Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 12, NWS Brownsville, TX

August 31, 2003Jim Hogg County, Texas

NWS Brownsville, TX issued this flash flood warning at Aug 31, 2003, 5:20 PM CDT for Jim Hogg 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, 5:20 PM CDT (22:20 UTC)
Expired
Aug 31, 2003, 8:30 PM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Jim Hogg County, TX

The radar

The Corpus Christi radar (KCRP), 136 km from the middle of the area, began a volume at 22:20 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

Corpus Christi, TX (KCRP), launched 12:00Z, 10.3 hours before the alert went out and 148 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 2003-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1472 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, Corpus Christi, TX at 12:00Z on 2003-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
1472 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
41 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 312226
FFWBRO
TXC247-010130-

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

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JIM HOGG COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 830 PM CDT

* AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS MOST OF JIM HOGG     
  COUNTY. DOPPLER RADAR ESTIMATED 2 TO 4 INCHES OF RAINFALL HAVE     
  BEEN RECEIVED JUST SOUTHWEST OF HEBBRONVILLE...AND IN SOUTHERN     
  PORTIONS OF THE COUNTY.

* 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...HEBBRONVILLE...GUERRA AND RANDADO.

STATE HIGHWAY 16 AND PORTIONS OF FM 1017 NEAR HEBBRONVILLE WILL 
LIKELY BE HEAVILY PONDED...WITH FLOODED PORTIONS OF THE ROADS 
POSSIBLE. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT 
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST 
OFFICE IN BROWNSVILLE.


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

LAT...LON 2735 9855 2684 9846 2681 9893 2730 9891

$$

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, 5:46 PM CDTFlash Flood WarningBROStarr3 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.