WTKO20 RKSL 160600 KMA TROPICAL CYCLONE ADVISORY NO. 5 NAME 1818 RUMBIA ANALYSIS POSITION 160600UTC 30.0N 124.3E MOVEMENT WNW 4KT PRES/VMAX 996HPA 39KT FORECAST 24HR POSITION 170600UTC 31.1N 118.0E WITHIN 0NM PRES/VMAX 998HPA 31KT KOREA METEOROLOGICAL ADMINISTRATION.