WTJP21 RJTD 251800 WARNING 251800. WARNING VALID 261800. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2508 CO-MAY (2508) 992 HPA AT 23.5N 124.5E SEA SOUTH OF OKINAWA MOVING NORTHNORTHEAST 22 KNOTS. POSITION GOOD. MAX WINDS 40 KNOTS. RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTHEAST SEMICIRCLE AND 60 MILES ELSEWHERE. FORECAST POSITION FOR 260600UTC AT 26.4N 125.5E WITH 45 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 261800UTC AT 26.9N 126.2E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=