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#289899 (Received by flhurricane at: 10:49 AM 21.Aug.2009) TCPAT3 BULLETIN HURRICANE BILL ADVISORY NUMBER 25 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009 1100 AM AST FRI AUG 21 2009 ...LARGE HURRICANE BILL ON A STEADY NORTHWESTWARD TRACK...RAINBANDS ALREADY AFFECTING BERMUDA... A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR BERMUDA. INTERESTS ALONG THE COAST OF NEW ENGLAND AND IN THE CANADIAN MARITIMES SHOULD MONITOR THE PROGRESS OF BILL. 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 OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED NEAR LATITUDE 27.6 NORTH...LONGITUDE 66.3 WEST OR ABOUT 335 MILES... 540 KM...SOUTH-SOUTHWEST OF BERMUDA AND ABOUT 755 MILES...1215 KM... SOUTHEAST OF CAPE HATTERAS NORTH CAROLINA. BILL IS MOVING TOWARD THE NORTHWEST NEAR 18 MPH...30 KM/HR. A GRADUAL TURN TO THE NORTH-NORTHWEST AND THEN NORTH IS EXPECTED LATER TODAY AND SATURDAY. ON THE FORECAST TRACK...THE CORE OF HURRICANE WILL BIL IS EXPECTED TO PASS OVER THE OPEN WATERS BETWEEN BERMUDA AND THE EAST COAST OF THE UNITED STATES ON SATURDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/HR...WITH HIGHER GUSTS. BILL IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN INTENSITY ARE LIKELY TODAY AND SATURDAY. BILL REMAINS A LARGE TROPICAL CYCLONE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. RADAR FROM BERMUDA INDICATES THAT SOME RAINBANDS ARE ALREADY AFFECTING BERMUDA. ESTIMATED MINIMUM CENTRAL PRESSURE IS 958 MB...28.29 INCHES. BILL IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO 3 INCHES OVER BERMUDA...WITH MAXIMUM AMOUNTS OF 5 INCHES. THE BERMUDA WEATHER SERVICE FORECAST THAT THE STORM TIDE WILL RAISE WATER LEVELS BY AS MUCH AS 3 FEET ABOVE GROUND LEVEL ALONG THE COAST...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IN ADVANCE OF BILL. LARGE SWELLS GENERATED BY THIS HURRICANE ARE AFFECTING PUERTO RICO...HISPANIOLA...THE BAHAMAS...AND BERMUDA...AND SHOULD BEGIN AFFECTING MOST OF THE U.S. EAST COAST AND THE ATLANTIC MARITIMES OF CANADA DURING THE NEXT DAY OR TWO. THESE SWELLS WILL LIKELY CAUSE EXTREMELY DANGEROUS SURF AND LIFE-THREATENING RIP CURRENTS. ...SUMMARY OF 1100 AM AST INFORMATION... LOCATION...27.6N 66.3W MAXIMUM SUSTAINED WINDS...115 MPH PRESENT MOVEMENT...NORTHWEST OR 325 DEGREES AT 18 MPH MINIMUM CENTRAL PRESSURE...958 MB AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 PM AST. $$ FORECASTER AVILA |