WTJP21 RJTD 270000 WARNING 270000. WARNING VALID 280000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1521 DUJUAN (1521) 925 HPA AT 22.3N 127.5E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 07 KNOTS. POSITION GOOD. MAX WINDS 100 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 100 MILES. RADIUS OF OVER 30 KNOT WINDS 250 MILES. FORECAST POSITION FOR 271200UTC AT 22.7N 126.0E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 280000UTC AT 23.5N 124.0E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 290000UTC AT 24.8N 119.4E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 300000UTC AT 27.5N 115.6E WITH 210 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=