Flash Flood Warning 6, NWS Corpus Christi, TX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1110 AM CDT WED MAY 27 2009

.DISCUSSION...70-80 KT JET STREAK WILL CONTINUE ACROSS NRN MEXICO
INTO DEEP S TX THROUGH THE AFTN. THIS PLACES MOST OF THE CWA IN
THE FAVORABLE LEFT EXIT REGION. WIDESPREAD STRONG TO SEVERE
CONVECTION CONTINUES ACROSS THE NRN CWA AND THESE STORMS WILL
LIKELY BUILD SOUTH W/ THE OUTFLOW BOUNDARIES ESP GIVEN THE CAPES NOW
EXCEEDING 4000 J/KG...DEWPOINTS IN THE MID 70S AND AFOREMENTIONED
JET DYNAMICS AT PLAY. THERE IS SOME MOST DEEP LAYER SHEAR ASSOC W/
THE JET AND SPC HAS AREA IN SLIGHT RISK. APPEARS THE RUC HAS BEST
HANDLE ON CONVECTION/OUTFLOWS ACROSS THE NERN CWA AND GENERALLY
FOLLOWED IS GUIDANCE FOR THE UPDATE. SO BASED ON THIS EXPECT THE
SVR AND HEAVY RAINFALL THREAT WILL SPREAD SOUTH W/ THE STORMS INTO
THE SRN COASTAL BEND THROUGH THE PERIOD. HAVE INCREASED POPS AND
INCLUDED MENTION OF POSSIBILITY OF SVR TSTMS ALONG WITH HEAVY
RAINFALL IN AREAS EAST OF HIGHWAY 281. HAVE HAD OVER 6 INCHES IN
SPOTS THIS MORNING AND ADDITIONAL ISOLATED 2 TO 4 INCH AMOUNTS ARE
POSSIBLE...ALTHOUGH THE THREAT OF HEAVY RAINFALL MAY DECREASE SOME
AS OUTFLOWS AND STORMS PICK UP SPEED.

&&

.PRELIMINARY POINT TEMPS/POPS...
CORPUS CHRISTI    90  71  89  68  90  /  70  20  30  10  10
VICTORIA          85  68  89  63  92  /  80  20  20  10  10
LAREDO            98  74  95  75  96  /  30  40  20  20  10
ALICE             95  72  93  68  92  /  70  30  30  10  10
ROCKPORT          85  73  87  70  89  /  80  20  20  10  10
COTULLA           90  70  91  68  94  /  30  40  20  20  10
KINGSVILLE        94  73  92  68  91  /  70  20  30  10  10
NAVY CORPUS       88  74  87  72  87  /  70  20  30  10  10

&&

.CRP WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.

&&

MJG...SHORT TERM

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1010 AM CDT WED MAY 27 2009

GMZ230-235-250-255-270-275-TXZ229>234-239>247-281515-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR-
COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM-
WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM-
LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
1010 AM CDT WED MAY 27 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT AS A
FRONTAL BOUNDARY INTERACTS WITH THE SEA BREEZE DURING DAYTIME
HEATING. SOME OF THE STORMS WILL POSSIBLY BECOME SEVERE...WITH
THE MAIN THREAT EXPECTED TO BE STRONG WINDS AND LARGE HAIL. ALSO
LOCALLY HEAVY RAINFALL...IN EXCESS OF 3 INCHES...IS EXPECTED WITH
THE STRONGER STORMS. SOME STORMS THIS MORNING HAVE ALREADY
PRODUCED ISOLATED AREAS OF 3 TO 6 INCHES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE WILL BE A SLIGHT CHANCE TO A CHANCE OF SHOWERS AND
THUNDERSTORMS THURSDAY DURING THE AFTERNOON AND EVENING HOURS.
HOWEVER...NO ORGANIZED SEVERE WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

MJG/KRR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
912 AM CDT WED MAY 27 2009

TXZ233-234-247-271515-
CALHOUN-GOLIAD-VICTORIA-
912 AM CDT WED MAY 27 2009

...STRONG THUNDERSTORMS WERE AFFECTING CALHOUN...GOLIAD AND VICTORIA
COUNTIES...

AT 909 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST OF
CHARCO TO PALACIOS...MOVING NORTHEAST AT 5 MPH.

PEA SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS. IN ADDITION...VERY HEAVY RAINFALL WITH TOTALS ESTIMATED AS
HIGH AS 5 INCHES HAVE OCCURRED ACROSS SOUTHERN VICTORIA AND NORTHERN
CALHOUN COUNTIES AND FLASH FLOOD WARNINGS ARE ALSO IN EFFECT IN
THESE AREAS.

PEOPLE IN CALHOUN...NORTHERN GOLIAD AND VICTORIA COUNTIES...INCLUDING
THE CITIES OF POINT COMFORT...BLOOMINGTON...KAMAY...PORT LAVACA...
GOLIAD...PLACEDO...FANNIN...CHARCO AND SAXET LAKES...SHOULD MONITOR
THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

MJG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
940 AM CDT WED MAY 27 2009

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

0918 AM     FLASH FLOOD      PORT LAVACA             28.61N 96.62W
05/27/2009                   CALHOUN            TX   COUNTY OFFICIAL

            STALLED VEHICLE ON GEORGE/SEA DRIFT. WATER UP TO DOOR.

0918 AM     HAIL             8 E POINT COMFORT       28.66N 96.43W
05/27/2009  E0.25 INCH       CALHOUN            TX   COUNTY OFFICIAL

            REPORTED IN PORT ALTO

0904 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  E2.00 INCH       CALHOUN            TX   CO-OP OBSERVER

            CO-OP OBSERVER REPORTED 2 INCHES OF RAIN WITHIN 30
            MINUTES

&&

CB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1014 AM CDT WED MAY 27 2009

TXZ231>234-246-247-271615-
BEE-CALHOUN-GOLIAD-LIVE OAK-REFUGIO-VICTORIA-
1014 AM CDT WED MAY 27 2009

...A STRONG THUNDERSTORM COMPLEX WAS AFFECTING
BEE...CALHOUN...GOLIAD...LIVE OAK...REFUGIO AND VICTORIA COUNTIES...

AT 1012 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CLUSTER OF STRONG THUNDERSTORMS FROM 6 MILES SOUTH OF CHARCO...OR
14 MILES WEST OF GOLIAD...MOVING EAST AT 20 MPH.

MOTHBALL SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM. THIS LINE OF STRONG STORMS WILL MOVE THROUGH BEEVILLE TO
GOLIAD THROUGH 11 AM. THE THUNDERSTORMS WILL ALSO PRODUCE VERY HEAVY
RAIN WITH 1 TO 2 INCHES IN ONE HOUR.

TARDY

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1037 AM CDT WED MAY 27 2009

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

0904 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  E2.00 INCH       CALHOUN            TX   CO-OP OBSERVER

            CO-OP OBSERVER REPORTED 2 INCHES OF RAIN WITHIN 30
            MINUTES

0918 AM     FLASH FLOOD      PORT LAVACA             28.61N 96.62W
05/27/2009                   CALHOUN            TX   COUNTY OFFICIAL

            STALLED VEHICLE ON GEORGE/SEA DRIFT. WATER UP TO DOOR.

0918 AM     HAIL             8 E POINT COMFORT       28.66N 96.43W
05/27/2009  E0.25 INCH       CALHOUN            TX   COUNTY OFFICIAL

            REPORTED IN PORT ALTO

1000 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  M4.50 INCH       CALHOUN            TX   CO-OP OBSERVER

            HEAVY RAIN AND FLASH FLOODING.

&&

ATARDY

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1111 AM CDT WED MAY 27 2009

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

0904 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  E2.00 INCH       CALHOUN            TX   CO-OP OBSERVER

            CO-OP OBSERVER REPORTED 2 INCHES OF RAIN WITHIN 30
            MINUTES

0918 AM     FLASH FLOOD      PORT LAVACA             28.61N 96.62W
05/27/2009                   CALHOUN            TX   COUNTY OFFICIAL

            STALLED VEHICLE ON GEORGE/SEA DRIFT. WATER UP TO DOOR.

0918 AM     HAIL             8 E POINT COMFORT       28.66N 96.43W
05/27/2009  E0.25 INCH       CALHOUN            TX   COUNTY OFFICIAL

            REPORTED IN PORT ALTO

1000 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  M4.50 INCH       CALHOUN            TX   CO-OP OBSERVER

            HEAVY RAIN AND FLASH FLOODING.

1100 AM     HAIL             GOLIAD                  28.67N 97.39W
05/27/2009  M1.75 INCH       GOLIAD             TX   LAW ENFORCEMENT

&&

ATARDY