WTJP21 RJTD 060000 WARNING 060000. WARNING VALID 070000. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2503 MUN (2503) 992 HPA AT 32.1N 149.2E SEA EAST OF JAPAN MOVING NORTHEAST 07 KNOTS. POSITION GOOD. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES SOUTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 070000UTC AT 35.0N 149.0E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 080000UTC AT 39.3N 148.8E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1004 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=