ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE BILL ADVISORY NUMBER 12 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009 500 AM AST TUE AUG 18 2009 ...BILL MOVING WEST-NORTHWESTWARD ACROSS THE TROPICAL ATLANTIC WITH LITTLE CHANGE IN STRENGTH... INTERESTS IN THE LEEWARD ISLANDS 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 500 AM AST...0900 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED NEAR LATITUDE 15.5 NORTH...LONGITUDE 49.7 WEST OR ABOUT 810 MILES... 1305 KM...EAST OF THE LEEWARD ISLANDS. BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO WITH A GRADUAL TURN TO THE NORTHWEST ON WEDNESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/HR...WITH HIGHER GUSTS. BILL IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND BILL COULD BECOME A MAJOR HURRICANE WITHIN THE NEXT DAY OR SO. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES. ...SUMMARY OF 500 AM AST INFORMATION... LOCATION...15.5N 49.7W MAXIMUM SUSTAINED WINDS...100 MPH PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 17 MPH MINIMUM CENTRAL PRESSURE...967 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST. $$ FORECASTER BEVEN NNNN
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Page last modified: Thursday, 31-Dec-2009 12:09:04 UTC