WTKO20 RKSL 081800 KMA TROPICAL CYCLONE ADVISORY NO. 24 NAME 1601 NEPARTAK ANALYSIS POSITION 081800UTC 24.1N 119.1E MOVEMENT NW 4KT PRES/VMAX 980HPA 56KT FORECAST 12HR POSITION 090600UTC 24.9N 118.5E WITHIN 30NM PRES/VMAX 990HPA 47KT 24HR POSITION 091800UTC 26.2N 118.1E WITHIN 75NM PRES/VMAX 992HPA 45KT 36HR POSITION 100600UTC 27.2N 118.0E WITHIN 100NM PRES/VMAX 996HPA 39KT 48HR POSITION 101800UTC 28.5N 118.1E WITHIN 0NM PRES 998HPA KOREA METEOROLOGICAL ADMINISTRATION.