WTKO20 RKSL 271200 KMA TROPICAL CYCLONE ADVISORY NO. 6 NAME 1603 MIRINAE ANALYSIS POSITION 271200UTC 19.9N 106.6E MOVEMENT W 5KT PRES/VMAX 990HPA 47KT FORECAST 24HR POSITION 281200UTC 20.6N 103.5E WITHIN 0NM PRES 1002HPA KOREA METEOROLOGICAL ADMINISTRATION.