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WTNT34 KNHC 231450
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BULLETIN
HURRICANE IRENE ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
1100 AM EDT TUE AUG 23 2011

...IRENE APPROACHING THE TURKS AND CAICOS ISLANDS...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...20.5N 71.0W
ABOUT 70 MI...110 KM S OF GRAND TURK ISLAND
ABOUT 50 MI...85 KM NNW OF PUERTO PLATA DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...980 MB...28.94 INCHES


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

THE GOVERNMENT OF THE BAHAMAS HAS CHANGED THE HURRICANE WATCH FOR
THE NORTHWESTERN BAHAMAS TO A HURRICANE WARNING.

THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS CHANGED THE HURRICANE
WARNING ALONG THE NORTH COAST OF THE DOMINICAN REPUBLIC TO A
TROPICAL STORM WARNING.

THE TROPICAL STORM WARNING FOR HAITI SOUTH OF LE MOLE ST.
NICHOLAS HAS BEEN DISCONTINUED.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* TURKS AND CAICOS ISLANDS
* THE SOUTHEASTERN...CENTRAL...AND NORTHWESTERN BAHAMAS

A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE
DOMINICAN REPUBLIC BORDER

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH COAST OF THE DOMINICAN REPUBLIC FROM CABO ENGANO WESTWARD TO
THE HAITI BORDER
* NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE
DOMINICAN REPUBLIC BORDER

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM EDT...1500 UTC...THE CENTER OF HURRICANE IRENE WAS
LOCATED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT NEAR
LATITUDE 20.5 NORTH...LONGITUDE 71.0 WEST.  IRENE IS MOVING TOWARD
THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H.  THIS GENERAL MOTION IS
EXPECTED TO CONTINUE THROUGH TONIGHT...FOLLOWED BY A TURN TOWARD
THE NORTHWEST ON WEDNESDAY.  ON THE FORECAST TRACK...THE CORE OF
IRENE WILL MOVE NEAR OR OVER THE TURKS AND CAICOS ISLANDS AND THE
SOUTHEASTERN BAHAMAS TONIGHT...BE NEAR THE CENTRAL BAHAMAS EARLY
WEDNESDAY...AND NEAR OR OVER THE NORTHWESTERN BAHAMAS ON THURSDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/H...WITH HIGHER
GUSTS.  IRENE IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  STRENGTHENING IS FORECAST DURING THE NEXT
48 HOURS...AND IRENE COULD BECOME A MAJOR HURRICANE BY WEDNESDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205
MILES...335 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 980 MB...28.94 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER NORTHERN
PORTIONS OF THE DOMINICAN REPUBLIC THROUGH THIS AFTERNOON. TROPICAL
STORM CONDITIONS ARE SPREADING OVER THE SOUTHEASTERN BAHAMAS AND
THE TURKS AND CAICOS ISLANDS WITH HURRICANE CONDITIONS EXPECTED
BY THIS AFTERNOON AND EVENING.  TROPICAL STORM CONDITIONS ARE
FORECAST TO REACH THE CENTRAL BAHAMAS LATE TONIGHT WITH HURRICANE
CONDITIONS EXPECTED BY WEDNESDAY.  TROPICAL STORM CONDITIONS ARE
EXPECTED IN THE NORTHWESTERN BAHAMAS BY LATE WEDNESDAY...WITH
HURRICANE CONDITIONS EXPECTED BY THURSDAY.

STORM SURGE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER
LEVELS BY AS MUCH AS 9 TO 13 FEET ABOVE NORMAL TIDE LEVELS OVER THE
BAHAMAS AND THE TURKS AND CAICOS ISLANDS...NEAR AND TO THE NORTH OF
THE CENTER OF IRENE.  A STORM SURGE WILL ALSO RAISE WATER LEVELS BY
AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE NORTH
COAST OF HAITI AND THE ENTIRE COAST OF THE DOMINICAN REPUBLIC. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS
WAVES.

RAINFALL...IRENE IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 1 TO 3 INCHES ACROSS PUERTO RICO.  RAINFALL
AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED OVER NORTHERN HISPANIOLA...
WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 15 INCHES POSSIBLE OVER
HIGHER TERRAIN.  THESE RAINS COULD CAUSE LIFE-THREATENING FLASH
FLOODS AND MUDSLIDES IN AREAS OF STEEP TERRAIN.  RAINFALL
ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED IN THE SOUTHEASTERN
AND CENTRAL BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.

$$
FORECASTER BROWN/BLAKE



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