Alert archive / Texas / Flash Flood Warnings in 2005

Flash Flood Warning 7, NWS Brownsville, TX

July 20, 2005Hidalgo County, Texas

NWS Brownsville, TX issued this flash flood warning at Jul 20, 2005, 12:26 PM CDT for Hidalgo County, Texas. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 20, 2005, 12:26 PM CDT (17:26 UTC)
Expired
Jul 20, 2005, 4:30 PM CDT
In force
4 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 96 km from the middle of the area, began a volume at 17:29 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.

What was reported inside it

TimeReportWhereRemark
Jul 20, 1:45 PM CDTFLASH FLOODMcallen, TXHEAVY RAINFALL GENERATED BY RAINBAND SQUALL FROM HURRICANE EMILY CAUSED ROADWAY NEAR NOLANA AND 10TH STREET TO BE FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 5.4 hours before the alert went out and 98 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 2005-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 176 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 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 2005-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 275 square meters per square second.1939587897Sfc1 km3 km6 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
176 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
275 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 201729
FFWBRO
TXC215-202130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1226 PM CDT WED JUL 20 2005

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS
  THIS INCLUDES THE CITIES OF...HIDALGO...WESLACO...SAN JUAN...
  PHARR...MISSION...MERCEDES...MCALLEN...EDINBURG...EDCOUCH...
  DONNA...ALAMO

* UNTIL 430 PM CDT

* AT 1226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  FLASH FLOOD PRODUCING THUNDERSTORMS NEAR THE RIO GRANDE RIVER IN   
  SOUTHERN HIDALGO COUNTY. THESE STORMS ARE MOVING NORTH AT AROUND   
  10 MPH AND ARE PRODUCING RAINFALL RATES OF ONE TO ONE AND A HALF   
  INCHES PER HOUR WITH THE WARNED AREA. THIS HEAVY RAIN WILL         
  STEADILY WORSEN FLOODING PROBLEMS OVER SOUTHERN HIDALGO COUNTY     
  THROUGH 430 PM.  

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  SULLIVAN CITY...PENITAS...PALMVIEW...LA JOYA AND ELSA.

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.

LAT...LON 2611 9868 2601 9786 2640 9788 2647 9849

$$

SPEECE
2 follow-up statements
000 
WGUS74 KBRO 201928
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
226 PM CDT WED JUL 20 2005

TXC215-202130-
HIDALGO TX-
226 PM CDT WED JUL 20 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 430 PM CDT FOR SOUTHERN 
HIDALGO COUNTY...

AT 218 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER SOUTHERN 
HIDALGO COUNTY. THESE STORMS ARE PRODUCING RAINFALL RATES AROUND AN 
INCH AN HOUR AND WILL MAINTAIN THE THREAT OF FLASH FLOODING WITHIN 
THE WARNING AREA THROUGH 430 PM. RECENT RAINFALL TOTALS OVER 
SOUTHERN HIDALGO COUNTY RANGE FROM 3 TO 4 INCHES OVER SOUTHERN 
HIDALGO COUNTY SINCE SUNRISE TODAY.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA JOYA
AND SULLIVAN CITY.

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 2611 9868 2601 9786 2640 9788 2647 9849

$$

SPEECE
000 
WGUS74 KBRO 202129
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
430 PM CDT WED JUL 20 2005

TXC215-202137-
HIDALGO TX-
430 PM CDT WED JUL 20 2005

...THE FLASH FLOOD WARNING FOR SOUTHERN HIDALGO COUNTY EXPIRES AT 430
PM CDT...

AT 430 PM THIS AFTERNOON...DOPPLER RADAR FROM BROWNSVILLE INDICATED 
THAT THE HEAVY RAIN PRODUCING THUNDERSTORMS THAT WERE OVER SOUTHERN 
HIDALGO COUNTY HAVE WEAKENED OR HAVE MOVED WEST. ACCORDINGLY...THE 
FLASH FLOOD WARNING FOR SOUTHERN HIDALGO COUNTY EXPIRES AT 430 PM. 

LAT...LON 2611 9868 2601 9786 2640 9788 2647 9849

$$

SPEECE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 4:32 AM CDTTornado WarningBROWillacy43 min
Jul 20, 5:24 AM CDTFlash Flood WarningBROHidalgo96 min
Jul 20, 7:02 AM CDTTornado WarningBROCameron43 min
Jul 20, 8:09 AM CDTTornado WarningBROHidalgo41 min
Jul 20, 8:44 AM CDTTornado WarningBROJim Hogg33 min
Jul 20, 10:01 AM CDTTornado WarningBROJim Hogg34 min
Jul 20, 11:40 AM CDTTornado WarningBROJim Hogg40 min
Jul 20, 11:43 AM CDTTornado WarningBROHidalgo47 min
Jul 20, 11:51 AM CDTTornado WarningBROBrooks30 min
Jul 20, 12:00 PM CDTTornado WarningBROKenedy30 min
Jul 20, 12:34 PM CDTTornado WarningBROHidalgo26 min
Jul 20, 12:36 PM CDTTornado WarningBROJim Hogg33 min
Jul 20, 1:00 PM CDTFlash Flood WarningBROCameron3 hr
Jul 20, 1:08 PM CDTTornado WarningBROHidalgo40 min
Jul 20, 1:27 PM CDTTornado WarningBROZapata36 min
Jul 20, 1:52 PM CDTFlash Flood WarningBROStarr3 hr
Jul 20, 2:38 PM CDTFlash Flood WarningBROStarr3 hr
Jul 20, 3:17 PM CDTTornado WarningBROJim Hogg, Zapata28 min
Jul 20, 4:02 PM CDTTornado WarningBROJim Hogg36 min
Jul 20, 4:57 PM CDTFlash Flood WarningBROBrooks, Jim Hogg63 min
Jul 20, 5:15 PM CDTTornado WarningBROJim Hogg15 min
Jul 20, 5:53 PM CDTFlash Flood WarningBROBrooks, Jim Hogg37 min
Jul 20, 6:50 PM CDTTornado WarningBROJim Hogg, Starr, Zapata25 min

Nearby

Flash Flood Warnings in Texas, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.