000
WTNT34 KNHC 240540
TCPAT4
BULLETIN
HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER 15A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
200 AM EDT WED AUG 24 2011
...IRENE STRENGTHENING...
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
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LOCATION...21.3N 72.6W
ABOUT 400 MI...650 KM SE OF NASSAU
ABOUT 975 MI...1570 KM S OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES
WATCHES AND WARNINGS
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CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
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 TROPICAL STORM WARNING IS IN EFFECT FOR...
* 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
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AT 200 AM EDT...0600 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED BY AN AIR FORCE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 21.3 NORTH...LONGITUDE 72.6 WEST. THE EYE OF THE HURRICANE HAS BEEN WOBBLING OVER THE PAST FEW HOURS...BUT IRENE IS MOVING GENERALLY TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/H. A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED ON WEDNESDAY. ON THE FORECAST TRACK...THE CORE OF IRENE WILL MOVE ACROSS THE SOUTHEASTERN AND CENTRAL BAHAMAS TODAY AND OVER THE NORTHWESTERN BAHAMAS ON THURSDAY.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 100 MPH...155 KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. STRENGTHENING IS FORECAST... AND IRENE COULD BECOME A MAJOR HURRICANE WITHIN THE NEXT DAY OR SO.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTERS WAS 966 MB...28.53 INCHES.
HAZARDS AFFECTING LAND
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WIND...HURRICANE CONDITIONS ARE OCCURRING OVER PORTIONS OF THE TURKS AND CAICOS ISLANDS...AND ARE BEGINNING TO SPREAD OVER THE SOUTHEASTERN BAHAMAS. TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN OVER THE CENTRAL BAHAMAS TODAY...WITH HURRICANE CONDITIONS EXPECTED TONIGHT. TROPICAL STORM CONDITIONS ARE EXPECTED IN THE NORTHWESTERN BAHAMAS BY LATE TONIGHT...WITH HURRICANE CONDITIONS EXPECTED ON THURSDAY.
STORM SURGE...IN AREAS OF ONSHORE WINDS NEAR THE CENTER OF IRENE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 7 TO 11 FEET ABOVE NORMAL TIDE LEVELS OVER THE CENTRAL AND NORTHWESTERN BAHAMAS...AND BY AS MUCH AS 5 TO 8 FEET ABOVE NORMAL TIDE LEVELS OVER THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES. A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE NORTH COAST OF HAITI.
RAINFALL...IRENE IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES ACROSS PUERTO RICO AND HISPANIOLA. ISOLATED MAXIMUM STORM TOTAL AMOUNTS OF 15 INCHES ARE POSSIBLE IN ASSOCIATION WITH IRENE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN. RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED IN THE BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...500 AM EDT.
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FORECASTER PASCH/KIMBERLAIN