WTKO20 RKSL 020000 KMA TROPICAL CYCLONE ADVISORY NO. 1 NAME 1703 NANMADOL ANALYSIS POSITION 020000UTC 20.6N 127.1E MOVEMENT NW 24KT PRES/VMAX 1002HPA 35KT FORECAST 24HR POSITION 030000UTC 26.4N 124.1E WITHIN 75NM PRES/VMAX 996HPA 39KT 48HR POSITION 040000UTC 32.3N 127.6E WITHIN 125NM PRES/VMAX 998HPA 37KT 72HR POSITION 050000UTC 36.4N 138.5E WITHIN 0NM PRES 1002HPA KOREA METEOROLOGICAL ADMINISTRATION.