WTKO20 RKSL 290000 KMA TROPICAL CYCLONE ADVISORY NO. 5 NAME 1821 JEBI ANALYSIS POSITION 290000UTC 17.0N 153.5E MOVEMENT WNW 9KT PRES/VMAX 985HPA 52KT FORECAST 24HR POSITION 300000UTC 17.7N 149.4E WITHIN 60NM PRES/VMAX 975HPA 62KT 48HR POSITION 310000UTC 18.4N 145.0E WITHIN 90NM PRES/VMAX 965HPA 72KT 72HR POSITION 010000UTC 20.3N 141.1E WITHIN 135NM PRES/VMAX 955HPA 78KT 96HR POSITION 020000UTC 22.8N 137.6E WITHIN 180NM PRES/VMAX 950HPA 84KT 120HR POSITION 030000UTC 25.7N 136.1E WITHIN 245NM PRES/VMAX 950HPA 84KT KOREA METEOROLOGICAL ADMINISTRATION.