WTJP31 RJTD 070900 WARNING 070900. WARNING VALID 080900. TYPHOON WARNING. TYPHOON 1601 NEPARTAK (1601) 900 HPA AT 21.8N 123.0E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 08 KNOTS. POSITION GOOD. MAX WINDS 115 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 90 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 072100UTC AT 22.7N 121.4E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 900 HPA, MAX WINDS 115 KNOTS NEAR CENTER. FORECAST POSITION FOR 080900UTC AT 23.8N 119.8E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=