WTKO20 RKSL 291800 KMA TROPICAL CYCLONE ADVISORY NO. 8 NAME 1821 JEBI ANALYSIS POSITION 291800UTC 17.4N 150.6E MOVEMENT W 9KT PRES/VMAX 965HPA 72KT FORECAST 24HR POSITION 301800UTC 17.9N 145.9E WITHIN 60NM PRES/VMAX 950HPA 84KT 48HR POSITION 311800UTC 19.5N 141.4E WITHIN 90NM PRES/VMAX 940HPA 91KT 72HR POSITION 011800UTC 22.5N 137.5E WITHIN 135NM PRES/VMAX 935HPA 95KT 96HR POSITION 021800UTC 25.3N 135.6E WITHIN 180NM PRES/VMAX 945HPA 87KT 120HR POSITION 031800UTC 28.7N 134.9E WITHIN 245NM PRES/VMAX 955HPA 78KT KOREA METEOROLOGICAL ADMINISTRATION.