Flash Flood Warning 94, NWS Brownsville, TX

000 
WGUS74 KBRO 250449
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1148 PM CDT TUE JUL 24 2007

TXC505-250645-
ZAPATA TX-
1148 PM CDT TUE JUL 24 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR 
CENTRAL AND NORTHERN ZAPATA COUNTY...

AT 1146 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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.

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 2694 9898 2725 9898 2725 9942 2694 9934

$$

MARTIN

000 
WGUS74 KBRO 250552
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1251 AM CDT WED JUL 25 2007

TXC505-250645-
ZAPATA TX-
1251 AM CDT WED JUL 25 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR
CENTRAL ZAPATA COUNTY...

AT 1249 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING.  THIS STORM WAS
LOCATED 9 MILES NORTHWEST OF ESCOBA...OR ABOUT 19 MILES NORTHEAST OF
ZAPATA. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BUSTAMANTE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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. 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 2695 9898 2725 9898 2725 9942 2690 9931

$$

MARTIN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
812 PM CDT TUE JUL 24 2007

.DISCUSSION...
LARGE MCS STRETCHING FROM CRP TO LRD HAS SOME VERY SLIGHT
SOUTHWARD PROGRESSION TO IT. MODELS PRETTY MUCH STALL THE REMNANTS
IN PLACE THROUGH THE NIGHT. WILL BE UPPING THE POPS A BIT IN THE
NORTHWEST AREAS...BUT SEE VERY LITTLE IN THE WAY OF PRECIP FOR THE
LOWER RGV. WILL ISSUE UPDATE SHORTLY.

&&

.AVIATION...
VFR CONDITIONS AREA EXPECTED OVER THE REGIONAL AIRPORTS FOR THE
NEXT 24 HOURS. SOME ISOLATED SHOWERS OR THUNDERSTORMS COULD
DEVELOP DURING THE DAYTIME HOURS CAUSING TEMPO MVFR CONDITIONS.
WINDS WILL BE LIGHT TO MODERATE FROM THE SOUTHEAST THROUGH
WEDNESDAY EVENING.

&&

.MARINE...
AT 7 PM BUOY020 SHOWED A WIND FROM THE EAST TO SOUTHEAST AT 12 TO
14 KNOTS WITH 1 FOOT SEAS. A HIGH PRESSURE RIDGE EXTENDING OVER
THE NORTHERN AND CENTRAL GULF OF MEXICO WILL MAINTAIN LIGHT WINDS
AND LOW SEAS OVER THE MARINE AREAS THROUGH WEDNESDAY NIGHT. A
TROUGH OF LOW PRESSURE WILL MOVE OVER THE LOWER TEXAS COASTAL
WATERS INCREASING SHOWERS AND THUNDERSTORMS BY THURSDAY AND
CONTINUE THROUGH THE WEEKEND. WINDS AND SEAS WILL ALSO INCREASE AT
THAT TIME.

&&

.PREV DISCUSSION... /ISSUED 200 PM CDT TUE JUL 24 2007/

DISCUSSION...IN THE SHORT TERM...GFS AND NAM BOTH INCREASE POPS
OVER MAINLY WESTERN PORTIONS OF THE CWA THIS EVENING AND OVERNIGHT.
MODELS SHOW PRECIPITATION DEVELOPING OVER SOUTH CENTRAL TEXAS THIS
AFTERNOON AND THEN DEVELOPING FURTHER SOUTH TOWARD LAREDO THIS
EVENING.  ALTHOUGH THE CURRENT CONVECTION IS OVERDONE IN THE
MODELS...SATELLITE IMAGERY DOES SHOW CONVECTION BUILDING OVER S.
CNTRL TEXAS AND MOVING TOWARD THE SOUTH.  HAVE INCREASED POPS OUT
WEST TO LOW-END CHANCE FOR LATER TONIGHT TO ACCOUNT FOR THESE TRENDS.

BEYOND MIDWEEK...THE STAGE APPEARS TO BE SET FOR ANOTHER HEAVY RAIN
EVENT FOR DEEP SOUTH TEXAS.  MODELS CONTINUE TO INDICATE A MID-LEVEL
LOW WILL DEVELOP OVER TEXAS THROUGH WEDNESDAY.  BY THURSDAY...THE
CENTER OF THE LOW RETROGRADES WEST OF THE REGION PLACING OUR REGION
IN A MORE FAVORABLE POSITION FOR RAINFALL.  AT THE SAME TIME...A
MOIST SOUTHEASTERLY FLOW WILL CAUSE PRECIPITABLE WATER VALUES TO
REACH INTO THE 2 TO 2.25-INCH RANGE.  HAVE UPGRADED POPS TO HIGH-END
CHANCE CATEGORY THURSDAY THROUGH SATURDAY AND HAVE ALSO INCLUDED
HEAVY RAINFALL WORDING THROUGH THAT PERIOD.  AS THE LOW WEAKENS AND
DRIER AIR ENTERS THE REGION...DRIER CONDITIONS ARE EXPECTED BY THE
BEGINNING OF NEXT WEEK.  HAVE GONE SEVERAL DEGREES BELOW GUIDANCE
HIGH TEMPS DURING THE HEAVY RAINFALL PERIOD AS THE EXPECTED ABUNDANT
CLOUD COVER AND RAINFALL MAKES MEX GUIDANCE HIGHS LOOK
UNREALISTICALLY WARM.

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE

64/65

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
126 PM CDT TUE JUL 24 2007

TXZ248>257-251100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
126 PM CDT TUE JUL 24 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE POTENTIAL FOR HEAVY RAIN THURSDAY AND FRIDAY DUE TO INCREASING
CHANCES OF THUNDERSTORMS MAY POSE A THREAT OF FLOODING ACROSS DEEP
SOUTH TEXAS AND THE RIO GRANDE VALLEY.

THERE IS A MODERATE RISK OF RIP CURRENTS FOR THE BEACHES ALONG THE
COAST OF DEEP SOUTH TEXAS FOR WEDNESDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

53/59