WTJP21 RJTD 291200 WARNING 291200. WARNING VALID 301200. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2508 CO-MAY (2508) 990 HPA AT 28.6N 123.6E EAST CHINA SEA MOVING NORTHWEST 08 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 300000UTC AT 30.1N 123.0E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 301200UTC AT 31.5N 121.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 40 KNOTS. EXTENDED OUTLOOK. FORECAST POSITION FOR 311200UTC AT 32.9N 118.9E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 011200UTC AT 33.8N 119.3E WITH 120 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=