WTKO20 RKSL 251800 KMA TROPICAL CYCLONE ADVISORY NO. 3 NAME 1803 JELAWAT ANALYSIS POSITION 251800UTC 7.6N 138.3E MOVEMENT NW 9KT PRES/VMAX 998HPA 37KT FORECAST 24HR POSITION 261800UTC 9.2N 135.3E WITHIN 75NM PRES/VMAX 990HPA 47KT 48HR POSITION 271800UTC 12.0N 133.8E WITHIN 125NM PRES/VMAX 985HPA 52KT 72HR POSITION 281800UTC 15.5N 134.3E WITHIN 175NM PRES/VMAX 980HPA 56KT 96HR POSITION 291800UTC 18.1N 136.5E WITHIN 250NM PRES/VMAX 985HPA 52KT 120HR POSITION 301800UTC 20.5N 139.3E WITHIN 295NM PRES/VMAX 990HPA 47KT KOREA METEOROLOGICAL ADMINISTRATION.