WTJP22 RJTD 111800 WARNING 111800. WARNING VALID 121800. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1507 DOLPHIN (1507) 990 HPA AT 10.0N 158.5E MARSHALLS MOVING WEST 07 KNOTS. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 180 MILES WEST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 121800UTC AT 10.1N 155.4E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 131800UTC AT 10.2N 150.6E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 141800UTC AT 11.1N 145.4E WITH 210 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=