WTJP22 RJTD 180600 WARNING 180600. WARNING VALID 190600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1608 DIANMU (1608) 985 HPA AT 20.8N 110.3E SOUTH CHINA SEA MOVING WEST 07 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES. FORECAST POSITION FOR 190600UTC AT 20.4N 106.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 45 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 200600UTC AT 21.8N 100.0E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=