WTJP23 RJTD 080000 WARNING 080000. WARNING VALID 090000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1511 NANGKA (1511) 930 HPA AT 15.4N 150.7E SOUTH OF MINAMITORISIMA MOVING WESTNORTHWEST 15 KNOTS. POSITION FAIR. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES. FORECAST POSITION FOR 081200UTC AT 16.4N 148.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 090000UTC AT 17.2N 147.0E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 95 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 100000UTC AT 18.7N 143.7E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 110000UTC AT 19.3N 141.4E WITH 160 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=