WTKO20 RKSL 040000 KMA TROPICAL CYCLONE ADVISORY NO. 29 NAME 1821 JEBI ANALYSIS POSITION 040000UTC 32.3N 133.9E MOVEMENT NNE 23KT PRES/VMAX 960HPA 76KT FORECAST 24HR POSITION 050000UTC 46.3N 138.9E WITHIN 0NM PRES/VMAX 975HPA 62KT KOREA METEOROLOGICAL ADMINISTRATION.