Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 13, NWS Brownsville, TX

August 31, 2003Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at Aug 31, 2003, 5:46 PM CDT for Starr 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
Aug 31, 2003, 5:46 PM CDT (22:46 UTC)
Expired
Aug 31, 2003, 9:00 PM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Starr County, TX

The radar

The Brownsville radar (KBRO), 155 km from the middle of the area, began a volume at 22:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 10.8 hours before the alert went out and 158 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, Brownsville Intl, TX at 12:00Z on 2003-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2299 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, Brownsville Intl, TX at 12:00Z on 2003-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
2299 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
30 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 312252
FFWBRO
TXC427-010200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
546 PM CDT SUN AUG 31 2003

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STARR COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 900 PM CDT

* AT 536 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER WESTERN AND NORTHERN   
  STARR COUNTY. THESE THUNDERSTORMS CONTINUE TO DRIFT EAST AT 10     
  MPH...DUMPING 2 TO 4 INCHES OF RAINFALL OVER STARR COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING                
  INCLUDE...FALCON DAM...EL SAUZ...ROMA...RIO GRANDE CITY...LA       
  GLORIA AND GARCIASVILLE.

RAINFALL RUNOFF WILL CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL 
AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

REPORT ANY FLOODING TO LAW ENFORCEMENT OFFICIALS...WHO WILL CONTACT 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE WITH THESE REPORTS.

LAT...LON 2676 9845 2619 9875 2650 9921 2659 9915

$$

PHILO
5 follow-up statements
000 
WGUS74 KBRO 312309
FFSBRO
TXC247-427-010130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
602 PM CDT SUN AUG 31 2003

...A FLASH FLOOD WARNING IS IN EFFECT FOR JIM HOGG COUNTY UNTIL 830
PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR STARR COUNTY UNTIL
900 PM CDT...

THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE TO DEVELOP
AND MOVE INTO WESTERN AND NORTHERN PORTIONS OF DEEP SOUTH
TEXAS.  FROM 2 TO 4 INCHES OF RAINFALL HAVE BEEN RECEIVED IN
PORTIONS OF JIM HOGG AND STARR COUNTIES.

AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THESE AREAS TONIGHT...WITH MEAN AREAL RAINFALL AMOUNTS OF 3 TO 4
INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE. DEVELOPMENT AND
MOVEMENT OF THUNDERSTORMS INTO BROOKS AND HIDALGO COUNTIES MAY
REQUIRE FLASH FLOOD WARNINGS IN THESE AREAS TONIGHT.

REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN.

FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER
RADIO BROADCAST.

$$

PHILO
000 
WGUS74 KBRO 312332
FFSBRO
TXC047-247-427-010130-

FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
629 PM CDT SUN AUG 31 2003

...A FLASH FLOOD WARNING IS IN EFFECT FOR JIM HOGG COUNTY UNTIL 830
PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR STARR COUNTY UNTIL
900 PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR BROOKS COUNTY UNTIL
930 PM CDT...

THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE TO DEVELOP
AND MOVE INTO WESTERN AND NORTHERN PORTIONS OF DEEP SOUTH
TEXAS. FROM 2 TO 4 INCHES OF RAINFALL HAVE BEEN RECEIVED IN
PORTIONS OF JIM HOGG AND STARR COUNTIES.

AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THESE AREAS TONIGHT...WITH MEAN AREAL RAINFALL AMOUNTS OF 3 TO 4
INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE. DEVELOPMENT AND
MOVEMENT OF THUNDERSTORMS INTO HIDALGO COUNTY MAY REQUIRE A FLASH
FLOOD WARNING IN THAT AREA SOON.

REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN.

FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER
RADIO BROADCAST.

$$

PHILO
000 
WGUS74 KBRO 010013
FFSBRO
TXC047-247-427-010200-

FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
710 PM CDT SUN AUG 31 2003

...THE FLASH FLOOD WARNING IN EFFECT FOR JIM HOGG COUNTY HAS BEEN 
CANCELED...
...A FLASH FLOOD WARNING IS IN EFFECT FOR STARR COUNTY UNTIL
900 PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR BROOKS COUNTY UNTIL
930 PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR HIDALGO COUNTY UNTIL 1000 
PM CDT...

THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE TO DEVELOP AND MOVE 
INTO WESTERN AND NORTHERN PORTIONS OF DEEP SOUTH TEXAS. FROM 2 TO 4 
INCHES OF RAINFALL HAVE BEEN RECEIVED IN PORTIONS OF BROOKS... 
STARR AND HIDALGO COUNTIES.

AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THESE AREAS TONIGHT...WITH MEAN AREAL RAINFALL AMOUNTS OF 3 TO 4 
INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. DEVELOPMENT AND 
MOVEMENT OF THUNDERSTORMS INTO OTHER AREAS OF DEEP SOUTH TEXAS MAY 
NECESSITATE WARNINGS LATER.

REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN.

FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER
RADIO BROADCAST.

$$

PHILO
000 
WGUS74 KBRO 010042
FFSBRO
TXC047-247-427-010201-

FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
741 PM CDT SUN AUG 31 2003

...A FLASH FLOOD WARNING FOR STARR COUNTY HAS BEEN CANCELED...
...A FLASH FLOOD WARNING IS IN EFFECT FOR BROOKS COUNTY UNTIL
930 PM CDT...
...A FLASH FLOOD WARNING IS IN EFFECT FOR HIDALGO COUNTY UNTIL 1000 
PM CDT...

THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE TO DEVELOP AND MOVE 
INTO CENTRAL PORTIONS OF DEEP SOUTH TEXAS. FROM 2 TO 4 INCHES OF 
RAINFALL HAVE BEEN RECEIVED IN PORTIONS OF BROOKS...STARR AND 
HIDALGO COUNTIES.

AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THESE AREAS TONIGHT...WITH MEAN AREAL RAINFALL AMOUNTS OF 3 TO 4 
INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. DEVELOPMENT AND 
MOVEMENT OF THUNDERSTORMS INTO OTHER AREAS OF DEEP SOUTH TEXAS MAY 
NECESSITATE WARNINGS LATER.

REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN.

FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER
RADIO BROADCAST.

$$

PHILO
000 
WGUS74 KBRO 010103
FFSBRO
TXC047-247-427-010300-

FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
800 PM CDT SUN AUG 31 2003

...THE FLASH FLOOD WARNING FOR BROOKS COUNTY HAS BEEN CANCELED...
...A FLASH FLOOD WARNING IS IN EFFECT FOR HIDALGO COUNTY UNTIL 1000 
PM CDT...

THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE DECREASED IN INTENSITY 
NOW AND MOVED INTO HIDALGO COUNTY. ALL OTHER PREVIOUS FLASH FLOOD 
WARNINGS FOR JIM HOGG...BROOKS...AND STARR HAVE BEEN CANCELED.

AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS 
HIDALGO COUNTY...WITH MEAN AREAL RAINFALL AMOUNTS OF 1 TO 2 
INCHES...AND LOCALLY HIGHER AMOUNTS POSSIBLE. DEVELOPMENT AND 
MOVEMENT OF THUNDERSTORMS INTO OTHER AREAS OF DEEP SOUTH TEXAS MAY 
NECESSITATE WARNINGS LATER.

REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN.

FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER
RADIO BROADCAST.

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 5:20 PM CDTFlash Flood WarningBROJim Hogg3 hr
Aug 31, 6:15 PM CDTFlash Flood WarningBROBrooks3 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; radar from the NEXRAD Level II archive.