Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 7, NWS Brownsville, TX

July 10, 2002Jim Hogg County, Texas

NWS Brownsville, TX issued this flash flood warning at Jul 10, 2002, 9:02 PM CDT for Jim Hogg County, Texas. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 10, 2002, 9:02 PM CDT (02:02 UTC)
Expired: Jul 10, 2002, 11:00 PM CDT
In force: 118 min
Issued by: NWS Brownsville, TX
Area: Counties, with a storm outline in the text

County Jim Hogg County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.0 hours before the alert went out and 168 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: 2207 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 876 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 110202
FFWBRO
TXC247-110400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
900 PM CDT WED JUL 10 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 1100 PM CDT

* AT 855 PM CDT...DOPPLER RADAR INDICATED THAT VERY HEAVY RAINFALL   
  WAS OCCURRING IN CENTRAL AND WESTERN JIM HOGG COUNTY. BETWEEN 2    
  AND 4 INCHES OF RAIN PER HOUR ARE OCCURRING WITH THE               
  STRONGER STORMS.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN     
  THE WARNED AREA. THIS EXCESSIVE RAINFALL WILL CAUSE FLASH          
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE             
  FLASH FLOODING INCLUDE...RANDADO...ROUTE 16 EAST OF RANDADO        
  AND LOCATIONS EAST OF AND ALONG ROUTE 649 BETWEEN RANDADO AND      
  THE JUNCTION BETWEEN ROUTES 649 AND 2687.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. 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.

LAT...LON 2685 9896 2685 9867 2727 9867 2727 9896

2 follow-up statements

000 
WGUS74 KBRO 110242
FFSBRO
TXC247-110400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
941 PM CDT WED JUL 10 2002

...A FLASH FLOOD WARNING CONTINUES FOR WESTERN AND CENTRAL JIM HOGG
COUNTY UNTIL 1100 PM CDT...

DOPPLER RADAR CONTINUES TO DETECT AN AREA OF VERY HEAVY RAINFALL OVER
WESTERN AND CENTRAL JIM HOGG COUNTY AT 940 PM CDT. THESE PERSISTENT AND
SLOW MOVING THUNDERSTORMS ARE LIKELY PRODUCE RAINFALL RATES OF 2 TO 4
INCHES PER HOUR. THIS RAINFALL HAS BEEN CONCENTRATED OVER AREAS JUST
EAST OF AND INCLUDING RANDADO AND ROUTE 16 EAST OF RANDADO. ALSO AT RISK
ARE AREAS ALONG ROUTE 649 BETWEEN RANDADO AND GUERRA.

MOST FLASH FLOOD DEATHS OCCUR AT NIGHT. USE CAUTION IN AND AROUND
STREAMS...CREEKS OR DRAINAGE DITCHES. TAKE THE SHORTEST PATH TO REACH
HIGHER GROUND...BUT DO NOT DRIVE THROUGH RISING WATER.

FOR THE LATEST WEATHER FORECASTS AND SEVERE WEATHER INFORMATION FOR
DEEP SOUTH TEXAS...MONITOR NOAA WEATHER RADIO AND VISIT OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/BRO.

000 
WGUS74 KBRO 110353
FFSBRO
TXC247-110500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1052 PM CDT WED JUL 10 2002

...THE FLASH FLOOD WARNING FOR WESTERN AND CENTRAL JIM HOGG WILL EXPIRE
AT 1100 PM CDT...

SHOWERS AND THUNDERSTORMS OVER NORTHWEST JIM HOGG COUNTY ARE WEAKENING
AND EXITING NORTHWEST OUT OF THE COUNTY. FURTHERMORE...DEVELOPMENT OF
NEW SHOWERS AND THUNDERSTORMS IS NOT OCCURRING. THEREFORE...THE FLASH
FLOOD WARNING PREVIOUSLY IN EFFECT FOR WESTERN AND CENTRAL JIM HOGG
COUNTY WILL BE ALLOWED TO EXPIRE AT 1100 PM CDT.

RADAR RAINFALL ESTIMATES INDICATE THAT ANYWHERE FROM 2 TO 5 INCHES OF
RAINFALL MAY HAVE FALLEN IN THE WARNING AREA DURING THE PAST 2 TO 3
HOURS. RAINFALL OF THIS INTENSITY LIKELY LED TO FLOODING THROUGHOUT
WESTERN JIM HOGG COUNTY...ESPECIALLY NEAR RANDADO. PEOPLE OUT AND ABOUT
IN WESTERN JIM HOGG COUNTY ARE ASKED TO BE CAUTIOUS AS SOME RESIDUAL
FLOODING OF ROADWAYS AND DITCHES...OR PONDING OF WATER IN LOW SPOTS MAY
STILL BE PRESENT.

FOR THE LATEST WEATHER FORECASTS AND SEVERE WEATHER INFORMATION FOR
DEEP SOUTH TEXAS...MONITOR NOAA WEATHER RADIO AND VISIT OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/BRO.

Nearby

Flash Flood Warnings in Texas, 2002 Every flash flood warning in 2002

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.