Alert archive / Texas / Flash Flood Warnings in 1988

Flash Flood Warning 5, NWS Austin/San Antonio, TX

June 25, 1988Real County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 25, 1988, 2:59 AM CDT for Real County, Uvalde County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 25, 1988, 2:59 AM CDT (07:59 UTC)
Expired
Jun 25, 1988, 5:00 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Real County, TX, 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, 8.0 hours before the alert went out and 293 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 1988-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1183 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, Victoria Regiona, TX at 00:00Z on 1988-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
1183 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
4 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 250801
FFWSAT
TXC385-463-251000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
259 AM CDT SAT JUN 25 1988
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  500 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
          ...SOUTHERN REAL...NORTHERN UVALDE
 
AT 255 AM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY
RAIN NEARLY STATIONARY OVER SOUTHERN REAL AND NORTHERN UVALDE COUNTIES
JUST NORTH OF GARNER STATE PARK. RADAR INDICATES RAINFALL TOTALS OF 3
TO 5 INCHES WITHIN THE PAST THREE HOURS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
 
ROEMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.

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 24, 9:02 PM CDT, 5 hours 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
900 PM CDT FRI JUN 24 1988

AT 855 PM CDT...HONDO RADAR SHOWED AN AREA OF THUNDERSTORMS FROM
FALCON LAKE NORTHWARD ALONG THE RIO GRANDE TO LAREDO...EAGLE PASS
AND DEL RIO.

THE THUNDERSTORMS OVER LAREDO HAVE PRODUCED LOCALLY HEAVY RAINFALL
DURING THE PAST FEW HOURS.  LAREDO DPS REPORTS SOME STREET FLOODING
IN AND AROUND THE CITY AND ADJACENT SECTIONS OF WEBB COUNTY.  RADAR
SHOWS MORE STORMS TO THE SOUTH OF LAREDO MOVING NORTHWARD TOWARD THE
CITY.  IF THESE STORMS HOLD TOGETHER FOR A WHILE LONGER...ADDITIONAL
RAIN AND LOCALIZED LOW-LAND AND STREET FLOODING MAY CONTINUE.

THE FORECAST CALLS FOR MOST OF THE THUNDERSTORM ACTIVITY TO DIMINISH
DURING THE EVENING...BUT STAY TUNED TO LATER BULLETINS FOR UPDATES ON
THE WEATHER SITUATION IN SOUTH TEXAS.
Special weather statement, Jun 24, 9:38 PM CDT, 5 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
940 PM CDT FRI JUN 24 1988

AT 935 PM CDT...HONDO RADAR SHOWED AN AREA OF THUNDERSTORMS IN WEBB
COUNTY...JUST EAST OF LAREDO.  THE AREA EXTENDS NORTHWARD INTO LASALLE
AND DIMMIT COUNTIES.

LOCALLY HEAVY RAINS HAVE BEEN REPORTED WITH THESE THUNDERSTORMS DURING
THE EVENING WITH STREET FLOODING IN THE CITY OF LAREDO AND ADJACENT
AREAS.  MOTORISTS TRAVELING INTERSTATE 35 BETWEEN LAREDO AND COTULLA
SHOULD BE ALERT FOR THESE LOCALLY HEAVY RAINS WHICH MAY PRODUCE SOME
FLOODING ALONG THE INTERSTATE...AS WELL AS REDUCING VISIBILITIES IN
THE HEAVIER SHOWERS...CREATING HAZARDOUS DRIVING CONDITIONS.  U. S.
HIGHWAY 59 BETWEEN LAREDO AND FREER MAY ALSO BE ADVERSELY AFFECTED
BY THESE STORMS THIS EVENING.

THE FORECAST CALLS FOR MOST OF THE THUNDERSTORM ACTIVITY TO DIMINISH
DURING THE EVENING.  PLEASE STAY TUNED TO LATER BULLETINS FOR UPDATES
ON THE WEATHER SITUATION IN SOUTH TELXAS.
Special weather statement, Jun 24, 10:56 PM CDT, 4 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1100 PM CDT FRI JUN 24 1988

AT 1055 PM CDT...HONDO RADAR SHOWED AN AREA OF THUNDERSTORMS IN WEBB
COUNTY...JUST EAST OF LAREDO.  THE AREA EXTENDS NORTHWARD INTO LASALLE
COUNTY.

SOME STREET FLOODING WAS REPORTED IN AND AROUND LAREDO EARLIER IN THE
EVENING.  MOST OF THE THUNDERSTORMS ARE NOW EAST OF LAREDO...WITH VERY
LITTLE MOVEMENT INDICATED.  THE AREA OF HEAVIEST RAINFALL IS OVER OPEN
RANGELAND...BETWEEN LAREDO AND FREER...AND BETWEEN LAREDO AND COTULLA.
NORMALLY DRY CREEKS AND ARROYOS MAY EXPERIENCE LOCALIZED FLOODING THIS
EVENING AND SATURDAY MORNING IN RESPONSE TO RUNOFF FROM THESE RAINS.

IN ADDITION...DRIVING ALONG INTERSTATE 35 BETWEEN LAREDO AND COTULLA...
AND ALONG U. S. HIGHWAY 59 BETWEEN LAREDO AND FREER...MAY BE ADVERSELY
AFFECTED BY THESE STORMS THIS EVENING.  MOTORISTS SHOULD EXERCISE CARE
AND CAUTION AND REDUCE DRIVING SPEEDS ACCORDINGLY IN THE RAIN AREAS.
<
ADDITIONAL BULLETINS WILL BE ISSUED AS CONDITIONS WARRANT...SO PLEASE
STAY TUNED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 6:53 PM CDTFlash Flood WarningEWXReal, Uvalde4 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.