Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 53, NWS Austin/San Antonio, TX

July 6, 20034 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 6, 2003, 6:30 AM CDT for 4 counties in 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 6, 2003, 6:30 AM CDT (11:30 UTC)
Expired
Jul 6, 2003, 9:30 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Edwards County, TX, Kinney County, TX, Maverick County, TX, Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 11.5 hours before the alert went out and 47 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 2003-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 466 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 2003-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
466 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
54 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 061131
FFWSAT
TXC137-271-323-465-061430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
630 AM CDT SUN JUL 6 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS
  VAL VERDE
  KINNEY
  MAVERICK

* UNTIL 930 AM CDT

* AT 630 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN MOVING ACROSS THESE COUNTIES FROM THE SOUTH. RAINFALL AMOUNTS 
WERE AVERAGING NEAR ONE HALF TO ONE INCH AN HOUR WITH ISOLATED 
HEAVIER AMOUNT UP TO TWO INCHES.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF SMALL 
CREEKS...STREAMS AND LOW WATER CROSSINGS. ADDITIONALLY...COUNTRY 
ROADS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED 
QUICKLY. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS 
IMMINENT. 

LAT...LON 3027 9979 3011 9982 3009 10010 2967 10009
          2966 10016 2824 10015 2825 10020 2912 10062
          2981 10141 2982 10171 3026 10172

$$
2 follow-up statements
000 
WGUS74 KEWX 061407
FFSSAT
TXC137-271-323-465-061430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
905 AM CDT SUN JUL 6 2003

...A FLASH FLOOD WARNING CONTINUES FOR EDWARDS...VAL VERDE...KINNEY
AND MAVERICK COUNTIES UNTIL 930 AM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS 
PRODUCING VERY HEAVY RAINFALL FROM EAGLE PASS NORTHWARD TO DEL RIO 
AND JUNO.  DOPPLER RADAR ESTIMATED RAINFALL RATES OF 1 TO 1.5 INCHES 
AN HOUR IN THE STRONGER STORMS.  MOVEMENT WAS NORTH AT 25 MPH.

SO FAR THIS MORNING 2.15 INCHES OF RAINFALL WAS REPORTED AT COMSTOCK 
WITH 2.60 INCHES ALONG SAN FELIPE CREEK IN DEL RIO.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE TO TRAIN 
NORTHWARD ACROSS DEL RIO OVER THE NEXT FEW HOURS.  ADDITIONAL 
RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE.  PERSONS IN THE DEL 
RIO AREA SHOULD REMAIN ALERT TO RISING WATERS.     

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST
WEATHER INFORMATION.

$$
000 
WGUS74 KEWX 061437
FFSSAT
TXC137-271-323-061500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
936 AM CDT SUN JUL 6 2003

...THE FLASH FLOOD WARNING FOR EDWARDS...KINNEY AND MAVERICK COUNTIES
HAS EXPIRED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE HEAVY RAINFALL WAS 
ENDING AND THE FLOOD THREAT WAS DIMINISHING. SOME MINOR FLOODING MAY 
CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED AND THE 
FLASH FLOOD WARNING HAS EXPIRED.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 9:27 AM CDTFlash Flood WarningEWXVal Verde2 hr

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.