Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 21, NWS Brownsville, TX

May 13, 2004Jim Hogg County, Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at May 13, 2004, 11:27 PM CDT for Jim Hogg County, Starr County, Texas. It was in force for 2 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
May 13, 2004, 11:27 PM CDT (04:27 UTC)
Expired
May 14, 2004, 1:30 AM CDT
In force
2 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

Counties Jim Hogg County, TX, Starr County, TX

The radar

The Corpus Christi radar (KCRP), 166 km from the middle of the area, began a volume at 04:28 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 00:00Z, 4.5 hours before the alert went out and 177 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 00:00Z on 2004-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3220 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2004-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
3220 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
1.2
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 140430
FFWBRO
TXC247-427-140630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1127 PM CDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 130 AM CDT

* AT 1125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED RAINFALL OF 2 TO 3 INCHES OVER PORTIONS OF 
  THESE COUNTIES WITH ADDITIONAL AMOUNTS OF 1 TO 2 INCHES.

* 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...FALCON DAM...EL SAUZ...ROMA...RIO GRANDE CITY...
  HEBBRONVILLE...GARCIASVILLE...GUERRA AND RANDADO.

THIS RAINFALL COMBINED WITH RECENT RAINS WILL AGGRAVATE ALREADY 
SATURATED CONDITIONS OVER  STARR AND JIM HOGG COUNTIES THROUGH THE 
NEXT FEW HOURS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT 
OR OCCURRING.IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND 
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE 
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT 
TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT 
OR BY AUTOMOBILE.



LAT...LON 2727 9894 2677 9894 2647 9922 2626 9862
          2735 9854

$$
1 follow-up statement
000 
WGUS74 KBRO 140630
FFSBRO
TXC247-427-140645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
130 AM CDT FRI MAY 14 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR STARR AND JIM HOGG 
COUNTIES HAS BEEN ALLOWED TO EXPIRE AT 130 AM CDT...

THE SEVERE THUNDERSTORMS OVER STARR AND JIM HOGG COUNTIES HAVE MOVED 
EAST INTO THE GULF OF MEXICO NOW. THEREFORE...THE FLASH FLOOD 
WARNING HAS BEEN ALLOWED TO EXPIRE AT 130 AM.

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 2727 9894 2677 9894 2647 9922 2626 9862
          2735 9854

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 10:27 PM CDTSevere Thunderstorm WarningBROJim Hogg, Starr, Zapata63 min
May 13, 10:55 PM CDTTornado WarningBROJim Hogg, Starr65 min
May 13, 11:24 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Jim Hogg, Starr66 min
May 13, 11:44 PM CDTSpecial Marine WarningBRO61 min
May 13, 11:44 PM CDTSpecial Marine WarningBRO61 min
May 14, 12:25 AM CDTSevere Thunderstorm WarningBROKenedy35 min
May 14, 12:29 AM CDTSevere Thunderstorm WarningBROWillacy31 min
May 14, 12:44 AM CDTSpecial Marine WarningBRO61 min
May 14, 12:44 AM CDTSpecial Marine WarningBRO61 min
May 14, 12:49 AM CDTTornado WarningBROKenedy19 min
May 14, 1:00 AM CDTFlash Flood WarningBROBrooks, Hidalgo, Kenedy, Willacy3 hr
May 14, 1:44 AM CDTSpecial Marine WarningBRO2 hr
May 14, 3:44 AM CDTSpecial Marine WarningBRO61 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.