WTJP33 RJTD 130900 WARNING 130900. WARNING VALID 140900. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 950 HPA AT 21.0N 136.9E SEA SOUTH OF JAPAN MOVING NORTH 10 KNOTS. POSITION GOOD. MAX WINDS 80 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 90 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES EAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 132100UTC AT 22.4N 136.9E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 140900UTC AT 24.0N 136.7E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=