WTJP32 RJTD 151500 WARNING 151500. WARNING VALID 161500. TYPHOON WARNING. TYPHOON 1507 DOLPHIN (1507) 955 HPA AT 14.5N 144.0E MARIANAS MOVING WESTNORTHWEST 14 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 160300UTC AT 15.5N 142.0E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 161500UTC AT 16.8N 140.0E WITH 75 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=