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WTNT34 KNHC 291743
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BULLETIN
TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER   8A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL042011
100 PM CDT FRI JUL 29 2011

...HURRICANE HUNTER AIRCRAFT REPORTS DON STILL HAS WINDS NEAR
50 MPH...


SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...26.5N 95.6W
ABOUT 145 MI...235 KM SE OF CORPUS CHRISTI TEXAS
ABOUT 120 MI...195 KM ENE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 15 MPH...23 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* TEXAS COAST FROM THE MOUTH OF THE RIO GRANDE TO MATAGORDA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
HOURS.

INTERESTS IN NORTHEASTERN MEXICO SHOULD MONITOR THE PROGRESS OF DON.

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. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM DON WAS
LOCATED NEAR LATITUDE 26.5 NORTH...LONGITUDE 95.6 WEST. DON IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...23 KM/H...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 36 TO 48 HOURS.
ON THE FORECAST TRACK...THE CENTER OF DON IS EXPECTED TO MAKE
LANDFALL ON THE TEXAS COAST TONIGHT OR EARLY SATURDAY...AND THEN
MOVE ACROSS SOUTHERN TEXAS ON SATURDAY.

REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/H...WITH
HIGHER GUSTS.  SLIGHT STRENGTHENING IS POSSIBLE BEFORE LANDFALL...
WITH STEADY WEAKENING EXPECTED AFTER LANDFALL.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM
FROM THE CENTER.

THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM THE HURRICANE HUNTER
AIRCRAFT DATA IS 1004 MB...29.65 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING
AREA BY LATE TODAY.

STORM SURGE...WATER LEVELS WILL RISE 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 SOUTH TEXAS INTO EXTREME NORTHEASTERN MEXICO...
WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 7 INCHES.

TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF SOUTH
TEXAS THIS AFTERNOON AND TONIGHT.


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

$$
FORECASTER BEVEN/KIMBERLAIN



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