WTJP33 RJTD 160900 WARNING 160900. WARNING VALID 170900. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 960 HPA AT 32.5N 134.5E SEA SOUTH OF JAPAN MOVING NORTH 10 KNOTS. POSITION GOOD. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 100 MILES SOUTHEAST SEMICIRCLE AND 80 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 350 MILES SOUTHEAST SEMICIRCLE AND 240 MILES ELSEWHERE. FORECAST POSITION FOR 162100UTC AT 34.6N 133.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 170900UTC AT 36.2N 133.5E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=