WTJP31 RJTD 261500 WARNING 261500. WARNING VALID 271500. TYPHOON WARNING. TYPHOON 1521 DUJUAN (1521) 955 HPA AT 22.1N 128.5E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 08 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES. FORECAST POSITION FOR 270300UTC AT 22.6N 127.1E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 271500UTC AT 23.1N 125.5E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 85 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=