WTJP32 RJTD 171500 WARNING 171500. WARNING VALID 181500. TYPHOON WARNING. TYPHOON 1507 DOLPHIN (1507) 925 HPA AT 19.7N 138.5E SEA EAST OF PHILIPPINES MOVING NORTH 08 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 180300UTC AT 21.0N 138.4E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 181500UTC AT 22.4N 138.9E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=