WTKO20 RKSL 130000 KMA TROPICAL CYCLONE ADVISORY NO. 20 NAME 1814 YAGI ANALYSIS POSITION 130000UTC 30.7N 119.7E MOVEMENT NW 24KT PRES/VMAX 996HPA 35KT FORECAST 24HR POSITION 140000UTC 35.1N 115.3E WITHIN 0NM PRES/VMAX 998HPA 29KT KOREA METEOROLOGICAL ADMINISTRATION.