ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM IVAN ADVISORY NUMBER 6 NATIONAL WEATHER SERVICE MIAMI FL 5 PM AST MON SEP 21 1998 ...IVAN MOVING TOWARD THE NORTHWEST...FAR FROM LAND... AT 5 PM AST...2100Z...THE CENTER OF TROPICAL STORM IVAN WAS LOCATED NEAR LATITUDE 19.3 NORTH...LONGITUDE 36.2 WEST OR ABOUT 750 MILES...1200 KM...WEST OF THE CAPE VERDE ISLANDS. IVAN IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH... 75 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 1003 MB...29.62 INCHES. REPEATING THE 5 PM AST POSITION...19.3 N... 36.2 W. MOVEMENT TOWARD...NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS... 45 MPH. MINIMUM CENTRAL PRESSURE...1003 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 PM AST. RAPPAPORT STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN