Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 89, NWS Austin/San Antonio, TX

August 22, 1998Bandera County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 22, 1998, 10:51 PM CDT for Bandera 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 22, 1998, 10:51 PM CDT (03:51 UTC)
Expired
Aug 23, 1998, 2:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bandera County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.9 hours before the alert went out and 160 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 1998-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 854 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 1998-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
854 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
27 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 230352
FFWSAT
TXC019-230700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1051 PM CDT SAT AUG 22 1998

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

* FLASH FLOOD WARNING FOR...
  BANDERA COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 200 AM CDT

* FLASH FLOODING EXPECTED-
  COUNTYWIDE

* HEAVY RAINS COVERED MUCH OF BANDERA COUNTY EXTENDING FROM BANDERA
  WEST TO VANDERPOOL. RAINFALL RATES WERE AROUND ONE INCH AN HOUR.
  THE SHERIFF DEPARTMENT REPORTED THAT NEARLY ALL LOW WATER
  CROSSINGS COUNTYWIDE WERE FLOODED. AN ADDTIONAL ONE TO TWO INCHES
  OF RAIN IS POSSIBLE ESPECIALLY IN THE WESTERN HALF OF THE COUNTY.
  PERSONS LIVING IN FLOOD PRONE AREAS...NEAR CREEKS AND STREAMS
  SHOULD MONTIOR WATER LEVELS AND BE PREPARED FOR RAPID RISES AND
  POSSIBLE FLOODING.

IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND IF WATER
THREATENS. 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 NIGHT 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 22, 6:00 PM CDT, 4 hours 51 minutes before
TXZ171>173-183>194-202>209-217>225-228-231200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT SAT AUG 22 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT...

TROPICAL DEPRESSION CHARLEY IS NEAR COTULLA TEXAS.  MOVING TO THE
NORTHWEST AT 20 MPH.

NUMEROUS SHOWERS AND THUNDERSTORMS ASSOCIATED WITH CHARLEY HAVE
CONTINUED THROUGH THE AFTERNOON AND WILL PREVAIL AREAWIDE TONIGHT.
STORMS HAVE PRODUCE LOCALLY HEAVY RAINFALL...WHICH HAS RESULTED IN
FLOODING OF RIVER AND STREAMS....LOW LYING AREAS AND ROAD.  RAINFALL
TOTALS HAVE BEEN 2 TO 4 INCHES AREAWIDE WITH ISOLATED AMOUNTS UP TO 6
INCHES REPORTED.

NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TONIGHT AND PRODUCE
RAINFALL AMOUNTS OF 4 TO 6 INCHES WITH ISOLATED AMOUNTS UP TO 10
INCHES IN ADDITION TO THE TOTALS THAT HAVE ALREADY BEEN REPORTED.

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 22, 6:00 PM CDT, 4 hours 51 minutes before
TXZ171>173-183>194-202>209-217>225-228-231200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT SAT AUG 22 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT...

TROPICAL DEPRESSION CHARLEY IS NEAR COTULLA TEXAS.  MOVING TO THE
NORTHWEST AT 20 MPH.

NUMEROUS SHOWERS AND THUNDERSTORMS ASSOCIATED WITH CHARLEY HAVE
CONTINUED THROUGH THE AFTERNOON AND WILL PREVAIL AREAWIDE TONIGHT.
STORMS HAVE PRODUCE LOCALLY HEAVY RAINFALL...WHICH HAS RESULTED IN
FLOODING OF RIVER AND STREAMS....LOW LYING AREAS AND ROAD.  RAINFALL
TOTALS HAVE BEEN 2 TO 4 INCHES AREAWIDE WITH ISOLATED AMOUNTS UP TO 6
INCHES REPORTED.

NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TONIGHT AND PRODUCE
RAINFALL AMOUNTS OF 4 TO 6 INCHES WITH ISOLATED AMOUNTS UP TO 10
INCHES IN ADDITION TO THE TOTALS THAT HAVE ALREADY BEEN REPORTED.

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 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, 6:27 AM CDTFlash Flood WarningEWXDeWitt, Gonzales3 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.