Alert archive / Texas / Flash Flood Warnings in 2006

Flash Flood Warning 2, NWS Brownsville, TX

April 25, 2006Jim Hogg County, Zapata County, Texas

NWS Brownsville, TX issued this flash flood warning at Apr 25, 2006, 10:28 PM CDT for Jim Hogg County, Zapata 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
Apr 25, 2006, 10:28 PM CDT (03:28 UTC)
Expired
Apr 26, 2006, 12:30 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, Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 185 km from the middle of the area, began a volume at 03:28 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, 3.5 hours before the alert went out and 197 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 2006-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2996 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 00:00Z on 2006-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.19395878Sfc1 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
2996 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 260329
FFWBRO
TXC247-505-260530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1028 PM CDT TUE APR 25 2006

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL JIM HOGG COUNTY IN DEEP SOUTH TEXAS
  ZAPATA COUNTY IN DEEP SOUTH TEXAS
  THIS INCLUDES THE CITY OF ZAPATA

* UNTIL 1230 AM CDT

* AT 1024 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. THE 
  RAINFALL RATE WAS UP TO 4 INCHES PER HOUR.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ESCOBA...
  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.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

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 2672 9920 2681 9900 2681 9870 2726 9870
      2726 9946 2712 9945 2697 9938

$$

54
1 follow-up statement
000 
WGUS74 KBRO 260351
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1046 PM CDT TUE APR 25 2006

TXC247-505-260530-
JIM HOGG TX-ZAPATA TX-
1046 PM CDT TUE APR 25 2006

...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 AM CDT FOR ZAPATA AND
CENTRAL JIM HOGG COUNTIES...

AT 1039 PM CDT...THE SHERIFFS OFFICE IN JIM HOGG COUNTY REPORTED 
STANDING WATER ON FARM TO MARKET ROAD 1017 AND STATE HIGHWAY 16 IN 
JIM HOGG COUNTY. THE WATER WAS CAUSING TRAFFIC SLOW DOWNS. 
ADDITIONAL RAIN IS EXPECTED IN THE NEXT COUPLE OF HOURS AS 
THUNDERSTORMS CONTINUE TO MOVE OVER ZAPATA AND JIM HOGG COUNTIES.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 2672 9920 2681 9900 2681 9870 2726 9870
      2726 9946 2712 9945 2697 9938

$$

54

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:25 PM CDTTornado WarningBROBrooks31 min
Apr 25, 7:30 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy36 min
Apr 25, 7:32 PM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata58 min
Apr 25, 8:03 PM CDTSevere Thunderstorm WarningBROJim Hogg57 min
Apr 25, 8:21 PM CDTSevere Thunderstorm WarningBROJim Hogg, Starr, Zapata54 min
Apr 25, 8:58 PM CDTSevere Thunderstorm WarningBROBrooks, Jim Hogg, Starr48 min
Apr 25, 9:09 PM CDTTornado WarningBROBrooks, Jim Hogg36 min
Apr 25, 9:13 PM CDTSevere Thunderstorm WarningBROStarr47 min
Apr 25, 9:36 PM CDTFlash Flood WarningBROStarr84 min
Apr 25, 10:05 PM CDTSevere Thunderstorm WarningBROStarr, Zapata25 min
Apr 25, 10:33 PM CDTSevere Thunderstorm WarningBROZapata42 min
Apr 25, 11:45 PM CDTFlash Flood WarningBROJim Hogg, Starr, Zapata90 min

Nearby

Flash Flood Warnings in Texas, 2006Every flash flood warning in 2006

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.