WTJP33 RJTD 082100 WARNING 082100. WARNING VALID 092100. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 935 HPA AT 16.7N 147.3E MARIANAS MOVING WEST 12 KNOTS. POSITION GOOD. MAX WINDS 90 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES SOUTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 090900UTC AT 17.7N 145.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 092100UTC AT 18.3N 143.9E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=