WTKO20 RKSL 171200 KMA TROPICAL CYCLONE ADVISORY NO. 17 NAME 1621 SARIKA ANALYSIS POSITION 171200UTC 17.5N 112.4E MOVEMENT WNW 8KT PRES/VMAX 960HPA 76KT FORECAST 24HR POSITION 181200UTC 19.5N 109.7E WITHIN 75NM PRES/VMAX 975HPA 62KT 48HR POSITION 191200UTC 21.6N 107.6E WITHIN 125NM PRES/VMAX 990HPA 47KT 72HR POSITION 201200UTC 24.1N 107.7E WITHIN 0NM PRES 1004HPA KOREA METEOROLOGICAL ADMINISTRATION.