WTKO20 RKSL 231800 KMA TROPICAL CYCLONE ADVISORY NO. 1 NAME 1602 LUPIT ANALYSIS POSITION 231800UTC 28.5N 156.8E MOVEMENT ENE 19KT PRES/VMAX 1000HPA 35KT FORECAST 24HR POSITION 241800UTC 37.6N 158.5E WITHIN 75NM PRES/VMAX 1000HPA 35KT 48HR POSITION 251800UTC 45.3N 154.1E WITHIN 0NM PRES 1008HPA KOREA METEOROLOGICAL ADMINISTRATION.