Hurricane IRENE

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BULLETIN
HURRICANE IRENE ADVISORY NUMBER   7
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
500 AM AST MON AUG 22 2011
 
...IRENE STRENGTHENS OVER PUERTO RICO...BECOMING THE FIRST HURRICANE
OF THE 2011 ATLANTIC SEASON...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...18.4N 66.4W
ABOUT 25 MI...40 KM W OF SAN JUAN PUERTO RICO
ABOUT 125 MI...200 KM E OF PUNTA CANA DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A HURRICANE WATCH HAS BEEN ISSUED FOR THE NORTH COAST OF HAITI
FROM LE MOLE ST. NICHOLAS EASTWARD TO THE DOMINICAN REPUBLIC BORDER.
 
THE HURRICANE WATCH HAS BEEN DISCONTINUED FOR THE U.S. VIRGIN
ISLANDS.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* 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...
* 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
------------------------------
AT 500 AM AST...0900 UTC...DATA FROM THE SAN JUAN FAA DOPPLER
WEATHER RADAR INDICATE THAT THE CENTER OF HURRICANE IRENE WAS
LOCATED ALONG THE NORTH COAST OF PUERTO RICO NEAR LATITUDE 18.4
NORTH...LONGITUDE 66.4 WEST. IRENE IS MOVING TOWARD THE
WEST-NORTHWEST NEAR 12 MPH...19 KM/H. THIS GENERAL MOTION IS
EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST
TRACK THE CENTER OF IRENE WILL MOVE OFF THE NORTH COAST OF PUERTO
RICO THIS MORNING...AND MOVE NEAR OR OVER THE NORTHERN COASTAL
REGIONS OF THE DOMINICAN REPUBLIC THIS AFTERNOON AND TONIGHT.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120
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.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE OCCURRING IN THE VIRGIN
ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND WILL
CONTINUE TO SPREAD ACROSS PUERTO RICO THIS MORNING. TROPICAL STORM
CONDITIONS WILL REACH THE DOMINICAN REPUBLIC BY THIS AFTERNOON.
HURRICANE CONDITIONS ARE EXPECTED OVER PUERTO RICO...VIEQUES...AND
CULEBRA THIS MORNING...AND OVER THE NORTHERN PORTIONS OF THE
DOMINICAN REPUBLIC MONDAY AFTERNOON AND EVENING. 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
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 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 INTERMEDIATE ADVISORIES...700 AM AST AND 900 AM AST.
NEXT COMPLETE ADVISORY...1100 AM AST.
 
$$
FORECASTER STEWART
 
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