ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM IVAN ADVISORY NUMBER 8 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST TUE SEP 22 1998 ...IVAN MOVING TOWARD THE NORTH...FAR FROM LAND... AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM IVAN WAS LOCATED NEAR LATITUDE 21.4 NORTH...LONGITUDE 36.1 WEST OR ABOUT 770 MILES...1240 KM...WEST-NORTHWEST OF THE CAPE VERDE ISLANDS. IVAN IS MOVING TOWARD THE NORTH NEAR 13 MPH ...20 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH... 85 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST 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 1000 MB...29.53 INCHES. REPEATING THE 5 AM AST POSITION...21.4 N... 36.1 W. MOVEMENT TOWARD...NORTH NEAR 13 MPH. MAXIMUM SUSTAINED WINDS... 50 MPH. MINIMUM CENTRAL PRESSURE...1000 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM AST. JARVINEN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN