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| #111254 (Received by flhurricane at: 4:55 PM 16.Sep.2006) TCPAT3 BULLETIN HURRICANE HELENE ADVISORY NUMBER 18 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 500 PM AST SAT SEP 16 2006 ...HELENE CONTINUES TOWARD THE NORTHWEST WITH NO CHANGE IN INTENSITY... AT 500 PM AST...2100Z...THE CENTER OF HURRICANE HELENE WAS LOCATED NEAR LATITUDE 19.3 NORTH...LONGITUDE 46.3 WEST OR ABOUT 1100 MILES ...1775 KM...EAST OF THE NORTHERN LEEWARD ISLANDS. HELENE IS MOVING TOWARD THE NORTHWEST NEAR 13 MPH...20 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. REPEATING THE 500 PM AST POSITION...19.3 N...46.3 W. MOVEMENT TOWARD...NORTHWEST NEAR 13 MPH. MAXIMUM SUSTAINED WINDS...75 MPH. MINIMUM CENTRAL PRESSURE...987 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM AST. $$ FORECASTER BEVEN/LANDSEA |
