WTKO20 RKSL 250900 KMA TROPICAL CYCLONE ADVISORY NO. 48 NAME 1515 GONI ANALYSIS POSITION 250900UTC 36.6N 131.4E MOVEMENT NNE 15KT PRES/VMAX 975HPA 62KT FORECAST 06HR POSITION 251500UTC 38.0N 131.8E WITHIN 15NM PRES/VMAX 980HPA 56KT 12HR POSITION 252100UTC 39.3N 132.2E WITHIN 30NM PRES/VMAX 985HPA 52KT 18HR POSITION 260300UTC 40.6N 132.4E WITHIN 50NM PRES/VMAX 990HPA 47KT 24HR POSITION 260900UTC 41.8N 132.3E WITHIN 75NM PRES/VMAX 994HPA 41KT 30HR POSITION 261500UTC 42.7N 131.8E WITHIN 0NM PRES 996HPA KOREA METEOROLOGICAL ADMINISTRATION.