WTJP21 RJTD 140000 WARNING 140000. WARNING VALID 150000. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1503 BAVI (1503) 992 HPA AT 11.6N 154.9E TRUKS MOVING WESTNORTHWEST 18 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHWEST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 141200UTC AT 12.9N 151.4E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 150000UTC AT 13.0N 148.3E WITH 75 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 160000UTC AT 12.8N 141.7E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 170000UTC AT 13.3N 135.9E WITH 210 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=