WTJP21 RJTD 100000 WARNING 100000. WARNING VALID 110000. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2604 SINLAKU (2604) 990 HPA AT 08.3N 149.9E CAROLINES MOVING WEST 07 KNOTS. POSITION GOOD. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES NORTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 110000UTC AT 08.9N 149.4E WITH 42 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 120000UTC AT 09.6N 148.8E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 130000UTC AT 11.1N 146.2E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 140000UTC AT 13.0N 143.6E WITH 125 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 150000UTC AT 14.6N 141.8E WITH 180 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=