WTKO20 RKSL 211800 KMA TROPICAL CYCLONE ADVISORY NO. 28 NAME 1622 HAIMA ANALYSIS POSITION 211800UTC 25.3N 115.2E MOVEMENT NNE 13KT PRES/VMAX 996HPA 35KT FORECAST 12HR POSITION 220600UTC 28.5N 117.8E WITHIN 0NM PRES 1002HPA KOREA METEOROLOGICAL ADMINISTRATION.