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| #112307 (Received by flhurricane at: 10:43 PM 21.Sep.2006) TCPAT3 BULLETIN HURRICANE HELENE ADVISORY NUMBER 39 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 1100 PM AST THU SEP 21 2006 ...HELENE SLIGHTLY STRONGER MOVING NORTH-NORTHEAST OVER THE CENTRAL ATLANTIC... AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE HELENE WAS LOCATED NEAR LATITUDE 31.8 NORTH...LONGITUDE 56.3 WEST OR ABOUT 500 MILES... 805 KM...EAST OF BERMUDA. HELENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 14 MPH...22 KM/HR ...AND A MOTION TOWARD THE NORTH-NORTHEAST OR NORTHEAST...WITH AN INCREASE IN FORWARD SPEED...IS EXPECTED DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER GUSTS. HELENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES. REPEATING THE 1100 PM AST POSITION...31.8 N...56.3 W. MOVEMENT TOWARD...NORTH-NORTHEAST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...85 MPH. MINIMUM CENTRAL PRESSURE...970 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 AM AST. $$ FORECASTER MAINELLI/BEVEN |
