[Tropical] Public Tropical Cyclone Advisory

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WTNT34 KNHC 221302
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BULLETIN
HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER   7B
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
900 AM AST MON AUG 22 2011

...IRENE HEADING FOR THE SOUTHEASTERN BAHAMAS...


SUMMARY OF 900 AM AST...1300 UTC...INFORMATION
----------------------------------------------
LOCATION...19.0N 67.2W
ABOUT 90 MI...140 KM WNW OF SAN JUAN PUERTO RICO
ABOUT 75 MI...125 KM ENE OF PUNTA CANA DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES


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

THE HURRICANE WARNING FOR PUERTO RICO...VIEQUES AND CULEBRA HAS BEEN
REPLACED WITH A TROPICAL STORM WARNING.


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

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

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES AND CULEBRA
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS
* SOUTH COAST OF THE DOMINICAN REPUBLIC FROM SOUTH OF CABO ENGANO
WESTWARD TO THE HAITI BORDER
* ALL OF HAITI
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS

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
------------------------------
DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT THE
CENTER OF HURRICANE IRENE IS MOVING AWAY FROM PUERTO RICO AND AT
900 AM AST...1300 UTC...THE CENTER WAS LOCATED NEAR LATITUDE 19.0
NORTH...LONGITUDE 67.2 WEST. IRENE IS MOVING TOWARD THE
WEST-NORTHWEST NEAR 14 MPH...22 KM/H. THIS GENERAL MOTION IS
EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST
TRACK...THE CENTER OF IRENE WILL CONTINUE TO MOVE AWAY FROM THE
NORTH COAST OF PUERTO RICO THIS MORNING...AND APPROACH THE NORTHERN
COAST OF THE DOMINICAN REPUBLIC LATER TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER
GUSTS.  IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS.

HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO
150 MILES...240 KM...MAINLY NORTHWEST AND NORTHEAST OF THE CENTER.

MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE HURRICANE
HUNTER PLANE WAS 990 MB...29.23 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS SHOULD GRADUALLY DECREASE IN THE
VIRGIN ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND
WILL CONTINUE ACROSS WESTERN PUERTO RICO THIS MORNING. TROPICAL
STORM CONDITIONS WILL REACH THE NORTHERN PORTION OF DOMINICAN
REPUBLIC BY THIS AFTERNOON. HURRICANE CONDITIONS ARE POSSIBLE OVER
THE NORTHERN PORTIONS OF THE DOMINICAN REPUBLIC LATER TODAY. THE
HIGHEST WINDS ARE LIKELY TO OCCUR OVER AREAS OF ELEVATED TERRAIN.
TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE SOUTHEASTERN
BAHAMAS AND THE TURKS AND CAICOS ISLANDS TUESDAY...AND ARE POSSIBLE
IN THE CENTRAL BAHAMAS BY LATE TUESDAY. HURRICANE CONDITIONS ARE
POSSIBLE IN THE SOUTHEASTERN AND CENTRAL BAHAMAS BY TUESDAY NIGHT.

RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 5 TO 10 INCHES ACROSS PUERTO RICO...THE VIRGIN ISLANDS...THE
DOMINICAN REPUBLIC...HAITI...THE SOUTHEASTERN BAHAMAS AND THE TURKS
AND CAICOS ISLANDS.  ISOLATED MAXIMUM AMOUNTS OF UP TO 20 INCHES
ARE POSSIBLE.  THESE RAINS COULD CAUSE LIFE-THREATENING FLASH
FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN.

STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2
TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE ENTIRE COAST OF THE
DOMINICAN REPUBLIC.  A STORM SURGE OF 1 TO 3 FEET ABOVE NORMAL TIDE
LEVELS IS EXPECTED ALONG THE NORTHWEST COAST OF PUERTO RICO...AS
WELL AS IN THE REMAINDER OF THE TROPICAL STORM WARNING AREA. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS
WAVES.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.

$$
FORECASTER AVILA


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