Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 32, NWS Brownsville, TX

June 25, 2004Jim Hogg County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 25, 2004, 6:30 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
Jun 25, 2004, 6:30 PM CDT (23:30 UTC)
Expired
Jun 25, 2004, 9:30 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), 141 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 153 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 2004-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2263 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 2004-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2263 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 252330
FFWBRO
TXC247-260230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
630 PM CDT FRI JUN 25 2004

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 630 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER MOST OF JIM HOGG
  COUNTY. DOPPLER RADAR ESTIMATED THAT FROM 4 TO 6 INCHES OF RAIN    
  HAS BEEN RECEIVED IN CENTRAL JIM HOGG COUNTY. THESE AMOUNTS...IN 
  CONJUNCTION WITH COPIOUS RAINS RECEIVED LAST NIGHT WILL POSE 
  A VERY DANGEROUS SITUATION FOR NIGHTIME FLOODING IN JIM HOGG       
  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...GUERRA AND RANDADO.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING. REMEMBER...WHEN 
CONFRONTED WITH WATERS OF UNKNOWN DEPTH...TURN AROUND...DONT DROWN. 

LAT...LON 2723 9855 2683 9848 2684 9895 2724 9897

$$

PHILO/KVS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 10:02 PM CDTSevere Thunderstorm WarningBROBrooks, Jim Hogg43 min
Jun 24, 10:19 PM CDTSevere Thunderstorm WarningBROKenedy56 min
Jun 24, 10:32 PM CDTSevere Thunderstorm WarningBROBrooks43 min
Jun 25, 4:29 PM CDTFlash Flood WarningBROJim Hogg2 hr
Jun 25, 5:01 PM CDTSevere Thunderstorm WarningBROJim Hogg44 min
Jun 25, 5:14 PM CDTFlash Flood WarningBROZapata3 hr
Jun 25, 5:47 PM CDTFlash Flood WarningBROBrooks3 hr
Jun 25, 5:55 PM CDTSevere Thunderstorm WarningBROJim Hogg65 min
Jun 25, 6:13 PM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata47 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.