WTJP21 RJTD 050600 WARNING 050600. WARNING VALID 060600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2515 PEIPAH (2515) 994 HPA AT 34.9N 139.2E SEA SOUTH OF JAPAN MOVING EASTNORTHEAST 34 KNOTS. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 051800UTC AT 35.3N 146.5E WITH 45 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS. BECOMING EXTRATROPICAL LOW. FORECAST POSITION FOR 060600UTC AT 35.5N 153.6E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=