Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 52, NWS Brownsville, TX

October 5, 2004Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at Oct 5, 2004, 2:36 PM CDT for Starr County, Texas. It was in force for 114 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
Oct 5, 2004, 2:36 PM CDT (19:36 UTC)
Expired
Oct 5, 2004, 4:30 PM CDT
In force
114 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Starr County, TX

The radar

The Brownsville radar (KBRO), 165 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 168 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 2004-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2516 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, Brownsville Intl, TX at 12:00Z on 2004-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.193958Sfc1 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
2516 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-44 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 051942
FFWBRO
TXC427-052130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
236 PM CDT TUE OCT 5 2004

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 430 PM CDT

* AT 236 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER WESTERN STARR COUNTY.  
  DOPPLER RADAR ESTIMATED THAT THIS STORM HAS PRODUCED RAINFALL      
  TOTALS FROM 2 TO 4 INCHES SINCE 130 PM ABOUT 3 MILES WEST OF EL    
  SAUZ. THIS STORM IS NEARLY STATIONARY AND WILL CONTINUE TO PRODUCE 
  VERY HEAVY RAINFALL FROM 3 TO 8 MILES WEST OF EL SAUZ THROUGH 430  
  PM.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR NEAR EL SAUZ.

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.

LAT...LON 2665 9882 2646 9880 2647 9905 2665 9903

$$

SPEECE/STRAUB
1 follow-up statement
000 
WGUS74 KBRO 052037
FFSBRO
TXC427-052130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
333 PM CDT TUE OCT 5 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 430 PM CDT FOR WESTERN STARR
COUNTY...

AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT HEAVY RAIN PRODUCING THUNDERSTORMS ARE CONTINUING OVER WESTERN 
STARR COUNTY FROM 5 MILE WEST TO 5 MILES SOUTHWEST OF EL SAUZ. THESE 
STORMS ARE NEARLY STATIONARY AND WILL CONTINUE TO PRODUCE HEAVY 
RAINFALL RATES FROM 2 TO 3 INCHES AN HOUR WITHIN THE WARNED AREA.  

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.

LAT...LON 2665 9883 2646 9880 2647 9906 2666 9904

$$

SPEECE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 2:52 PM CDTFlash Flood WarningBROWillacy2 hr
Oct 5, 4:01 PM CDTSevere Thunderstorm WarningBROStarr44 min
Oct 5, 4:03 PM CDTFlash Flood WarningBROBrooks, Jim Hogg117 min
Oct 5, 4:23 PM CDTFlash Flood WarningBROStarr2 hr

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.