Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 51, NWS Austin/San Antonio, TX

July 5, 2003Dimmit County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2003, 2:52 PM CDT for Dimmit County, Maverick County, Texas. It was in force for 113 min. 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, 2:52 PM CDT (19:52 UTC)
Expired
Jul 5, 2003, 4:45 PM CDT
In force
113 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Dimmit County, TX, Maverick County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.9 hours before the alert went out and 131 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 051956
FFWSAT
TXC127-323-052145-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  MAVERICK
  DIMMIT

* UNTIL 445 PM CDT

* AT 252 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN 25 MILES SOUTHWEST OF 
CARRIZO SPRINGS...OR ABOUT 16 MILES SOUTHEAST OF EL INDIO...MOVING 
NORTH AT 10 TO 15 MPH. RAINFALL RATES OF ONE AND A HALF TO TWO AND 
ONE HALF INCHES PER HOUR AND FREQUENT LIGHTNING WILL CONTINUE FOR 
THE NEXT COUPLE HOURS OVER THE WARNED AREA.

EXCESSIVE RUNOFF FROM THIS STORM 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.

LAT...LON 2868 10037 2824 10017 2830 9948 2845 9946

$$
1 follow-up statement
000 
WGUS74 KEWX 052049
FFSSAT
TXC127-323-052145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
344 PM CDT SAT JUL 5 2003

...A FLASH FLOOD WARNING CONTINUES FOR MAVERICK AND DIMMIT COUNTIES
UNTIL 445 PM CDT...

AT 345 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM PRODUCING HEAVY RAIN ABOUT FIVE MILES SOUTHEAST OF EL 
INDIO...MOVING NORTH AT 10 TO 15 MPH. DOPPLER RADAR ESTIMATES 
INDICATE AS MUCH AS TWO TO FOUR INCHES OF RAIN HAVE FALLEN OVER 
SOUTHERN MAVERICK COUNTY AND NORTHWEST DIMMIT COUNTY IN LESS THAN 
TWO HOURS.

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.

$$

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, 1:26 PM CDTFlash Flood WarningEWXFrio, Zavala3 hr
Jul 5, 1:59 PM CDTFlash Flood WarningEWXMedina, Uvalde2 hr
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.