WTKO20 RKSL 191800 KMA TROPICAL CYCLONE ADVISORY NO. 20 NAME 1622 HAIMA ANALYSIS POSITION 191800UTC 17.7N 121.7E MOVEMENT WNW 16KT PRES/VMAX 935HPA 95KT FORECAST 24HR POSITION 201800UTC 20.5N 116.1E WITHIN 75NM PRES/VMAX 965HPA 72KT 48HR POSITION 211800UTC 25.0N 114.0E WITHIN 125NM PRES/VMAX 980HPA 56KT 72HR POSITION 221800UTC 28.7N 118.1E WITHIN 0NM PRES 1000HPA KOREA METEOROLOGICAL ADMINISTRATION.