River Flood Warning 55, NWS Austin/San Antonio, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
208 AM CDT WED SEP 8 2010

.DISCUSSION...
LIFE THREATENING FLASH FLOOD EVENT CONTINUES TO UNFOLD THIS MORNING.
TRAINING CONVERGENCE LINE ASSOCIATED WITH HERMINE...NOW IN CENTRAL
TX...CONTINUING NEAR THE I35 CORRIDOR EARLY THIS MORNING AND
LIKELY TO CONTINUE THRU ABOUT 12Z BEFORE MODELS INDICATE A LET UP
BETWEEN 12Z AND 18Z. HAVE RECONFIGURED THE FLASH FLOOD WATCH TO
REMOVE THE 4 WESTERN MOST COUNTIES WHERE LITTLE RAIN HAS FALLEN
THUS FAR...AND EXPECTING MORE SPOTTY COVERAGE ON THE BACK SIDE OF
HERMINE. EVEN THOUGH HERMINE WILL CONTINUE TO MOVE NORTHWARD AWAY
FROM OUR AREA...AIRMASS WILL REMAIN VERY MOIST AND SUBJECT TO
ADDITIONAL DEVELOPMENT FROM HEATING THIS AFTERNOON...SO EXTENDED
THE FLASH FLOOD WATCH THRU 6 PM THIS AFTERNOON. ANY REDEVELOPMENT
THIS AFTERNOON OVER SATURATED SOILS WILL BE QUICK TO ADD TO
ONGOING FLOODING PROBLEMS.

BY TONIGHT AS THE REMAINS OF HERMINE MOVE INTO OK AND THE UPPER
RIDGE BEGINS TO BUILD WESTWARD INTO THE AREA...WILL SEE
DIMINISHING RAIN CHANCES OVERNIGHT INTO THURSDAY. THE UPPER RIDGE
WILL BE THE DOMINATE FEATURE FOR THE REMAINDER OF THIS WEEK INTO
NEXT WEEK. THERE COULD BE ISOLATED AIRMASS SHOWERS FROM HEATING ON
ANY GIVEN DAY...HOWEVER HAVE GONE WITH A MOSTLY DRY FORECAST WITH
HIGH TEMPERATURES NEAR OR SLIGHTLY ABOVE NORMALS...AND ABOVE
NORMAL MIN TEMPERATURES.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              86  78  92  78  94 /  80  30  20  10  10
AUSTIN BERGSTROM INTL AIRPORT  86  77  93  77  94 /  80  30  20  10  10
NEW BRAUNFELS MUNI AIRPORT     87  77  93  76  94 /  70  30  20  10  10
BURNET MUNI AIRPORT            83  75  90  76  90 /  70  30  20  10  10
DEL RIO INTL AIRPORT           90  76  93  76  95 /  20  10  10  10  10
GEORGETOWN MUNI AIRPORT        85  77  92  77  92 /  80  30  20  10  10
HONDO MUNI AIRPORT             87  76  92  77  93 /  60  30  20  10  10
SAN MARCOS MUNI AIRPORT        87  76  92  77  94 /  70  30  20  10  10
LA GRANGE - FAYETTE REGIONAL   85  77  91  78  92 /  80  30  20  10  10
SAN ANTONIO INTL AIRPORT       87  78  92  78  93 /  70  30  20  10  10
STINSON MUNI AIRPORT           87  77  93  78  94 /  70  30  20  10  10

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH THIS AFTERNOON FOR THE FOLLOWING
COUNTIES: ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...
CALDWELL...COMAL...DE WITT...DIMMIT...FAYETTE...FRIO...GILLESPIE...
GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR...LAVACA...
LEE...LLANO...MEDINA...REAL...TRAVIS...UVALDE...WILLIAMSON...
WILSON...ZAVALA.

&&

01/25

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
251 AM CDT WED SEP 8 2010

TXZ171>173-183>194-202>209-217>225-228-091200-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
251 AM CDT WED SEP 8 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...WEDNESDAY...

THE THREAT FOR FLASH FLOODING AND RIVER FLOODING WILL CONTINUE.

REMNANTS OF TROPICAL DEPRESSION HERMINE WILL CONTINUE HIGH CHANCES
FOR SHOWERS AND THUNDERSTORMS ACROSS EASTERN PORTIONS OF SOUTH
CENTRAL TEXAS AND THE HILL COUNTRY THROUGH THIS AFTERNOON AND
EVENING. HEAVY RAIN WITH THESE STORMS WILL PRODUCE NEW RAINFALL
TOTALS OF 2 TO 4 INCHES TODAY...WITH ISOLATED TOTALS OF 6 INCHES OR
MORE POSSIBLE. THIS ADDITIONAL RAINFALL WILL BE ACROSS AREAS
WHICH HAVE RECEIVED ESTIMATED AMOUNTS OF UP TO 10 TO 15 INCHES ON
TUESDAY AND WILL CAUSE FLASH FLOODING. A FLASH FLOOD WATCH IN IS
EFFECT FOR ALMOST ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
UNTIL 6 PM.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

RAIN CHANCES WILL CONTINUE TO DECREASE EARLY THURSDAY MORNING.
HOWEVER...RIVER FLOODING WILL STILL BE POSSIBLE THROUGH THE NEXT
FEW DAYS DUE TO RUNOFF FROM HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS WILL BE APPRECIATED THROUGH THIS EVENING.

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
201 AM CDT WED SEP 08 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0158 AM     HEAVY RAIN       10 NNW AUSTIN           30.40N  97.80W
09/08/2010  M10.11 INCH      TRAVIS             TX   BROADCAST MEDIA

            NWS COOP RAIN GAUGE MEASURED 10.11 INCHES FOR THE
            CALENDAR DAY ON TUESDAY.

&&

EVENT NUMBER EWX1000486

SBS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
222 AM CDT WED SEP 08 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0221 AM     FLASH FLOOD      SAN ANTONIO             29.46N 98.51W
09/08/2010                   BEXAR              TX   EMERGENCY MNGR

            SEVERAL HIGH WATER RESCUES ONGOING THROUGHOUT SAN
            ANTONIO.

&&

MS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
240 AM CDT WED SEP 08 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0239 AM     FLASH FLOOD      GEORGETOWN              30.65N 97.69W
09/08/2010                   WILLIAMSON         TX   BROADCAST MEDIA

            INTERSTATE 35 CLOSED IN BOTH DIRECTIONS IN GEORGETOWN.

&&

MS