WTKO20 RKSL 251800 KMA TROPICAL CYCLONE ADVISORY NO. 4 NAME 1625 TOKAGE ANALYSIS POSITION 251800UTC 12.3N 120.3E MOVEMENT N 4KT PRES/VMAX 996HPA 39KT FORECAST 24HR POSITION 261800UTC 15.0N 117.9E WITHIN 75NM PRES/VMAX 992HPA 45KT 48HR POSITION 271800UTC 17.4N 117.9E WITHIN 125NM PRES/VMAX 994HPA 41KT 72HR POSITION 281800UTC 15.6N 114.0E WITHIN 0NM PRES 1000HPA KOREA METEOROLOGICAL ADMINISTRATION.