WTJP31 RJTD 072100 WARNING 072100. WARNING VALID 082100. TYPHOON WARNING. TYPHOON 1601 NEPARTAK (1601) 935 HPA AT 22.4N 121.3E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 09 KNOTS. POSITION GOOD. MAX WINDS 90 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 080900UTC AT 23.4N 120.1E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 082100UTC AT 24.3N 119.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=