Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 49, NWS Brownsville, TX

September 3, 2004Hidalgo County, Texas

NWS Brownsville, TX issued this flash flood warning at Sep 3, 2004, 5:02 PM CDT for Hidalgo County, Texas. It was in force for 88 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
Sep 3, 2004, 5:02 PM CDT (22:02 UTC)
Expired
Sep 3, 2004, 6:30 PM CDT
In force
88 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 113 km from the middle of the area, began a volume at 22:02 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, 10.0 hours before the alert went out and 115 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 2004-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 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 2004-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
505 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KBRO 032204
FFWBRO
TXC215-032330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
502 PM CDT FRI SEP 3 2004

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS

* UNTIL 630 PM CDT

* AT 502 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
  DOPPLER RADAR ESTIMATED NEARLY 2 INCHES OF RAINFALL HAS BEEN RECEIVED
  NEAR SULLIVAN CITY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...SULLIVAN CITY...PENITAS AND LA JOYA.

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

LAT...LON 2637 9835 2617 9846 2616 9864 2646 9850

$$

PHILO
3 follow-up statements
000 
WGUS74 KBRO 032221 CCA
FFSBRO
TXC215-427-032330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
514 PM CDT FRI SEP 3 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 630 PM CDT FOR WESTERN HIDALGO
AND ADJACENT SOUTHEASTERN STARR COUNTIES...

AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
DOPPLER RADAR ESTIMATED NEARLY 2 INCHES OF RAINFALL HAVE BEEN 
RECEIVED FROM JUST EAST OF RIO GRANDE CITY TO JUST EAST OF SULLIVAN 
CITY. THIS AREA HAS ALREADY BEEN SATURATED BY PREVIOUS RAINS THIS 
WEEK...AND ANY ADDITIONAL RAINFALL WILL CAUSE FLASH FLOODING.

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...
SULLIVAN CITY...GARCIASVILLE...PENITAS...PALMVIEW AND LA JOYA.

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. REMEMBER...WHEN CONFRONTED WITH 
WATERS OF UNKNOWN DEPTH...TURN AROUND...DONT DROWN. 

LAT...LON 2645 9833 2607 9833 2607 9875 2645 9875

$$

PHILO
000 
WGUS74 KBRO 032258 AAA
FFSBRO
TXC215-427-032330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
555 PM CDT FRI SEP 3 2004

...FLASH FLOOD WARNINGS FOR WESTERN HIDALGO AND ADJACENT 
SOUTHEASTERN STARR COUNTIES HAVE BEEN CANCELED...

AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS SOUTHERN 
STARR AND HIDALGO COUNTIES HAVE DECREASED AND MOVED NORTHEAST. 
THEREFORE...THE FLASH FLOOD WARNINGS FOR WESTERN HIDALGO AND 
ADJACENT SOUTHEASTERN STARR COUNTIES HAVE BEEN CANCELED. A FLASH 
FLOOD WATCH REMAINS IN EFFECT UNTIL 9 PM CDT FOR 
HIDALGO...STARR...JIM HOGG AND ZAPATA AND ZAPATA COUNTIES...AS 
SHOWER AND THUNDERSTORM DEVELOPMENT CONTINUES JUST SOUTH OF THIS 
REGION...IN ADJACENT MEXICO.

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. REMEMBER...WHEN CONFRONTED WITH 
WATERS OF UNKNOWN DEPTH...TURN AROUND...DONT DROWN. 

LAT...LON 2645 9833 2607 9833 2607 9875 2645 9875

$$

PHILO
000 
WGUS74 KBRO 032302 CCA
FFSBRO
TXC215-427-032330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
555 PM CDT FRI SEP 3 2004

...FLASH FLOOD WARNINGS FOR WESTERN HIDALGO AND ADJACENT 
SOUTHEASTERN STARR COUNTIES HAVE BEEN CANCELED...

AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS SOUTHERN 
STARR AND HIDALGO COUNTIES HAVE DECREASED AND MOVED NORTHEAST. 
THEREFORE...THE FLASH FLOOD WARNINGS FOR WESTERN HIDALGO AND 
ADJACENT SOUTHEASTERN STARR COUNTIES HAVE BEEN CANCELED. A FLASH 
FLOOD WATCH REMAINS IN EFFECT UNTIL 9 PM CDT FOR 
HIDALGO...STARR...JIM HOGG AND ZAPATA COUNTIES...AS SHOWER AND 
THUNDERSTORM DEVELOPMENT CONTINUES JUST SOUTH OF THIS REGION...IN 
ADJACENT MEXICO.

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. REMEMBER...WHEN CONFRONTED WITH 
WATERS OF UNKNOWN DEPTH...TURN AROUND...DONT DROWN. 

LAT...LON 2645 9833 2607 9833 2607 9875 2645 9875

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 4:36 PM CDTFlash Flood WarningBROStarr114 min

Nearby

Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004

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.