WTKO20 RKSL 281200 KMA TROPICAL CYCLONE ADVISORY NO. 31 NAME 1705 NORU ANALYSIS POSITION 281200UTC 28.1N 143.7E MOVEMENT SW 14KT PRES/VMAX 975HPA 62KT FORECAST 24HR POSITION 291200UTC 25.7N 141.8E WITHIN 75NM PRES/VMAX 970HPA 68KT 48HR POSITION 301200UTC 24.1N 140.6E WITHIN 125NM PRES/VMAX 965HPA 72KT 72HR POSITION 311200UTC 23.9N 139.8E WITHIN 175NM PRES/VMAX 965HPA 72KT 96HR POSITION 011200UTC 24.0N 139.3E WITHIN 250NM PRES/VMAX 970HPA 68KT 120HR POSITION 021200UTC 24.2N 139.0E WITHIN 295NM PRES/VMAX 970HPA 68KT KOREA METEOROLOGICAL ADMINISTRATION.