WTJP21 RJTD 300000 WARNING 300000. WARNING VALID 310000. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2508 CO-MAY (2508) 980 HPA AT 30.1N 122.4E EAST CHINA SEA MOVING NORTHWEST 10 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 301200UTC AT 31.2N 121.5E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 310000UTC AT 32.1N 120.1E WITH 42 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 35 KNOTS. EXTENDED OUTLOOK. FORECAST POSITION FOR 010000UTC AT 32.6N 118.6E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 992 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=