Flash Flood Warning 20, NWS Corpus Christi, TX

COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
930 AM CDT MON AUG 23 1999

DISCUSSION...VISIBLE SATELLITE IMAGERY COMBINED WITH DOPPLER RADAR
REFLECTIVITY DATA CLEARLY ILLUSTRATES THE WELL-DEFINED CYCLONIC
CIRCULATION ASSOCIATED WITH TROPICAL STORM BRET..CENTERED OVER SOUTH
CENTRAL DUVAL COUNTY.  WIND PROFILER DATA FROM KCRP DEPICTS 45 TO 55
KNOTS IN THE LOWER BOUNDARY LAYER (1-2KFT).  ADDITIONAL FEEDER BANDS
ARE DEVELOPING TO THE SOUTHEAST OF THE REGION OVER THE COASTAL
LOCATIONS AND THESE WILL ROTATE INLAND TDY RESULTING IN A DOWNWARD
TRANSFER OF HIGHER WINDSPEEDS WITHIN THE CONVECTION.

TPC/HPC CONFERENCE CALL FOR BRET IS NOW COMPLETE..AND HAVE LOWERED
THE AVERAGE ADDITIONAL RAFL TOTALS BASED ON PAST REPORTS WITH
PREVIOUS BANDS..AND THE DOPPLER ESTIMATES..10 TO 15 INCHES IS THE
COMPROMISE RANGE.  TROPICAL STORM WARNINGS WILL REMAIN IN PLACE AS
WELL AS THE FLOOD/FLASH FLOOD WATCH.  VAD WIND PROFILE DATA
INDICATES A UNIFORM SELY COMPONENT..LIMITED SHEAR..HOWEVER AS
CONVECTIVE BANDS APPROACH THE COASTLINE..WEAK LOW-LEVEL FRICTIONAL
SHEAR WILL BE SUFFICIENT TO MAINTAIN THE TORNADO WATCH..HOWEVER
POTENTIAL WILL DIMINISH LATER TODAY.

THE CORE OF HIGHEST WINDSPEEDS WILL CONTINUE TO TRANSLATE WESTWARD
WITH THE CENTER AND WILL MAINTAIN THE HIGH WIND WARNING FOR THIS
AREA..WITH A STRONG WIND ADVISORY IN PLACE FOR THE REMAINDER OF THE
FA.  ACROSS THE UPPER MARINE ZONES..WHERE TROPICAL STORM WARNINGS
ARE NOT IN PLACE..THE SCA WILL BE IN EFFECT...GUSTS TO NEAR TROPICAL
STORM FORCE ARE EXPECTED.  WIND AND SEA CONDITIONS WILL GRADUALLY
SUBSIDE TONIGHT.

BML.76

.CRP...TROPICAL STORM WARNING FROM BAFFIN BAY TO PORT ARANSAS.
       FLOOD AND FLASH FLOOD WATCH ALL ZONES.
       TORNADO WATCH ALL ZONES TIL 4 PM CDT.
       HIGH WIND WARNING FOR TXZ239>241.
       WIND ADVISORY TXZ229>234.
       SCA GMZ255-275.

TXZ229-230-239-240-240500-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1200 PM CDT MON AUG 23 1999

...TROPICAL STORM BRET CONTINUES TO PRODUCE HEAVY RAINFALL AS
IT SLOWLY DRIFTS ACROSS SOUTH TEXAS...

AS TROPICAL STORM BRET MOVES ACROSS THE RIO GRANDE PLAINS THIS
AFTERNOON AND EVENING...RAINFALL AMOUNTS OF UP TO FOUR INCHES AN
HOUR ARE POSSIBLE. WITH THE WESTWARD MOVEMENT OF TROPICAL STORM
BRET EXPECTED TO SLOW DURING THE NEXT 24 HOURS...AN ADDITIONAL 10 TO
15 INCHES OF RAINFALL IS POSSIBLE OVER THE RIO GRANDE PLAINS...
ESPECIALLY ACROSS WESTERN WEBB COUNTY IN AND UP RIVER FROM THE
CITY OF LAREDO.

EXPECT THE HEAVIEST RAINFALL TONIGHT...AS THE REMNANTS OF TROPICAL
STORM BRET MOVE JUST NORTH OF LAREDO INTO MEXICO. THIS IS A
POTENTIALLY VERY DANGEROUS...LIFE THREATENING...SITUATION. RESIDENTS
THROUGHOUT THE RIO GRANDE PLAINS...ESPECIALLY THOSE ALONG THE RIO
GRANDE NEAR LAREDO...SHOULD BE PREPARED FOR LIFE THREATENING FLASH
FLOODING AND RIVER FLOODING.

A FLASH FLOOD WATCH AND RIVER FLOOD WATCH REMAINS IN EFFECT FOR THE
RIO GRANDE PLAINS TODAY.

REMEMBER...A FLASH FLOOD WATCH MEANS CONDITIONS ARE FAVORABLE FOR
LOCALLY HEAVY RAINFALL AND FLOODING TO OCCUR. IT DOES NOT MEAN THAT
FLOODING IS IMMINENT OR OCCURRING.

RESIDENTS IN THE WATCH AREA SHOULD CONTINUE TO MONITOR WEATHER
CONDITIONS. IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS
ISSUED...MOVE TO HIGHER GROUND IMMEDIATELY. NEVER ATTEMPT TO DRIVE
OVER WATER OF UNKNOWN DEPTH.

A RIVER FLOOD WATCH MEANS MODERATE TO HEAVY RAINFALL MAY CAUSE
RIVERS AND STREAMS TO RISE TO CRITICAL STAGES OR INCREASE FLOODING
FOR THOSE STREAMS ALREADY UNDER A SPECIFIC FLOOD WARNING.  PERSONS
WITH INTERESTS IN THE AREAS MENTIONED ABOVE SHOULD REMAIN INFORMED
OF THE LATEST WEATHER AND RIVER INFORMATION AND BE PREPARED TO TAKE
ACTION AS NECESSARY.  PLEASE REFER TO NATIONAL WEATHER SERVICE
CORPUS CHRISTI OFFICE RIVER FLOOD WARNINGS AND STATEMENTS FOR THE
LATEST INFORMATION IN YOUR AREA.

STAY TUNED FOR LATER STATEMENTS...AND POSSIBLE ADVISORIES OR
WARNINGS...FROM NOAA WEATHER RADIO...COMMERCIAL RADIO...LOCAL OR
CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION.