WTJP22 RJTD 151200 WARNING 151200. WARNING VALID 161200. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1507 DOLPHIN (1507) 955 HPA AT 14.0N 144.6E MARIANAS MOVING WESTNORTHWEST 11 KNOTS. POSITION FAIR. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES NORTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 160000UTC AT 15.3N 142.3E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 161200UTC AT 16.5N 140.4E WITH 75 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 171200UTC AT 19.2N 138.5E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 181200UTC AT 22.2N 139.1E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 95 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=