WTKO20 RKSL 311800 KMA TROPICAL CYCLONE ADVISORY NO. 16 NAME 1821 JEBI ANALYSIS POSITION 311800UTC 19.1N 140.3E MOVEMENT WNW 12KT PRES/VMAX 920HPA 103KT FORECAST 24HR POSITION 011800UTC 22.6N 137.0E WITHIN 60NM PRES/VMAX 910HPA 109KT 48HR POSITION 021800UTC 26.0N 134.7E WITHIN 90NM PRES/VMAX 920HPA 103KT 72HR POSITION 031800UTC 30.0N 134.3E WITHIN 135NM PRES/VMAX 935HPA 95KT 96HR POSITION 041800UTC 37.6N 137.4E WITHIN 180NM PRES/VMAX 955HPA 78KT 120HR POSITION 051800UTC 47.7N 142.1E WITHIN 0NM PRES/VMAX 985HPA 52KT KOREA METEOROLOGICAL ADMINISTRATION.