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#111179 (Received by flhurricane at: 10:58 AM 16.Sep.2006) TCPAT3 BULLETIN HURRICANE HELENE ADVISORY NUMBER 17 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 1100 AM AST SAT SEP 16 2006 ...HELENE BECOMES THE FOURTH HURRICANE OF THE ATLANTIC SEASON... AT 1100 AM AST...1500Z...THE CENTER OF HURRICANE HELENE WAS LOCATED NEAR LATITUDE 18.8 NORTH...LONGITUDE 45.6 WEST OR ABOUT 1145 MILES ...1845 KM...EAST OF THE NORTHERN LEEWARD ISLANDS. HELENE IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 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. HELENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. 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 1100 AM AST POSITION...18.8 N...45.6 W. MOVEMENT TOWARD...NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...75 MPH. MINIMUM CENTRAL PRESSURE...987 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 PM AST. $$ FORECASTER BEVEN/LANDSEA |