WTJP22 RJTD 190600 WARNING 190600. WARNING VALID 200600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1608 DIANMU (1608) 985 HPA AT 20.7N 106.5E VIETNAM MOVING WESTNORTHWEST 07 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES. FORECAST POSITION FOR 191800UTC AT 21.5N 103.5E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 200600UTC AT 21.1N 099.6E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=