ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IVAN ADVISORY NUMBER 17 NATIONAL WEATHER SERVICE MIAMI FL 11 AM AST THU SEP 24 1998 AT 11 AM AST...1500Z...THE CENTER OF HURRICANE IVAN WAS LOCATED NEAR LATITUDE 33.0 NORTH...LONGITUDE 42.0 WEST OR ABOUT 845 MILES...1365 KM...WEST-SOUTHWEST OF THE AZORES ISLANDS. IVAN IS MOVING TOWARD THE NORTH NORTHWEST NEAR 13 MPH...20 KM/HR. A GRADUAL TURN TOWARD THE NORTH AND THEN THE NORTH-NORTHEAST 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 30 MILES... 45 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 984 MB...29.06 INCHES. REPEATING THE 11 AM AST POSITION...33.0 N... 42.0 W. MOVEMENT TOWARD...NORTH NORTHWEST NEAR 13 MPH. MAXIMUM SUSTAINED WINDS... 80 MPH. MINIMUM CENTRAL PRESSURE... 984 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 PM AST. RAPPAPORT STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN