WTJP21 RJTD 281200 WARNING 281200. WARNING VALID 291200. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2508 CO-MAY (2508) 990 HPA AT 26.6N 126.6E EAST CHINA SEA MOVING WESTNORTHWEST 07 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS. RADIUS OF OVER 30 KNOT WINDS 240 MILES NORTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 290000UTC AT 27.6N 124.3E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 291200UTC AT 28.3N 123.4E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. EXTENDED OUTLOOK. FORECAST POSITION FOR 301200UTC AT 30.9N 121.4E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 311200UTC AT 32.8N 119.5E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 011200UTC AT 33.3N 119.7E WITH 175 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 021200UTC AT 33.7N 120.3E WITH 215 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=