Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 139, NWS Austin/San Antonio, TX

July 14, 2002Gillespie County, Kerr County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 14, 2002, 12:36 PM CDT for Gillespie County, Kerr 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 outline as issued.

The facts

Issued
Jul 14, 2002, 12:36 PM CDT (17:36 UTC)
Expired
Jul 14, 2002, 4:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Gillespie County, TX, Kerr County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 5.6 hours before the alert went out and 191 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 12:00Z on 2002-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1420 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 12:00Z on 2002-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 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
1420 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
-18 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 
WGUS54 KEWX 141736
FFWSAT
TXC171-265-142100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1234 PM CDT SUN JUL 14 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  GILLESPIE
  KERR

* UNTIL 4 PM CDT

* AT 1234 PM...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS
OF RAIN...HEAVY AT TIMES...OVER PARTS OF KERR AND GILLESPIE
COUNTIES...FROM SHOWERS AND THUNDERSTORMS.  THESE SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THE NEXT 1 TO 
2 HOURS.

EXCESSIVE RUNOFF FROM THESE SHOWERS AND THUNDERSTORMS WILL CAUSE 
FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND 
UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE 
BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3001 9957 2996 9919 2988 9900 3018 9899
          3018 9864 3032 9862 3046 9868 3044 9927
          3024 9930

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:32 PM CDTFlash Flood WarningEWXLavaca118 min
Jul 13, 7:33 PM CDTFlash Flood WarningEWXLavaca117 min
Jul 13, 9:46 PM CDTFlash Flood WarningEWXDeWitt119 min
Jul 13, 10:12 PM CDTFlash Flood WarningEWXLavaca93 min
Jul 14, 7:21 AM CDTFlash Flood WarningEWXBurnet114 min
Jul 14, 10:02 AM CDTFlash Flood WarningEWXBurnet, Llano3 hr
Jul 14, 12:42 PM CDTFlash Flood WarningEWXEdwards, Real3 hr
Jul 14, 1:26 PM CDTFlash Flood WarningEWXLee3 hr
Jul 14, 2:01 PM CDTFlash Flood WarningEWXKendall119 min
Jul 14, 2:05 PM CDTFlash Flood WarningEWXBastrop, Caldwell, Hays115 min
Jul 14, 2:40 PM CDTFlash Flood WarningEWXBandera3 hr
Jul 14, 2:48 PM CDTFlash Flood WarningEWXKinney3 hr
Jul 14, 3:38 PM CDTFlash Flood WarningEWXEdwards, Real2 hr
Jul 14, 3:42 PM CDTFlash Flood WarningEWXComal, Kendall2 hr
Jul 14, 3:46 PM CDTFlash Flood WarningEWXBastrop, Fayette, Lee2 hr
Jul 14, 3:55 PM CDTFlash Flood WarningEWXDimmit, Maverick2 hr
Jul 14, 5:00 PM CDTFlash Flood WarningEWXBexar, Guadalupe, Medina, Uvalde2 hr
Jul 14, 5:24 PM CDTFlash Flood WarningEWXZavala96 min
Jul 14, 5:31 PM CDTFlash Flood WarningEWXVal Verde89 min
Jul 14, 5:55 PM CDTFlash Flood WarningEWXKinney, Maverick65 min
Jul 14, 6:24 PM CDTFlash Flood WarningEWXDeWitt96 min
Jul 14, 6:53 PM CDTFlash Flood WarningEWXAtascosa, Wilson2 hr
Jul 14, 6:56 PM CDTFlash Flood WarningEWXMedina, Uvalde2 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.