WTJP21 RJTD 191800 WARNING 191800. WARNING VALID 201800. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2604 SINLAKU (2604) 985 HPA AT 29.1N 155.7E SEA AROUND OF MINAMITORISIMA MOVING EASTNORTHEAST 22 KNOTS. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 325 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 200600UTC AT 29.4N 160.2E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. FORECAST POSITION FOR 201800UTC AT 28.8N 164.5E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=