ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE HELENE ADVISORY NUMBER 40 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 500 AM AST FRI SEP 22 2006 ...HELENE MOVING NORTHEASTWARD OVER THE OPEN CENTRAL ATLANTIC... AT 500 AM AST...0900Z...THE CENTER OF HURRICANE HELENE WAS LOCATED NEAR LATITUDE 32.9 NORTH...LONGITUDE 55.2 WEST OR ABOUT 560 MILES... 900 KM...EAST OF BERMUDA. HELENE IS MOVING TOWARD THE NORTHEAST NEAR 15 MPH...24 KM/HR...AND THIS MOTION...WITH A GRADUAL 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. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES. REPEATING THE 500 AM AST POSITION...32.9 N...55.2 W. MOVEMENT TOWARD...NORTHEAST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...85 MPH. MINIMUM CENTRAL PRESSURE...970 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST. $$ FORECASTER STEWART NNNN
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Page last modified: Friday, 22-Sep-2006 09:00:02 UTC