WTKO20 RKSL 010000 KMA TROPICAL CYCLONE ADVISORY NO. 17 NAME 1821 JEBI ANALYSIS POSITION 010000UTC 19.6N 139.2E MOVEMENT WNW 11KT PRES/VMAX 910HPA 109KT FORECAST 24HR POSITION 020000UTC 23.0N 136.0E WITHIN 60NM PRES/VMAX 915HPA 107KT 48HR POSITION 030000UTC 26.6N 133.8E WITHIN 90NM PRES/VMAX 925HPA 99KT 72HR POSITION 040000UTC 31.9N 134.8E WITHIN 135NM PRES/VMAX 940HPA 91KT 96HR POSITION 050000UTC 40.2N 139.0E WITHIN 180NM PRES/VMAX 965HPA 72KT 120HR POSITION 060000UTC 50.5N 142.2E WITHIN 0NM PRES/VMAX 985HPA 52KT KOREA METEOROLOGICAL ADMINISTRATION.