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WTNT34 KNHC 281440
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BULLETIN
TROPICAL STORM DON ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL042011
1000 AM CDT THU JUL 28 2011

...HURRICANE HUNTER AIRCRAFT FINDS THAT DON IS A LITTLE STRONGER...


SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...24.1N 90.1W
ABOUT 520 MI...840 KM ESE OF CORPUS CHRISTI TEXAS
ABOUT 480 MI...770 KM ESE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

A TROPICAL STORM WARNING IS NOW IN EFFECT FOR THE TEXAS COAST FROM
PORT MANSFIELD TO SAN LUIS PASS.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* TEXAS COAST FROM PORT MANSFIELD TO SAN LUIS PASS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TEXAS COAST SOUTH OF PORT MANSFIELD TO THE MOUTH OF THE RIO GRANDE

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1000 AM CDT...1500 UTC...THE CENTER OF TROPICAL STORM DON WAS
LOCATED NEAR LATITUDE 24.1 NORTH...LONGITUDE 90.1 WEST. DON IS
MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/H.  A GENERAL MOTION
TOWARD THE NORTHWEST OR WEST-NORTHWEST IS EXPECTED THROUGH SATURDAY.
ON THIS TRACK...THE CENTER OF DON SHOULD CROSS THE CENTRAL GULF OF
MEXICO TODAY...APPROACH THE TEXAS COAST ON FRIDAY....AND REACH THE
TEXAS COAST FRIDAY NIGHT OR SATURDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS.  GRADUAL STRENGTHENING IS FORECAST DURING THE NEXT 36 HOURS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM
FROM THE CENTER.  A MEXICAN AUTOMATED STATION AT ISLA PEREZ IN THE
GULF OF MEXICO RECENTLY REPORTED A WIND GUST OF 38 MPH...61 KM/H.

THE MINIMUM CENTRAL PRESSURE EXTRAPOLATED BY THE HURRICANE HUNTER
AIRCRAFT IS 1001 MB...29.56 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING
AREA BY LATE FRIDAY OR FRIDAY NIGHT.  TROPICAL STORM CONDITIONS ARE
POSSIBLE IN THE WATCH AREA BY LATE FRIDAY OR FRIDAY NIGHT.

STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS
1 TO 2 FEET ABOVE GROUND LEVEL...MAINLY ALONG THE IMMEDIATE COAST
NEAR AND TO THE NORTHEAST OF WHERE THE CENTER MAKES LANDFALL. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING
WAVES.

RAINFALL...DON IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
3 TO 5 INCHES FROM THE CENTRAL TEXAS COAST WESTWARD INTO SOUTH
CENTRAL TEXAS...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 7 INCHES.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...100 PM CDT.
NEXT COMPLETE ADVISORY...400 PM CDT.

$$
FORECASTER BEVEN

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