Flash Flood Warning 223, NWS Austin/San Antonio, TX

000 
WGUS74 KEWX 192012
FFSSAT
TXC029-055-091-187-209-192200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
305 PM CDT THU SEP 19 2002

...A FLASH FLOOD WARNING CONTINUES FOR HAYS...CALDWELL...COMAL...
GUADALUPE AND BEXAR COUNTIES UNTIL 430 PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS 
PRODUCING VERY HEAVY RAINFALL FROM SAINT HEDWIG TO NEW BRAUNFELS.  
RAINFALL RATES AREA ESTIMATED NEAR 2 INCHES AN HOUR IN THIS AREA. 
SINCE 1 PM...DRIPPING SPRING IN HAYS COUNTY HAS RECEIVED 1.57 
INCHES OF RAIN AND THE TOWN OF BUDA HAS RECEIVED 1.3 INCHES OF RAIN. 

SECONDARY ROADS AND LOW WATER CROSSINGS AND BRIDGES MAY BE FLOODED 
ACROSS COMAL COUNTY.  MOTORISTS MAKE A SOMETIMES FATAL MISTAKE WHEN 
THEY DRIVE INTO FLOODED CROSSINGS.  MOST FLOOD FATALITIES OCCUR THIS 
WAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE 
LATEST WEATHER INFORMATION.

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1035 AM CDT THU SEP 19 2002

NOT A LOT OF CHANGES MADE ON THE UPDATE. STILL THINK FRONT LIKELY TO
PUSH INTO WESTERN AND NORTHERN PORTIONS LATE THIS AFTERNOON INTO THIS
EVENING AND INTO CENTRAL AND EASTERN PORTIONS LATE TONIGHT AND EARLY
FRIDAY MORNING.  GIVEN CURRENT PATTERN OF INSTABILITY...PUT SOUTH
CENTRAL ZONES (SAN ANTONIO) INTO POSSIBILITY OF SEVERE FOR THIS
AFTERNOON AS ONGOING CONVECTION MAY INTENSIFY WITH DAYTIME HEATING
AND INCREASED WINDS ALOFT.  EXPECT MAIN SEVERE THREAT TO BE THIS
EVENING ON CUSP OF DRY SLOT ACROSS NORTHERN AND EASTERN SECTIONS.

PREVIOUS DISCUSSION...........

MADE QUICK UPDATE TO ZONES REMOVE SVR WATCH FOR WRN COUNTIES.  ALSO
UPPED POPS OVER THE SOUTHEAST COUNTIES DUE MORE WIDESPREAD COVERAGE
FROM S/W KICKING NEWD OUT OF NE MEXICO INTO DEEP S TX..ALONG WITH A
GOOD TAP OF SUBTROPICAL MOISTURE.

W TX SQUALL LINE HAS WEAKENED SOME THIS MORNING WITH STRONGEST
STORMS AT THE TAIL END JUST NORTH OF VAL VERDE COUNTY.  AN OUTFLOW
BOUNDARY FM THE MCS WAS MOVG SEWD TWDS THE HILL COUNTRY AND ETA
SHOWING LIFT INTO THE HILL COUNTRY/NE CWA TDA SO WILL GO WITH BEST
POPS OVER THE NRN CWA...WITH CONTD MENTION OF PSBLY SVR.  OVER THE
SRN CWA TDA WDLY SCT FEEDER SHOWERS EXPECTED MAINLY IN THE MORNING
HOURS WITH THE LLJ AND WILL CONT WITH LOW CHC POPS.  ANOTHER SQUALL
LINE TO FORM THIS THIS AFTN/EVENING JUST NW OF THE HILL COUNTRY AS
NEXT S/W ROTATES AROUND THE UPR TROF. THE SQUALL LINE AND CDFNT WILL
TRACK SLOWLY SEWD ACRS THE CWA THIS EVENING/OVERNIGHT WITH THE
POSSIBILITY SVR THIS EVENING AND LOCALLY HEAVY RAIN OVERNIGHT IN THE
EASTERN COUNTIES AS CELLS TRAIN NEWD NEAR THE FRONTAL BOUNDARY.  THE
UPR TROF AXIS MOVS EAST OF THE CWA FRI MORNING AND WILL LEAVE IN
SOME LOW MORNING POPS.  CLEARING/COOLER AND DRIER BY FRI AFTN AND
THRU THE WEEKEND WITH A RE-ENFORCING CDFNT SAT NITE/SUN AS ISIDORE
ENTERS THE SE GULF.  ISIDORE LIKELY TO HELP MAINTAIN DRY SFC RDG OVR
S TX EARLY NEXT WEEK. WILL CONT WITH INCREASE CLOUDS AND MENTION OF
SLIGHT CHC ERN CWA BY WED DUE TO PSBL AFFECTS FROM ISIDORE. 01/18/23

UPDATED PRELIMINARY NUMBERS...
AUS TB 088/064 086/060 088 5510
DRT EU 090/066 088/063 090 33-0
SAT EB 089/067 087/063 088 4510

.EWX...NONE.