WTKO20 RKSL 080000 KMA TROPICAL CYCLONE ADVISORY NO. 21 NAME 1601 NEPARTAK ANALYSIS POSITION 080000UTC 22.6N 120.6E MOVEMENT W 11KT PRES/VMAX 940HPA 91KT FORECAST 12HR POSITION 081200UTC 23.4N 119.7E WITHIN 30NM PRES/VMAX 960HPA 76KT 24HR POSITION 090000UTC 24.5N 118.8E WITHIN 75NM PRES/VMAX 980HPA 56KT 36HR POSITION 091200UTC 25.8N 118.1E WITHIN 100NM PRES/VMAX 990HPA 47KT 48HR POSITION 100000UTC 27.6N 117.9E WITHIN 125NM PRES/VMAX 992HPA 45KT 60HR POSITION 101200UTC 29.1N 118.4E WITHIN 150NM PRES/VMAX 994HPA 41KT KOREA METEOROLOGICAL ADMINISTRATION.