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| #112229 (Received by flhurricane at: 10:52 AM 21.Sep.2006) TCPAT3 BULLETIN HURRICANE HELENE ADVISORY NUMBER 37 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 1100 AM AST THU SEP 21 2006 ...HELENE WEAKENS OVER THE CENTRAL ATLANTIC...NO THREAT TO LAND... AT 1100 AM AST...1500Z...THE CENTER OF HURRICANE HELENE WAS LOCATED NEAR LATITUDE 29.6 NORTH...LONGITUDE 56.9 WEST OR ABOUT 505 MILES... 810 KM...EAST-SOUTHEAST OF BERMUDA. HELENE IS MOVING TOWARD THE NORTH NEAR 13 MPH...20 KM/HR...AND A GRADUAL TURN TOWARD THE NORTH-NORTHEAST OR NORTHEAST...WITH AN INCREASE IN FORWARD SPEED...IS EXPECTED DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES. ALTHOUGH HELENE IS EXPECTED TO PASS SEVERAL HUNDRED MILES TO THE EAST OF BERMUDA...LARGE OCEAN SWELLS PRODUCING HAZARDOUS SURF CONDITIONS COULD AFFECT THE AREA DURING THE NEXT COUPLE OF DAYS. REPEATING THE 1100 AM AST POSITION...29.6 N...56.9 W. MOVEMENT TOWARD...NORTH NEAR 13 MPH. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL PRESSURE...970 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 PM AST. $$ FORECASTER BROWN/AVILA |
