Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 129, NWS Austin/San Antonio, TX

August 26, 1998Edwards County, Kinney County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 26, 1998, 5:40 AM CDT for Edwards County, 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 26, 1998, 5:40 AM CDT (10:40 UTC)
Expired
Aug 26, 1998, 8:30 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Edwards County, TX, Kinney County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 10.7 hours before the alert went out and 46 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°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 261035
FFWSAT
TXC137-271-465-261330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
540 AM CDT WED AUG 26 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS
EXTENDED THE

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

* UNTIL 830 AM CDT

* FLASH FLOODING EXPECTED -
  IN AND AROUND DEL RIO IN VAL VERDE COUNTY...BETWEEN DEL RIO
  AND BRACKETTVILLE IN KINNEY COUNTY...FROM PANDALE TO COMSTOCK
  ALONG STATE ROAD 1024...ALONG AND OVER STATE ROAD 163 BETWEEN
  CONSTOCK AND JUNO...ALONG STATE ROAD 277 BETWEEN DEL RIO AND
  LOMA ALTA...AND OVER ALL LOW WATER CROSSINGS RELATED TO THE
  PECOS RIVER...THE DEVILS RIVER...AND THE DRY DEVILS RIVER.

* DOPPLER RADARS INDICATED SHOWERS AND THUNDERSTORMS OVER WESTERN
  EDWARDS...NORTHWESTERN KINNEY...AND VAL VERDE COUNTIES.  HEAVY
  RAINS ARE FALLING OVER THE RIVER BASINS OF THE PECOS AND DEVILS
  RIVERS IN VAL VERDE AND THE DRY DEVILS RIVER IN WESTERN EDWARDS
  COUNTY.  MOVEMENT IS TO THE NORTHWEST AT 15 MPH.  RAINFALL RATES
  OF ONE INCH AN HOUR CAN BE EXPECTED...ADDED TO THE FLOODED
  CONDITIONS NOW OCCURRING.  ADDITIONAL FLOODING IS EXPECTED...
  ALONG THE RIVERS...LOW WATER CROSSINGS...AND LOW LYING AREA.

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

AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED
TO MOVE TO HIGHER GROUND AS FLOOD WATERS THREATEN.  AS FLASH
FLOODING IS OBSERVED ACT QUICKLY.  DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

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 26, 5:15 AM CDT, 25 minutes before
TXZ171>173-183>194-202>209-217>225-228-270000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
515 AM CDT WED AUG 26 1998

...FLASH FLOOD WATCH IN EFFECT TODAY WESTERN SECTIONS OF SOUTH
   CENTRAL TEXAS AND WESTERN SECTIONS OF THE EDWARDS PLATEAU AND
   TEXAS HILL COUNTRY...

SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THE REMNANTS OF TROPICAL
STORM CHARLEY WILL CONTINUE TO DEVELOP ALONG AND JUST EAST OF THE
RIO GRANDE TODAY.  ADDITIONAL LOCALLY HEAVY RAINFALL AVERAGING
BETWEEN 1 AND 2 INCHES COULD CAUSE MORE FLOODING.

ELSEWHERE ACROSS SOUTH CENTRAL TEXAS...WIDELY SCATTERED SHOWERS OR
THUNDERSTORMS ARE FORECAST TODAY AND THIS EVENING.  RAINFALL AMOUNTS
WILL AVERAGE NEAR A QUARTER OF AN INCH OR LESS WITH HIGHER TOTALS
NEAR HALF AN INCH OR MORE POSSIBLE.

RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR NEARLY ALL MAJOR RIVERS AND
CREEKS ALONG AND EAST OF THE RIO GRANDE...INCLUDING THE RIO GRANDE...
DEVILS...PECOS...WEST NUECES...NUECES...DRY FRIO...FRIO AND SABINAL
RIVERS...THEIR WATERSHEDS AND BASINS...AND ALL CREEKS LEADING INTO
THEM.

LOW-WATER CROSSINGS...RURAL ROADS AND HIGHWAYS MAY ALSO BE FLOODED
OR CLOSED DUE TO HIGH FLOOD WATERS.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 10:36 PM CDTFlash Flood WarningEWXKinney, Val Verde3 hr
Aug 26, 1:31 AM CDTFlash Flood WarningEWXKinney, Val Verde119 min
Aug 26, 3:15 AM CDTFlash Flood WarningEWXKinney, 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.