WTKO20 RKSL 290600 KMA TROPICAL CYCLONE ADVISORY NO. 17 NAME 1803 JELAWAT ANALYSIS POSITION 290600UTC 15.5N 135.6E MOVEMENT E 4KT PRES/VMAX 985HPA 52KT FORECAST 24HR POSITION 300600UTC 16.6N 137.0E WITHIN 75NM PRES/VMAX 980HPA 56KT 48HR POSITION 310600UTC 18.0N 139.8E WITHIN 125NM PRES/VMAX 985HPA 52KT 72HR POSITION 010600UTC 18.7N 140.8E WITHIN 175NM PRES/VMAX 990HPA 47KT 96HR POSITION 020600UTC 19.1N 142.0E WITHIN 250NM PRES/VMAX 994HPA 41KT 120HR POSITION 030600UTC 19.2N 143.7E WITHIN 295NM PRES/VMAX 1002HPA 35KT KOREA METEOROLOGICAL ADMINISTRATION.