WTKO20 RKSL 061200 KMA TROPICAL CYCLONE ADVISORY NO. 15 NAME 1813 SHANSHAN ANALYSIS POSITION 061200UTC 28.5N 145.7E MOVEMENT NNW 11KT PRES/VMAX 965HPA 72KT FORECAST 24HR POSITION 071200UTC 31.7N 142.8E WITHIN 60NM PRES/VMAX 960HPA 76KT 48HR POSITION 081200UTC 33.8N 140.1E WITHIN 90NM PRES/VMAX 975HPA 62KT 72HR POSITION 091200UTC 37.1N 141.6E WITHIN 135NM PRES/VMAX 985HPA 52KT 96HR POSITION 101200UTC 40.6N 148.6E WITHIN 180NM PRES/VMAX 992HPA 45KT 120HR POSITION 111200UTC 43.7N 159.6E WITHIN 0NM PRES/VMAX 994HPA 41KT KOREA METEOROLOGICAL ADMINISTRATION.