WTKO20 RKSL 121800 KMA TROPICAL CYCLONE ADVISORY NO. 17 NAME 1606 CONSON ANALYSIS POSITION 121800UTC 29.3N 155.4E MOVEMENT N 14KT PRES/VMAX 992HPA 45KT FORECAST 24HR POSITION 131800UTC 34.3N 151.2E WITHIN 75NM PRES/VMAX 990HPA 47KT 48HR POSITION 141800UTC 41.1N 147.0E WITHIN 125NM PRES/VMAX 994HPA 41KT 72HR POSITION 151800UTC 49.8N 145.0E WITHIN 0NM PRES 996HPA KOREA METEOROLOGICAL ADMINISTRATION.