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ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM FLOYD ADVISORY NUMBER 4 NATIONAL WEATHER SERVICE MIAMI FL 11 AM AST WED SEP 08 1999 ...FLOYD MOVING WEST-NORTHWESTWARD IN THE TROPICAL ATLANTIC... AT 11 AM AST...1500Z...THE CENTER OF TROPICAL STORM FLOYD WAS LOCATED NEAR LATITUDE 15.8 NORTH...LONGITUDE 50.0 WEST OR ABOUT 755 MILES...1210 KM...EAST OF THE LEEWARD ISLANDS. FLOYD IS MOVING TOWARD THE WEST NORTHWEST NEAR 15 MPH ...24 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH... 75 KM/HR...WITH HIGHER GUSTS...AND SOME SLOW STRENGTHENING IS EXPECTED DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES ...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES. REPEATING THE 11 AM AST POSITION...15.8 N... 50.0 W. MOVEMENT TOWARD...WEST NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS... 45 MPH. MINIMUM CENTRAL PRESSURE...1003 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 PM AST. FRANKLIN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC. NNNN