Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 8, NWS Brownsville, TX

July 28, 2003Brooks County, Texas

NWS Brownsville, TX issued this flash flood warning at Jul 28, 2003, 5:02 PM CDT for Brooks 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 counties it named.

The facts

Issued
Jul 28, 2003, 5:02 PM CDT (22:02 UTC)
Expired
Jul 28, 2003, 8:00 PM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Whole counties

County Brooks County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.0 hours before the alert went out and 116 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, Corpus Christi, TX at 12:00Z on 2003-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2905 joules per kilogram.LCLEL10008507005003002001001 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, Corpus Christi, TX at 12:00Z on 2003-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
2905 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-24 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 KBRO 282206
FFWBRO
TXC047-290100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
502 PM CDT MON JUL 28 2003

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN BROOKS COUNTY IN DEEP SOUTH TEXAS

* UNTIL 800 PM CDT

* AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS NORTHWESTERN         
  BROOKS COUNTY. THESE THUNDERSTORMS WERE DRIFTING SLOWLY            
  NORTHWEST. DOPPLER RADAR ESTIMATED NEARLY 3 INCHES OF              
  RAINFALL HAS BEEN RECEIVED ALREADY IN THIS AREA. AN                
  ADDITIONAL 1 TO 2 INCHES OF RAINFALL ARE POSSIBLE DURING THE NEXT  
  HOUR.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...FALFURRIAS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

$$

PHILO
3 follow-up statements
000 
WGUS74 KBRO 282232
FFSBRO
TXC047-290100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
526 PM CDT MON JUL 28 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 800 PM CDT FOR NORTHERN BROOKS
COUNTY...

AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS NORTHERN BROOKS COUNTY.
DOPPLER RADAR HAS ESTIMATED 3 TO 5 INCHES OF RAINFALL OVER NORTHERN 
BROOKS COUNTY...15 MILES WEST OF FALFURRIAS.

SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING
TO OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER
CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FALFURRIAS.

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

MOST 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. REMEMBER...TURN 
AROUND...DONT DROWN.

$$

PHILO
000 
WGUS74 KBRO 282341
FFSBRO
TXC047-290100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
640 PM CDT MON JUL 28 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 800 PM CDT FOR NORTHERN BROOKS
COUNTY...

AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LINGERING SHOWERS OVER NORTHERN BROOKS COUNTY. DOPPLER RADAR HAS 
ESTIMATED 5 TO 8 INCHES OF RAINFALL OVER NORTHERN BROOKS COUNTY...10 
MILES SOUTHWEST OF FALFURRIAS...WITH A LARGE AREA OF OF NORTHERN 
BROOKS COUNTY RECEIVING 4 TO 6 INCHES OF RAINFALL.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FALFURRIAS.

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

MOST 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. REMEMBER...TURN 
AROUND...DONT DROWN.

LAT...LON 2734 9806 2695 9806 2698 9837 2734 9849

$$

PHILO
000 
WGUS74 KBRO 282343 CCA
FFSBRO
TXC047-290100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
640 PM CDT MON JUL 28 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 800 PM CDT FOR NORTHERN BROOKS
COUNTY...

AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LINGERING SHOWERS OVER NORTHERN BROOKS COUNTY. DOPPLER RADAR HAS 
ESTIMATED 5 TO 8 INCHES OF RAINFALL OVER NORTHERN BROOKS COUNTY...10 
MILES SOUTHWEST OF FALFURRIAS...WITH A LARGE AREA OF NORTHERN BROOKS 
COUNTY RECEIVING 4 TO 6 INCHES OF RAINFALL.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FALFURRIAS.

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

MOST 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. REMEMBER...TURN 
AROUND...DONT DROWN.

LAT...LON 2734 9806 2695 9806 2698 9837 2734 9849

$$

PHILO

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 4:52 PM CDTSevere Thunderstorm WarningBROBrooks38 min

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.