Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 197, NWS Austin/San Antonio, TX

June 22, 1997Travis County, Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 22, 1997, 8:47 AM CDT for Travis County, Williamson 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
Jun 22, 1997, 8:47 AM CDT (13:47 UTC)
Expired
Jun 22, 1997, 11:45 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Travis County, TX, Williamson County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 1.8 hours before the alert went out and 263 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, Fort Worth, TX at 12:00Z on 1997-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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, Fort Worth, TX at 12:00Z on 1997-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
160 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
-89 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 221347
FFWSAT
TXC453-491-221645-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
847 AM CDT SUN JUN 22 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...TRAVIS COUNTY...WILLIAMSON COUNTY
 
AT 845 AM...RADAR INDICATED SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN
WERE REDEVELOPING ACROSS PORTIONS OF TRAVIS AND WILLIAMSON COUNTIES.
HEAVIEST RAIN WAS LOCATED ALONG A NORTH/SOUTH LINE FROM FLORENCE TO
ANDICE... LIBERTY HILL... LEANDER... CEDAR PARK... JOLLYVILLE AND
THROUGH PORTIONS OF THE CITY OF AUSTIN.
 
RAIN AND HEAVY RAIN WAS WIDESPREAD WEST OF AUSTIN.  THIS RAIN WILL MOVE
INTO THE WARNED AREA PRODUCING MORE FLOODING THIS MORNING.
 
THIS IS A DANGEROUS AND LIFE THREATENING SITUATION ACROSS MUCH OF SOUTH
CENTRAL TEXAS AND THE HILL COUNTRY.  TRAVEL IS STRONGLY DISCOURAGED.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY.  NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT TO ESCAPE
RISING WATER DURING THREATENING RAINS.
 
FLOOD PRONE URBAN AREAS FILL WITH WATER QUICKLY.  CLOGGED STORM
DRAINS MAY CAUSE OTHER AREAS TO FLOOD.  DO NOT DRIVE THROUGH
FLOOD WATERS AND STAY AWAY FROM STORM DRAINS.
 
AVOID ALREADY FLOODED AREAS.  TRAVELERS SHOULD NOT ATTEMPT TO
CROSS FLOODED ROADS.  IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE
IMMEDIATELY TO HIGHER GROUND IF YOU CAN DO SO SAFELY.

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, Jun 22, 3:43 AM CDT, 5 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
343 AM CDT SUN JUN 22 1997

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

0340 AM    BANDERA                   TX   FLOODING
06/22/97   BANDERA                        18.5 INCHES OF RAIN DURING
                                          PAST 24 HRS.  HOMES GOING
                                          DOWN STREAM AND SEVERAL
                                          PEOPLE MISSING.

0340 AM    COMFORT                   TX   FLOODING
06/22/97   KENDALL                        PEOPLE EVACUATED ALONG
                                          CYPRESS CREEK NEAR COMFORT
Local storm report, Jun 22, 3:44 AM CDT, 5 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
343 AM CDT SUN JUN 22 1997

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

0340 AM    BANDERA                   TX   FLOODING
06/22/97   BANDERA                        18.5 INCHES OF RAIN DURING
                                          PAST 24 HRS.  HOMES GOING
                                          DOWN STREAM AND SEVERAL
                                          PEOPLE MISSING.

0340 AM    COMFORT                   TX   FLOODING
06/22/97   KENDALL                        PEOPLE EVACUATED ALONG
                                          CYPRESS CREEK NEAR COMFORT
Special weather statement, Jun 22, 5:12 AM CDT, 3 hours 35 minutes before
TXZ171>173-183>194-202>209-217>225-228-230000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 AM CDT SUN JUN 22 1997

...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTH
CENTRAL TEXAS...THE TEXAS HILL COUNTRY AND THE MIDDLE RIO GRANDE
PLAINS...

THERE IS A STRONG POTENTIAL FOR MORE HEAVY RAINFALL AND FLOODING OVER
MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY AND TONIGHT.
THE FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THE FOLLOWING
COUNTIES...

ATASCOSA...BANDERA...BLANCO...BURNET...DIMMIT...EDWARDS...
GILLESPIE...KENDALL..KERR...KINNEY...MAVERICK...LLANO...REAL...
BASTROP...CALDWELL...FAYETTE...HAYS...LEE...TRAVIS...WILLIAMSON...
ATASCOSA...BEXAR...COMAL...FRIO...GUADALUPE...MEDINA...UVALDE...
WILSON...ZAVALA...DE WITT...GONZALES...KARNES AND...LAVACA.

A STRONG...SLOW MOVING UPPER LEVEL LOW PRESSURE SYSTEM OVER CENTRAL
TEXAS...A MODERATE LOW LEVEL JET AND VERY WARM AND MOIST AIR OVER
SOUTH TEXAS WILL COMBINE TO PRODUCE HEAVY RAINFALL AND FLASH FLOODING
TODAY AND TONIGHT FOR SOUTH TEXAS.

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL PERSIST TODAY AND TONIGHT
WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES AND ISOLATED
AMOUNTS OF NEAR 6 INCHES OR MORE POSSIBLE.  MANY RIVERS...CREEKS AND
STREAMS ARE ALREADY FLOODED AND EVACUATIONS HAVE BEEN REPORTED ACROSS
THE HILL COUNTRY.  THIS IS A DANGEROUS SITUATION.  PLEASE STAY TUNED
TO WEATHER UPDATES.  MANY ROADS ARE CLOSED AND DRIVING IS NOT
RECOMMENDED TODAY...UNLESS YOU ARE MOVING TO HIGHER GROUND.

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

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.
Special weather statement, Jun 22, 5:13 AM CDT, 3 hours 34 minutes before
TXZ171>173-183>194-202>209-217>225-228-230000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 AM CDT SUN JUN 22 1997

...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTH
CENTRAL TEXAS...THE TEXAS HILL COUNTRY AND THE MIDDLE RIO GRANDE
PLAINS...

THERE IS A STRONG POTENTIAL FOR MORE HEAVY RAINFALL AND FLOODING OVER
MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY AND TONIGHT.
THE FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR THE FOLLOWING
COUNTIES...

ATASCOSA...BANDERA...BLANCO...BURNET...DIMMIT...EDWARDS...
GILLESPIE...KENDALL..KERR...KINNEY...MAVERICK...LLANO...REAL...
BASTROP...CALDWELL...FAYETTE...HAYS...LEE...TRAVIS...WILLIAMSON...
ATASCOSA...BEXAR...COMAL...FRIO...GUADALUPE...MEDINA...UVALDE...
WILSON...ZAVALA...DE WITT...GONZALES...KARNES AND...LAVACA.

A STRONG...SLOW MOVING UPPER LEVEL LOW PRESSURE SYSTEM OVER CENTRAL
TEXAS...A MODERATE LOW LEVEL JET AND VERY WARM AND MOIST AIR OVER
SOUTH TEXAS WILL COMBINE TO PRODUCE HEAVY RAINFALL AND FLASH FLOODING
TODAY AND TONIGHT FOR SOUTH TEXAS.

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL PERSIST TODAY AND TONIGHT
WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES AND ISOLATED
AMOUNTS OF NEAR 6 INCHES OR MORE POSSIBLE.  MANY RIVERS...CREEKS AND
STREAMS ARE ALREADY FLOODED AND EVACUATIONS HAVE BEEN REPORTED ACROSS
THE HILL COUNTRY.  THIS IS A DANGEROUS SITUATION.  PLEASE STAY TUNED
TO WEATHER UPDATES.  MANY ROADS ARE CLOSED AND DRIVING IS NOT
RECOMMENDED TODAY...UNLESS YOU ARE MOVING TO HIGHER GROUND.

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

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:30 PM CDTFlash Flood WarningEWXKendall60 min
Jun 21, 7:30 PM CDTSevere Thunderstorm WarningEWXKendall60 min
Jun 21, 8:41 PM CDTFlash Flood WarningEWXBlanco, Kendall4 hr
Jun 21, 8:41 PM CDTFlash Flood WarningEWXKerr4 hr
Jun 21, 9:25 PM CDTFlash Flood WarningEWXComal3 hr
Jun 21, 10:15 PM CDTFlash Flood WarningEWXGillespie4 hr
Jun 22, 12:03 AM CDTFlash Flood WarningEWXEdwards, Real4 hr
Jun 22, 12:03 AM CDTFlash Flood WarningEWXBandera4 hr
Jun 22, 12:38 AM CDTFlash Flood WarningEWXKendall, Kerr7 hr
Jun 22, 2:15 AM CDTFlash Flood WarningEWXBastrop, Burnet, Travis, Williamson6 hr
Jun 22, 2:15 AM CDTFlash Flood WarningEWXEdwards, Real6 hr
Jun 22, 2:15 AM CDTFlash Flood WarningEWXBexar, Medina6 hr
Jun 22, 2:15 AM CDTFlash Flood WarningEWXBlanco6 hr
Jun 22, 2:57 AM CDTFlash Flood WarningEWXUvalde6 hr
Jun 22, 3:28 AM CDTFlash Flood WarningEWXBandera5 hr
Jun 22, 3:28 AM CDTFlash Flood WarningEWXComal5 hr
Jun 22, 3:28 AM CDTFlash Flood WarningEWXGillespie5 hr
Jun 22, 7:36 AM CDTFlash Flood WarningEWXBandera, Edwards, Medina, Real, Uvalde4 hr
Jun 22, 7:36 AM CDTFlash Flood WarningEWXBexar, Comal, Kendall4 hr
Jun 22, 7:36 AM CDTFlash Flood WarningEWXGillespie, Kerr4 hr
Jun 22, 7:36 AM CDTFlash Flood WarningEWXBlanco, Llano4 hr
Jun 22, 8:04 AM CDTFlash Flood WarningEWXHays4 hr
Jun 22, 8:04 AM CDTFlash Flood WarningEWXBurnet4 hr
Jun 22, 11:15 AM CDTFlash Flood WarningEWXBandera, Bexar, Medina, Uvalde5 hr
Jun 22, 11:15 AM CDTFlash Flood WarningEWXBlanco, Gillespie, Kendall, Kerr, Llano5 hr
Jun 22, 11:15 AM CDTFlash Flood WarningEWXComal, Hays5 hr
Jun 22, 11:15 AM CDTFlash Flood WarningEWXBurnet5 hr
Jun 22, 11:15 AM CDTFlash Flood WarningEWXEdwards, Real5 hr
Jun 22, 11:20 AM CDTFlash Flood WarningEWXTravis, Williamson5 hr
Jun 22, 12:07 PM CDTFlash Flood WarningEWXGuadalupe4 hr
Jun 22, 3:58 PM CDTFlash Flood WarningEWXBandera, Bexar, Medina3 hr
Jun 22, 3:58 PM CDTFlash Flood WarningEWXBlanco, Comal, Gillespie, Kendall, Kerr3 hr
Jun 22, 3:58 PM CDTFlash Flood WarningEWXGuadalupe, Hays3 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.