WTJP32 RJTD 162100 WARNING 162100. WARNING VALID 172100. TYPHOON WARNING. TYPHOON 1507 DOLPHIN (1507) 925 HPA AT 17.6N 139.5E SEA EAST OF PHILIPPINES MOVING NORTHWEST 10 KNOTS. POSITION GOOD. MAX WINDS 100 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 170900UTC AT 19.1N 138.9E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 915 HPA, MAX WINDS 105 KNOTS NEAR CENTER. FORECAST POSITION FOR 172100UTC AT 20.5N 138.8E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 915 HPA, MAX WINDS 105 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=