WTJP32 RJTD 160300 WARNING 160300. WARNING VALID 170300. TYPHOON WARNING. TYPHOON 1507 DOLPHIN (1507) 945 HPA AT 15.5N 142.0E MARIANAS MOVING WESTNORTHWEST 11 KNOTS. POSITION GOOD. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 161500UTC AT 17.0N 140.1E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 170300UTC AT 18.4N 139.0E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 95 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=