WTJP21 RJTD 060600 WARNING 060600. WARNING VALID 070600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2521 MATMO (2521) 998 HPA AT 22.1N 106.3E VIETNAM MOVING WEST 09 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS. RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 061800UTC AT 22.6N 104.4E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 070600UTC AT 23.2N 102.5E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1004 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=