WTKO20 RKSL 020000 KMA TROPICAL CYCLONE ADVISORY NO. 11 NAME 1604 NIDA ANALYSIS POSITION 020000UTC 22.7N 113.3E MOVEMENT WNW 15KT PRES/VMAX 980HPA 56KT FORECAST 24HR POSITION 030000UTC 24.7N 108.5E WITHIN 75NM PRES/VMAX 996HPA 39KT 48HR POSITION 040000UTC 24.8N 104.8E WITHIN 0NM PRES 1004HPA KOREA METEOROLOGICAL ADMINISTRATION.