Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 131, NWS Austin/San Antonio, TX

June 15, 1997Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 15, 1997, 1:46 AM CDT for Uvalde County, Texas. It was in force for 59 min. 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 15, 1997, 1:46 AM CDT (06:46 UTC)
Expired
Jun 15, 1997, 2:45 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 6.8 hours before the alert went out and 104 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 1997-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4724 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 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
4724 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
2.2
Supercell composite
10.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 150648
FFWSAT
TXC463-150745-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
146 AM CDT SUN JUN 15 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...UVALDE COUNTY
 
AT 145 AM CDT...RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
PRODUCING HEAVY RAINS OVER UVALDE COUNTY. AREAS OF MODERATE RAIN
CONTINUED OVER WESTERN UVALDE COUNTY...WHILE AN AREA OF HEAVY RAIN
WAS OVER THE EASTERN THIRD OF THE COUNTY.  THE HEAVY RAIN AREA
WAS MOVING EAST AT 25 MPH.
 
IN ADDITION...STRONG GUSTY WINDS OF 20 TO 40 MPH ARE POSSIBLE OVER
THE EASTERN PART OF UVALDE COUNTY IN THE NEXT HOUR FROM THE
STRONGER THUNDERSTORMS.
 
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 HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR$
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS AND OTHER
PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN
THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.

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, Jun 14, 9:30 PM CDT, 4 hours 16 minutes before
TXZ171>173-183>194-202>209-217>225-228-151130-

HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
930 PM CDT SAT JUN 14 1997

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4 AM FOR THE HILL
   COUNTRY AND WESTERN PORTIONS OF SOUTH CENTRAL TEXAS...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING
COUNTIES UNTIL 4 AM... MENARD... KIMBLE... REAL... EDWARDS...
VAL VERDE... KINNEY... UVALDE... BANDERA... KERR... KENDALL...
GILLESPIE... BLANCO... MASON,,, LLANO... BURNET... THIS WATCH
INCLUDES THE CITIES OF MENARD... JUNCTION... LEAKEY... ROCKSPRINGS...
DEL RIO... BRACKETTVILLE... UVALDE... BANDERA... KERRVILLE...
BOERNE... FREDERICKSBURG... JOHNSON CITY... MASON... LLANO...
BURNET.

HAZARDOUS WEATHER IN THE FORM OF SEVERE THUNDERSTORMS IS POSSIBLE
TONIGHT FOR THIS AREA WITH LARGE HAIL... DAMAGING WINDS... ALONG WITH
THE POTENTIAL DEVELOPMENT OF TORNADOES.

THE THUNDERSTORMS MOVING INTO THE HILL COUNTRY AND SOUTH CENTRAL
TEXAS ARE FROM WEST TEXAS WERE REMNANTS OF PACIFIC TROPICAL STORM
BLANCA HAVE BEEN PRODUCING HEAVY RAINS... HAIL... HIGH WINDS... AND
TORNADOES.

RAINFALL AMOUNTS OF 1 INCH AVERAGE ARE POSSIBLE IN THE STRONGER
STORMS.

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 14, 9:42 PM CDT, 4 hours 4 minutes before
TXZ171>173-183>194-202>209-217>225-228-151130-

HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
930 PM CDT SAT JUN 14 1997

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4 AM FOR THE HILL
   COUNTRY AND WESTERN PORTIONS OF SOUTH CENTRAL TEXAS...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING
COUNTIES UNTIL 4 AM... MENARD... KIMBLE... REAL... EDWARDS...
VAL VERDE... KINNEY... UVALDE... BANDERA... KERR... KENDALL...
GILLESPIE... BLANCO... MASON,,, LLANO... BURNET... THIS WATCH
INCLUDES THE CITIES OF MENARD... JUNCTION... LEAKEY... ROCKSPRINGS...
DEL RIO... BRACKETTVILLE... UVALDE... BANDERA... KERRVILLE...
BOERNE... FREDERICKSBURG... JOHNSON CITY... MASON... LLANO...
BURNET.

HAZARDOUS WEATHER IN THE FORM OF SEVERE THUNDERSTORMS IS POSSIBLE
TONIGHT FOR THIS AREA WITH LARGE HAIL... DAMAGING WINDS... ALONG WITH
THE POTENTIAL DEVELOPMENT OF TORNADOES.

THE THUNDERSTORMS MOVING INTO THE HILL COUNTRY AND SOUTH CENTRAL
TEXAS ARE FROM WEST TEXAS WERE REMNANTS OF PACIFIC TROPICAL STORM
BLANCA HAVE BEEN PRODUCING HEAVY RAINS... HAIL... HIGH WINDS... AND
TORNADOES.

RAINFALL AMOUNTS OF 1 INCH AVERAGE ARE POSSIBLE IN THE STRONGER
STORMS.

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 14, 9:31 PM CDTFlash Flood WarningEWXVal Verde119 min
Jun 14, 9:31 PM CDTSevere Thunderstorm WarningEWXVal Verde119 min
Jun 14, 10:44 PM CDTSevere Thunderstorm WarningEWXKinney61 min
Jun 14, 11:04 PM CDTFlash Flood WarningEWXKinney116 min
Jun 14, 11:49 PM CDTFlash Flood WarningEWXMaverick, Real, Uvalde116 min
Jun 14, 11:49 PM CDTFlash Flood WarningEWXKerr116 min
Jun 15, 12:15 AM CDTSevere Thunderstorm WarningEWXMaverick45 min
Jun 15, 12:58 AM CDTSevere Thunderstorm WarningEWXUvalde, Zavala62 min
Jun 15, 1:59 AM CDTSevere Thunderstorm WarningEWXMedina61 min
Jun 15, 2:39 AM CDTSevere Thunderstorm WarningEWXBandera, Bexar66 min
Jun 15, 2:59 AM CDTSevere Thunderstorm WarningEWXKendall61 min
Jun 15, 4:42 AM CDTFlash Flood WarningEWXDimmit3 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.