WTJP33 RJTD 170900 WARNING 170900. WARNING VALID 180900. TYPHOON WARNING. TYPHOON 2407 AMPIL (2407) 965 HPA AT 37.4N 146.1E SEA EAST OF JAPAN MOVING EASTNORTHEAST 12 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES SOUTHEAST SEMICIRCLE AND 50 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 172100UTC AT 38.9N 151.0E WITH 25 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 180900UTC AT 40.6N 156.4E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=