Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 49, NWS Austin/San Antonio, TX

July 5, 2003Frio County, Zavala County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2003, 1:26 PM CDT for Frio County, Zavala 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 5, 2003, 1:26 PM CDT (18:26 UTC)
Expired
Jul 5, 2003, 4:30 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Frio County, TX, Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.4 hours before the alert went out and 139 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 2003-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 476 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 12:00Z on 2003-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
476 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
4 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 051833
FFWSAT
TXC163-507-052130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
126 PM CDT SAT JUL 5 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  FRIO
  ZAVALA

* UNTIL 430 PM CDT

* AT 126 PM...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN     
  FROM CRYSTAL CITY TO LA PRYOR TO BATESVILLE TO FRIO AND MOORE.
  DOPPLER RADAR ESTIMATES 5 TO 6 INCHES OF RAIN HAVE FALLEN SINCE
  EARLY THIS MORNING NEAR FRIO TOWN.  ADDITIONAL WAVES OF            
  THUNDERSTORMS ARE MOVING UP FROM DEEP SOUTH TEXAS WHICH WILL       
  ONLY AGGRAVATE FLASH FLOODING.  
         
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.

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 SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. 

LAT...LON 2873 10002 2870 9943 2868 9888 2906 9889
          2906 10005

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 6:50 AM CDTFlash Flood WarningEWXBexar3 hr
Jul 5, 7:25 AM CDTFlash Flood WarningEWXMedina, Uvalde3 hr
Jul 5, 10:10 AM CDTFlash Flood WarningEWXMedina, Uvalde2 hr
Jul 5, 10:24 AM CDTFlash Flood WarningEWXFrio, Zavala3 hr
Jul 5, 11:57 AM CDTFlash Flood WarningEWXMedina, Uvalde2 hr
Jul 5, 1:59 PM CDTFlash Flood WarningEWXMedina, Uvalde2 hr
Jul 5, 2:52 PM CDTFlash Flood WarningEWXDimmit, Maverick113 min
Jul 5, 3:58 PM CDTFlash Flood WarningEWXFrio, Medina, Uvalde, Zavala4 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.