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WTNT34 KNHC 230025
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BULLETIN
HURRICANE IRENE SPECIAL ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
830 PM AST MON AUG 22 2011

...IRENE INTENSIFIES TO A CATEGORY TWO HURRICANE...FURTHER
STRENGTHENING EXPECTED...


SUMMARY OF 830 PM AST...0030 UTC...INFORMATION
----------------------------------------------
LOCATION...19.7N 68.7W
ABOUT 200 MI...320 KM SE OF GRAND TURK ISLAND
ABOUT 130 MI...210 KM E OF PUERTO PLATA DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES


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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* NORTH COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER
EASTWARD TO CABO ENGANO
* TURKS AND CAICOS ISLANDS...SOUTHEASTERN AND CENTRAL BAHAMAS

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

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SOUTH COAST OF THE DOMINICAN REPUBLIC FROM SANTO DOMINGO EASTWARD
TO CABO ENGANO
* ALL OF HAITI

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 830 PM AST...0030 UTC...THE CENTER OF HURRICANE IRENE WAS
LOCATED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT
NEAR LATITUDE 19.7 NORTH...LONGITUDE 68.7 WEST. IRENE IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H.  A MOTION TOWARD
THE WEST-NORTHWEST WITH A SLIGHT INCREASE IN FORWARD SPEED IS
EXPECTED TONIGHT AND TUESDAY.  ON THE FORECAST TRACK...THE CORE OF
IRENE WILL MOVE JUST TO THE NORTH OF THE DOMINICAN REPUBLIC AND
HAITI TONIGHT...NEAR OR OVER THE TURKS AND CAICOS ISLANDS AND THE
SOUTHEASTERN BAHAMAS ON TUESDAY...AND NEAR THE CENTRAL BAHAMAS
EARLY WEDNESDAY.

DATA FROM THE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO NEAR 100 MPH...160 KM/H...WITH
HIGHER GUSTS.  IRENE IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON SCALE.  ADDITIONAL STRENGTHENING IS FORECAST DURING
THE NEXT 48 HOURS...AND IRENE COULD BECOME A MAJOR HURRICANE ON
TUESDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185
MILES...295 KM.

THE MINIMUM CENTRAL PRESSURE BASED ON DATA FROM THE HURRICANE HUNTER
AIRCRAFT IS 981 MB...28.97 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS WILL SPREAD OVER THE NORTHERN
PORTIONS OF DOMINICAN REPUBLIC TONIGHT AND LOCALIZED HURRICANE
CONDITIONS ARE EXPECTED OVER THE NORTHERN PORTIONS OF THE DOMINICAN
REPUBLIC BY TONIGHT AND EARLY TUESDAY.  THE HIGHEST WINDS ARE
LIKELY TO OCCUR OVER AREAS OF ELEVATED TERRAIN.  HURRICANE
CONDITIONS ARE EXPECTED TO REACH THE SOUTHEASTERN BAHAMAS AND THE
TURKS AND CAICOS ISLANDS TUESDAY...AND THE CENTRAL BAHAMAS BY LATE
TUESDAY AND WEDNESDAY.

RAINFALL...IRENE IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 1 TO 2 INCHES ACROSS PUERTO RICO AND THE VIRGIN
ISLANDS.  RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED OVER
NORTHERN HISPANIOLA...WITH ISOLATED AMOUNTS OF UP TO 10 INCHES
POSSIBLE OVER HIGHER TERRAIN.  THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES IN AREAS OF STEEP
TERRAIN.  RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE IN
THE SOUTHEASTERN BAHAMAS...THE TURKS AND CAICOS ISLANDS AND THE
CENTRAL BAHAMAS.

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


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM AST.

$$
FORECASTER BRENNAN


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