Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 55, NWS Brownsville, TX

October 13, 2003Brooks County, Texas

NWS Brownsville, TX issued this flash flood warning at Oct 13, 2003, 5:45 AM 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 outline as issued.

The facts

Issued: Oct 13, 2003, 5:45 AM CDT (10:45 UTC)
Expired: Oct 13, 2003, 8:30 AM CDT
In force: 3 hr
Issued by: NWS Brownsville, TX
Area: Counties, with a storm outline in the text

County Brooks County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 10.8 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 88 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 131046
FFWBRO
TXC047-131330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
545 AM CDT MON OCT 13 2003

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 830 AM CDT

* AT 534 AM CDT...A NATIONAL WEATHER SERVICE OBSERVER AT ENCINO IN
  BROOKS COUNTY REPORTED THAT FLOOD WATERS WERE UP TO THE HOODS OF 
  AUTOMOBILES AND IT CONTINUED TO RAIN.

* AT 540 AM DOPPLER RADAR INDICATED ANOTHER ROUND OF HEAVY RAIN IS 
  HEADED FOR ENCINO WITHIN THE HOUR. SHOWERS AND THUNDERSTORMS OVER 
  NORTHEAST STARR COUNTY MAY MOVE TOWARD THE ENCINO AREA IN THE NEXT
  2 TO 3 HOURS.

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.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER 
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BROWNSVILLE.

LAT...LON 2725 9800 2681 9801 2681 9842 2725 9844

$$

59

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 2:58 AM CDT	Flash Flood Warning	BRO	Cameron	3 hr
Oct 13, 3:25 AM CDT	Flash Flood Warning	BRO	Jim Hogg	2 hr
Oct 13, 4:42 AM CDT	Flash Flood Warning	BRO	Starr	108 min
Oct 13, 5:44 AM CDT	Flash Flood Warning	BRO	Zapata	3 hr
Oct 13, 6:00 AM CDT	Flash Flood Warning	BRO	Cameron	2 hr
Oct 13, 6:08 AM CDT	Flash Flood Warning	BRO	Jim Hogg	3 hr
Oct 13, 6:15 AM CDT	Flash Flood Warning	BRO	Starr	3 hr
Oct 13, 6:30 AM CDT	Flash Flood Warning	BRO	Starr	3 hr
Oct 13, 7:15 AM CDT	Flash Flood Warning	BRO	Cameron	105 min
Oct 13, 9:00 AM CDT	Flash Flood Warning	BRO	Brooks, Jim Hogg	2 hr

Nearby

Flash Flood Warnings in Texas, 2003 Every 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.