Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 98, NWS Austin/San Antonio, TX

August 23, 1998DeWitt County, Gonzales County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 23, 1998, 6:27 AM CDT for DeWitt County, Gonzales 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 23, 1998, 6:27 AM CDT (11:27 UTC)
Expired
Aug 23, 1998, 9:30 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties DeWitt County, TX, Gonzales County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 11.5 hours before the alert went out and 171 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 00:00Z on 1998-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1269 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, Corpus Christi, TX at 00:00Z on 1998-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1269 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
24 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 231128
FFWSAT
TXC123-177-231430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
627 AM CDT SUN AUG 23 1998

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

* FLASH FLOOD WARNING FOR...
  GONZALES COUNTY IN SOUTH CENTRAL TEXAS
  DEWITT COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 930 AM CDT

* FLASH FLOODING EXPECTED AROUND-
  BETWEEN CUERO AND YORKTOWN TO BETWEEN GONZALES AND SMILEY AND
  NIXON

* AT 625 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAINFALL WITH RATES NEAR 2 INCHES PER HOUR FROM SOUTH
  AND WEST GONZALES COUNTY TO SOUTH DEWITT COUNTY AND EXTENDING
  SOUTH.  RAINFALL WILL CONTINUE OVER GONZALES AND DEWITT COUNTY
  UNTIL 930 AM CDT.

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... SHOULD F4LOOD WATERS THREATEN. IF FLASH
FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. 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

Local storm report, Aug 23, 3:01 AM CDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1245 PM                              TX   FLOODING
08/22/98   WILSON                         SD REPORTS PORTIONS OF
                                          FARM ROAD 1107 AND 775
                                          COVERED WITH WATER.

0230 PM                              TX   FLOODING
08/22/98   ATASCOSA                       SHERRIFFS DEPARTMENT
                                          REPORTS MANY LOW LYING
                                          AREAS FLOODED. TEXAS ROAD
                                          97 BETWEEN CHARLOTTE AND
                                          BLUNZER WASHED OUT.

0430 PM                              TX   FLOODING
08/22/98   LAVACA                         FLOODING IN HALLETSVILLE.
                                          MANY SECONDARY ROADS, LOW
                                          LYING AREAS, AND LOW WATER
                                          CROSSINGS UNDER WATER IN
                                          LAVACA COUNTY.

1045 PM                              TX   FLOODING
08/22/98   BANDERA                        ALL 10 LOW WATER CROSSINGS
                                          FLOODED.
Local storm report, Aug 23, 3:01 AM CDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1245 PM                              TX   FLOODING
08/22/98   WILSON                         SD REPORTS PORTIONS OF
                                          FARM ROAD 1107 AND 775
                                          COVERED WITH WATER.

0230 PM                              TX   FLOODING
08/22/98   ATASCOSA                       SHERRIFFS DEPARTMENT
                                          REPORTS MANY LOW LYING
                                          AREAS FLOODED. TEXAS ROAD
                                          97 BETWEEN CHARLOTTE AND
                                          BLUNZER WASHED OUT.

0430 PM                              TX   FLOODING
08/22/98   LAVACA                         FLOODING IN HALLETSVILLE.
                                          MANY SECONDARY ROADS, LOW
                                          LYING AREAS, AND LOW WATER
                                          CROSSINGS UNDER WATER IN
                                          LAVACA COUNTY.

1045 PM                              TX   FLOODING
08/22/98   BANDERA                        ALL 10 LOW WATER CROSSINGS
                                          FLOODED.
Special weather statement, Aug 23, 5:15 AM CDT, 1 hour 12 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
515 AM CDT SUN AUG 23 1998

...FLASH FLOOD WATCH IN EFFECT FOR TODAY FOR SOUTH CENTRAL TEXAS AND
   THE HILL COUNTRY...

THE REMAINS OF TROPICAL DEPRESSION CHARLEY WERE MOVING SLOWLY WEST OF
UVALDE TO NEAR EAGLE PASS.  NUMEROUS TO WIDESPREAD SHOWERS AND
THUNDERSTORMS CAN BE EXPECTED AGAIN ACROSS SOUTH CENTRAL TEXAS AND
THE HILL COUNTRY TODAY.  RAINFALL RATES IN THE 1 TO 2 INCH PER HOUR
RANGE ARE LIKELY WITH ADDITIONAL TOTALS OF 2 TO 5 INCHES POSSIBLE.
THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS OF
SATURDAY AND EARLIER WILL LEAD TO ADDITIONAL FLOODING AND FLASH
FLOODING OF RIVERS AND STREAMS....LOW LYING AREAS AND ROADWAYS.

RAINFALL TOTALS FROM SATURDAY THROUGH 5 AM THIS MORNING HAVE
GENERALLY BEEN 2 TO 4 INCHES AREAWIDE WITH WIDELY SCATTERED AMOUNTS
UPWARDS OF 5 TO 6 INCHES.  LIGHTER AMOUNTS WERE NOTED NORTH OF A LINE
FROM LA GRANGE TO AUSTIN TO LLANO.

RESIDENTS OF SOUTH TEXAS SHOULD LISTEN FOR CURRENT FORECASTS AND
FLASH FLOOD ADVISORIES ISSUED BY THE SOUTH 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 23, 5:15 AM CDT, 1 hour 12 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
515 AM CDT SUN AUG 23 1998

...FLASH FLOOD WATCH IN EFFECT FOR TODAY FOR SOUTH CENTRAL TEXAS AND
   THE HILL COUNTRY...

THE REMAINS OF TROPICAL DEPRESSION CHARLEY WERE MOVING SLOWLY WEST OF
UVALDE TO NEAR EAGLE PASS.  NUMEROUS TO WIDESPREAD SHOWERS AND
THUNDERSTORMS CAN BE EXPECTED AGAIN ACROSS SOUTH CENTRAL TEXAS AND
THE HILL COUNTRY TODAY.  RAINFALL RATES IN THE 1 TO 2 INCH PER HOUR
RANGE ARE LIKELY WITH ADDITIONAL TOTALS OF 2 TO 5 INCHES POSSIBLE.
THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS OF
SATURDAY AND EARLIER WILL LEAD TO ADDITIONAL FLOODING AND FLASH
FLOODING OF RIVERS AND STREAMS....LOW LYING AREAS AND ROADWAYS.

RAINFALL TOTALS FROM SATURDAY THROUGH 5 AM THIS MORNING HAVE
GENERALLY BEEN 2 TO 4 INCHES AREAWIDE WITH WIDELY SCATTERED AMOUNTS
UPWARDS OF 5 TO 6 INCHES.  LIGHTER AMOUNTS WERE NOTED NORTH OF A LINE
FROM LA GRANGE TO AUSTIN TO LLANO.

RESIDENTS OF SOUTH TEXAS SHOULD LISTEN FOR CURRENT FORECASTS AND
FLASH FLOOD ADVISORIES ISSUED BY THE SOUTH 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 22, 7:30 PM CDTFlash Flood WarningEWXBexar2 hr
Aug 22, 7:55 PM CDTFlash Flood WarningEWXBandera, Uvalde3 hr
Aug 22, 7:55 PM CDTFlash Flood WarningEWXKerr3 hr
Aug 22, 9:15 PM CDTFlash Flood WarningEWXMedina3 hr
Aug 22, 9:50 PM CDTFlash Flood WarningEWXUvalde, Zavala4 hr
Aug 22, 10:51 PM CDTFlash Flood WarningEWXBandera3 hr
Aug 23, 12:00 AM CDTFlash Flood WarningEWXMedina2 hr
Aug 23, 1:43 AM CDTFlash Flood WarningEWXBandera, Real, Uvalde107 min
Aug 23, 1:43 AM CDTFlash Flood WarningEWXMedina, Zavala107 min
Aug 23, 1:43 AM CDTFlash Flood WarningEWXKinney107 min
Aug 23, 2:06 AM CDTFlash Flood WarningEWXDeWitt, Lavaca4 hr
Aug 23, 3:56 AM CDTFlash Flood WarningEWXEdwards, Kinney, Uvalde3 hr
Aug 23, 3:56 AM CDTFlash Flood WarningEWXReal3 hr
Aug 23, 5:06 AM CDTFlash Flood WarningEWXBandera, Medina3 hr
Aug 23, 6:52 AM CDTFlash Flood WarningEWXEdwards, Kerr, Kinney, Real, Uvalde4 hr
Aug 23, 7:46 AM CDTFlash Flood WarningEWXCaldwell, Comal, Guadalupe, Hays3 hr
Aug 23, 9:10 AM CDTFlash Flood WarningEWXVal Verde6 hr
Aug 23, 9:32 AM CDTFlash Flood WarningEWXBlanco6 hr
Aug 23, 10:13 AM CDTFlash Flood WarningEWXDeWitt, Gonzales, Lavaca6 hr
Aug 23, 10:46 AM CDTFlash Flood WarningEWXEdwards, Kinney, Uvalde4 hr
Aug 23, 10:46 AM CDTFlash Flood WarningEWXKerr, Real4 hr
Aug 23, 11:07 AM CDTFlash Flood WarningEWXCaldwell, Guadalupe, Hays4 hr
Aug 23, 2:39 PM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Real5 hr
Aug 23, 2:39 PM CDTFlash Flood WarningEWXKinney, Uvalde5 hr
Aug 23, 2:39 PM CDTFlash Flood WarningEWXVal Verde5 hr
Aug 23, 5:36 PM CDTFlash Flood WarningEWXAtascosa, Bexar, Wilson3 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.