SUNDAY MORNING.

AS CONDITIONS WARRANT...ADDITIONAL BULLETINS WILL BE ISSUED DURING THE
EVENING...SO PLEASE STAY TUNED.
Special weather statement, Jun 25, 11:55 PM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1205 AM CDT SUN JUN 26 1988

RADAR SHOWS A LARGE BAND OF RAIN OVER THE HILL COUNTRY... JUST
WEST OF AUSTIN. THIS AREA OF RAIN IS NEARLY 80 MIOLES WIDE AND
EXTENDS FROM EAST OF BROWNWOOD TO SOUTH OF SAN ANTONIO.

RAIN... WITH LOCAL HEAVY THUNDERSTORMS WILL BE MOVING THROUGH THE
CAPITAL CITY BETWEEN MIDNIGHT AND 2 AM THIS MORNING.
Special weather statement, Jun 26, 2:08 AM CDT, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
210 AM CDT SUN JUN 26 1988

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR COMAL AND BEXAR
COUNTIES INCLUDING THE SAN ANTONIO METROPOLITAN AREA...

ALTHOUGH THE LINE OF THUNDERSTORMS WHICH PRODUCED THE HEAVY RAINS
ACROSS BEXAR AND COMAL COUNTIES HAS MOVED OUT OF THE AREA THE POTENTIAL
FOR ADDITIONAL RAIN CONTINUES.  THE ATMOSPHERE OVER ALL OF SOUTH TEXAS
THIS MORNING IS UNSTABLE AND THUNDERSTORMS CONTINUE TO DEVELOP TO THE
WEST AND SOUTH OF BEXAR COUNTY.  NATIONAL WEATHER SERVICE RADAR SHOWS
THESE STORMS MOVING TO THE NORTH AT ABOUT 10 MILES AN HOUR...AS A
RESULT A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
BEXAR AND COMAL COUNTIES.

RAINFALL AMOUNTS OF 1 TO 2 INCHES HAVE BEEN REPORTED ACROSS SAN ANTONIO
THIS MORNING WITH 2 TO 3 INCHES OVER COMAL COUNTY.  SINCE THE GROUND
IS SATURATED ANY ADDITIONAL RAINS WILL CONTINUE TO RUN OFF.
        <
IF YOU ARE DRIVING AROUND THE AREA THIS MORNING YOU SHOULD BE PREPARED
FOR SLICK STREETS AND HIGHWAYS.  RESIDENTS LIVING NEAR FLOOD-PRONE
CREEKS AND LOW-LYING AREAS SHOULD BE PREPARED TO MOVE TO SAFETY IF
HEAVY RAIN OR FLOODING IS OBSERVED.

ADDITIONAL ST4ATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:10 AM CDTFlash Flood WarningEWXEdwards, Real4 hr
Jun 26, 5:18 AM CDTFlash Flood WarningEWXEdwards, Real3 hr
Jun 26, 8:34 AM CDTFlash Flood WarningEWXEdwards, Real3 hr

Nearby

Flash Flood Warnings in Texas, 1988Every flash flood warning in 1988

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.