WTKO20 RKSL 161800 KMA TROPICAL CYCLONE ADVISORY NO. 7 NAME 1704 TALAS ANALYSIS POSITION 161800UTC 18.7N 105.8E MOVEMENT W 13KT PRES/VMAX 990HPA 47KT FORECAST 24HR POSITION 171800UTC 19.9N 100.3E WITHIN 0NM PRES 998HPA KOREA METEOROLOGICAL ADMINISTRATION.