WTJP33 RJTD 100900 WARNING 100900. WARNING VALID 110900. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 925 HPA AT 18.3N 141.6E MARIANAS MOVING WEST 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 180 MILES ELSEWHERE. FORECAST POSITION FOR 102100UTC AT 18.5N 140.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 110900UTC AT 18.7N 139.7E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=