WTKO20 RKSL 261800 KMA TROPICAL CYCLONE ADVISORY NO. 3 NAME 1603 MIRINAE ANALYSIS POSITION 261800UTC 19.0N 109.9E MOVEMENT WNW 10KT PRES/VMAX 998HPA 37KT FORECAST 24HR POSITION 271800UTC 20.6N 106.6E WITHIN 75NM PRES/VMAX 994HPA 41KT 48HR POSITION 281800UTC 22.8N 104.6E WITHIN 0NM PRES 1004HPA KOREA METEOROLOGICAL ADMINISTRATION.