000
WTNT34 KNHC 241442
TCPAT4
BULLETIN
HURRICANE IRENE ADVISORY NUMBER 17
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
1100 AM EDT WED AUG 24 2011
...IRENE TURNS NORTHWESTWARD...EYE MOVING OVER CROOKED AND ACKLINS ISLANDS...
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
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LOCATION...22.4N 73.9W
ABOUT 100 MI...160 KM SE OF LONG ISLAND BAHAMAS
ABOUT 285 MI...460 KM SE OF NASSAU
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...956 MB...28.23 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...
* THE SOUTHEASTERN...CENTRAL...AND NORTHWESTERN BAHAMAS
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE TURKS AND CAICOS ISLANDS
INTERESTS IN EASTERN NORTH CAROLINA AND THE MID-ATLANTIC STATES SHOULD MONITOR THE PROGRESS OF IRENE.
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 NEAR LATITUDE 22.4 NORTH...LONGITUDE 73.9 WEST. IRENE IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT. A TURN TOWARD THE NORTH-NORTHWEST AND THEN NORTH ARE EXPECTED THURSDAY AND THURSDAY NIGHT. ON THE FORECAST TRACK...THE CORE OF IRENE WILL MOVE ACROSS THE SOUTHEASTERN AND CENTRAL BAHAMAS THROUGH TONIGHT AND OVER THE NORTHWESTERN BAHAMAS ON THURSDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE DAY OR SO AND IRENE COULD BECOME A CATEGORY FOUR HURRICANE BY THURSDAY.
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.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE AIRCRAFT WAS 956 MB...28.23 INCHES.
HAZARDS AFFECTING LAND
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WIND...HURRICANE CONDITIONS ARE OCCURRING OVER PORTIONS OF THE SOUTHEASTERN BAHAMAS. TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN OVER THE CENTRAL BAHAMAS WITHIN THE NEXT FEW HOURS...WITH HURRICANE CONDITIONS EXPECTED BY 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 BAHAMAS. A STORM SURGE OF 5 TO 8 FEET ABOVE NORMAL TIDE LEVELS IS ALSO POSSIBLE IN AREAS OF ONSHORE WINDS OVER THE TURKS AND CAICOS ISLANDS. 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 HISPANIOLA WITH ISOLATED MAXIMUM STORM TOTAL AMOUNTS OF 15 INCHES POSSIBLE. 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 INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.
$$
FORECASTER BROWN
