WTJP21 RJTD 260000 WARNING 260000. WARNING VALID 270000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1521 DUJUAN (1521) 960 HPA AT 20.9N 130.4E SEA SOUTH OF JAPAN MOVING NORTHWEST 07 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES. FORECAST POSITION FOR 270000UTC AT 22.4N 127.9E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 280000UTC AT 23.5N 124.5E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 290000UTC AT 24.8N 120.1E WITH 210 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 70 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=