WTKO20 RKSL 040600 KMA TROPICAL CYCLONE ADVISORY NO. 6 NAME 1601 NEPARTAK ANALYSIS POSITION 040600UTC 12.7N 141.5E MOVEMENT WNW 20KT PRES/VMAX 990HPA 47KT FORECAST 24HR POSITION 050600UTC 16.2N 135.9E WITHIN 75NM PRES/VMAX 980HPA 56KT 48HR POSITION 060600UTC 19.6N 130.4E WITHIN 125NM PRES/VMAX 960HPA 76KT 72HR POSITION 070600UTC 23.2N 124.6E WITHIN 175NM PRES/VMAX 940HPA 91KT 96HR POSITION 080600UTC 25.6N 121.3E WITHIN 250NM PRES/VMAX 955HPA 78KT 120HR POSITION 090600UTC 29.0N 120.5E WITHIN 295NM PRES/VMAX 970HPA 68KT KOREA METEOROLOGICAL ADMINISTRATION.