WTKO20 RKSL 211800 KMA TROPICAL CYCLONE ADVISORY NO. 4 NAME 1705 NORU ANALYSIS POSITION 211800UTC 28.4N 154.8E MOVEMENT WNW 11KT PRES/VMAX 1004HPA 35KT FORECAST 24HR POSITION 221800UTC 29.0N 153.4E WITHIN 75NM PRES/VMAX 992HPA 45KT 48HR POSITION 231800UTC 28.6N 152.7E WITHIN 125NM PRES/VMAX 985HPA 52KT 72HR POSITION 241800UTC 27.9N 153.7E WITHIN 175NM PRES/VMAX 980HPA 56KT 96HR POSITION 251800UTC 27.5N 155.7E WITHIN 250NM PRES/VMAX 975HPA 62KT 120HR POSITION 261800UTC 29.3N 155.4E WITHIN 295NM PRES/VMAX 975HPA 62KT KOREA METEOROLOGICAL ADMINISTRATION.