Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 126, NWS Austin/San Antonio, TX

August 25, 1998Kinney County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 25, 1998, 10:36 PM CDT for Kinney County, Val Verde County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 25, 1998, 10:36 PM CDT (03:36 UTC)
Expired
Aug 26, 1998, 1:35 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Kinney County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.6 hours before the alert went out and 28 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, Del Rio, TX at 00:00Z on 1998-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3393 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, Del Rio, TX at 00:00Z on 1998-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
3393 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
708 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
98 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 260338 RRA
FFWSAT
TXC271-465-260635-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1036 PM CDT TUE AUG 25 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 135 AM CDT

* FLASH FLOODING EXPECTED AROUND-
  BRACKETTVILLE TO DEL RIO TO LANGTRY AND PANDALE

*AT 1030 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE
SHOWERS AND THUNDERSTORMS INCREASING OVER MUCH OF VAL VERDE AND
KINNEY COUNTIES.  HEAVY RAINFALL WAS INDICATED WITH RATES OF 1 TO 2
INCHES PER HOUR.  ALSO...SHOWERS AND THUNDERSTORMS WERE NOTED IN
MEXICO FROM DEL RIO SOUTH 100 MILES.  SHOWERS AND THUNDERSTORMS
WILL CONTINUE FOR AT LEAST THE NEXT THREE HOURS.


IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE
THROUGH WATER COVERING THE ROAD.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT
AT NIGH<T TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT
DRIVE THROUGH WATER OF UNKNOWN DEPTH.

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, Aug 25, 5:20 PM CDT, 5 hours 16 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
520 PM CDT TUE AUG 25 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR THE WESTERN HILL COUNTRY
AND WESTERN SECTIONS OF SOUTH CENTRAL TEXAS...

THE REMNANTS OF TROPICAL DEPRESSION CHARLEY EXTEND FROM NORTHEAST
MEXICO TO SOUTH OF SAN ANGELO.  A SLIGHT NORTHWARD MOVEMENT HAS BEEN
NOTED.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE WESTERN
HILL COUNTRY AND WESTERN SECTIONS OF SOUTH CENTRAL TEXAS TONIGHT.
MOVEMENT OF THE RAINFALL WILL BE RATHER SLOW AND LOCALLY HEAVY RAINS
WILL RESULT.  ADDITIONAL RAINFALL OF 1 TO 3 INCHES IS POSSIBLE
OVERNIGHT.

THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS SINCE
FRIDAY MAY LEAD TO ADDITIONAL FLOODING AND FLASH FLOODING OF RIVERS
AND STREAMS....LOW LYING AREAS AND ROADWAYS.

ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE
ACROSS SOUTH CENTRAL TEXAS AND THE EASTERN HILL COUNTRY THIS EVENING
AND WEDNESDAY AFTERNOON.  RAINFALL TOTALS OF 1 INCH ARE POSSIBLE.

FLOOD WARNINGS CONTINUE FOR NEARLY ALL MAJOR RIVERS AND TRIBUTARIES
FROM THE RIO GRANDE EASTWARD...INCLUDING THE WEST NUECES...NUECES...
DEVILS...PECOS...DRY FRIO...FRIO AND SABINAL RIVER WATERSHEDS AND
BASINS.

RESIDENTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY SHOULD LISTEN
FOR CURRENT FORECASTS AND FLASH FLOOD ADVISORIES ISSUED BY SOUTH AND
WEST CENTRAL TEXAS NATIONAL WEATHER SERVICE OFFICES UNTIL THE THREAT
OF FLOODING HAS SUBSIDED.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE
NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
SOUTHWEST TEXAS    FROM MIDLAND            LBBSPSMAF...WWUS35 KMAF
CONCHO VALLEY      FROM SAN ANGELO         LBBSPSSJT...WWUS35 KSJT
NORTH TEXAS        FROM FORT WORTH         FTWSPSFTW...WWUS35 KFTW
SOUTHEAST TEXAS    FROM HOUSTON/GALVESTON  SATSPSHOU...WWUS35 KHOU
COASTAL BEND/      FROM CORPUS CHRISTI     SATSPSCRP...WWUS35 KCRP
RIO GRANDE PLAINS

LOCAL INFORMATION FOR THE TEXAS COAST IS AVAILABLE VIA INTERNET
HOMEPAGES FROM SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES.  THESE
ADDRESSES CAN BE OBTAINED FROM WWW.SRH.NOAA.GOV WHICH IS THE HOMEPAGE
ADDRESS FOR THE NATIONAL WEATHER SERVICE SOUTHERN REGION.
Special weather statement, Aug 25, 5:20 PM CDT, 5 hours 16 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
520 PM CDT TUE AUG 25 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR THE WESTERN HILL COUNTRY
AND WESTERN SECTIONS OF SOUTH CENTRAL TEXAS...

THE REMNANTS OF TROPICAL DEPRESSION CHARLEY EXTEND FROM NORTHEAST
MEXICO TO SOUTH OF SAN ANGELO.  A SLIGHT NORTHWARD MOVEMENT HAS BEEN
NOTED.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE WESTERN
HILL COUNTRY AND WESTERN SECTIONS OF SOUTH CENTRAL TEXAS TONIGHT.
MOVEMENT OF THE RAINFALL WILL BE RATHER SLOW AND LOCALLY HEAVY RAINS
WILL RESULT.  ADDITIONAL RAINFALL OF 1 TO 3 INCHES IS POSSIBLE
OVERNIGHT.

THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS SINCE
FRIDAY MAY LEAD TO ADDITIONAL FLOODING AND FLASH FLOODING OF RIVERS
AND STREAMS....LOW LYING AREAS AND ROADWAYS.

ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE
ACROSS SOUTH CENTRAL TEXAS AND THE EASTERN HILL COUNTRY THIS EVENING
AND WEDNESDAY AFTERNOON.  RAINFALL TOTALS OF 1 INCH ARE POSSIBLE.

FLOOD WARNINGS CONTINUE FOR NEARLY ALL MAJOR RIVERS AND TRIBUTARIES
FROM THE RIO GRANDE EASTWARD...INCLUDING THE WEST NUECES...NUECES...
DEVILS...PECOS...DRY FRIO...FRIO AND SABINAL RIVER WATERSHEDS AND
BASINS.

RESIDENTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY SHOULD LISTEN
FOR CURRENT FORECASTS AND FLASH FLOOD ADVISORIES ISSUED BY SOUTH AND
WEST CENTRAL TEXAS NATIONAL WEATHER SERVICE OFFICES UNTIL THE THREAT
OF FLOODING HAS SUBSIDED.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE
NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
SOUTHWEST TEXAS    FROM MIDLAND            LBBSPSMAF...WWUS35 KMAF
CONCHO VALLEY      FROM SAN ANGELO         LBBSPSSJT...WWUS35 KSJT
NORTH TEXAS        FROM FORT WORTH         FTWSPSFTW...WWUS35 KFTW
SOUTHEAST TEXAS    FROM HOUSTON/GALVESTON  SATSPSHOU...WWUS35 KHOU
COASTAL BEND/      FROM CORPUS CHRISTI     SATSPSCRP...WWUS35 KCRP
RIO GRANDE PLAINS

LOCAL INFORMATION FOR THE TEXAS COAST IS AVAILABLE VIA INTERNET
HOMEPAGES FROM SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES.  THESE
ADDRESSES CAN BE OBTAINED FROM WWW.SRH.NOAA.GOV WHICH IS THE HOMEPAGE
ADDRESS FOR THE NATIONAL WEATHER SERVICE SOUTHERN REGION.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 1:31 AM CDTFlash Flood WarningEWXKinney, Val Verde119 min
Aug 26, 3:15 AM CDTFlash Flood WarningEWXKinney, Val Verde3 hr
Aug 26, 5:40 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde3 hr
Aug 26, 8:27 AM CDTFlash Flood WarningEWXVal Verde3 hr

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.