WTJP21 RJTD 100600 WARNING 100600. WARNING VALID 110600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2604 SINLAKU (2604) 990 HPA AT 08.0N 150.7E TRUKS ALMOST STATIONARY. POSITION GOOD. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 110600UTC AT 08.8N 150.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 120600UTC AT 10.2N 148.3E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 130600UTC AT 11.9N 145.3E WITH 120 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 140600UTC AT 13.7N 142.7E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 150600UTC AT 15.3N 141.2E WITH 180 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=