Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 45, NWS Austin/San Antonio, TX

July 5, 2003Medina County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2003, 7:25 AM CDT for Medina County, Uvalde 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, 7:25 AM CDT (12:25 UTC)
Expired
Jul 5, 2003, 10:15 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Medina County, TX, Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 0.4 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 051225
FFWSAT
TXC325-463-051515-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  MEDINA
  UVALDE

* UNTIL 1015 AM CDT

* AT 725 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  ACROSS MUCH OF MEDINA AND EASTERN UVALDE COUNTY. RAINFALL RATES OF 
  1 TO 2 INCHES PER HOUR WILL PERSIST FOR THE NEXT COUPLE OF HOURS.
  HONDO AIRPORT HAS REPORTED 2.12 INCHES OF RAIN AS OF 7 AM.  THE 
  ADDITIONAL RAINFALL WILL CAUSE STREAMS TO CONTINUE TO RISE.  PERSONS
  ALONG HONDO AND SECO CREEKS SHOULD BE ESPECIALLY CAUTIOUS.  

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.

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.

LAT...LON 2912 9978 2912 9886 2956 9882 2962 9979

$$
1 follow-up statement
000 
WGUS74 KEWX 051406
FFSSAT
TXC325-463-051500-

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

...A FLASH FLOOD WARNING CONTINUES FOR MEDINA AND UVALDE COUNTIES
UNTIL 1015 AM CDT...

AT 855 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
HEAVY RAINS EXTENDING FROM JUST SOUTH OF SABINAL TO HONDO TO MICO IN 
MEDINA AND UVALDE COUNTIES. RAINFALL RATES OF THREE QUARTERS OF AN 
INCH TO ONE AND ONE HALF INCHES PER HOUR WILL CONTINUE OVER THE NEXT 
HOUR AND A HALF. HONDO MUNICIPAL AIRPORT REPORTED 3.59 INCHES OF 
RAIN OVER THE PAST FOUR HOURS.  

EXCESSIVE RUNOFF FROM HEAVY RAINS WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND 
ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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, 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, 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.