WTJP33 RJTD 090900 WARNING 090900. WARNING VALID 100900. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 935 HPA AT 17.9N 145.3E MARIANAS MOVING WESTNORTHWEST 11 KNOTS. POSITION GOOD. MAX WINDS 90 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES NORTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 092100UTC AT 18.3N 143.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 100900UTC AT 18.6N 142.4E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 95 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=