WTJP31 RJTD 061500 WARNING 061500. WARNING VALID 071500. TYPHOON WARNING. TYPHOON 1601 NEPARTAK (1601) 900 HPA AT 20.4N 126.2E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 15 KNOTS. POSITION GOOD. MAX WINDS 115 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 90 MILES. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHEAST SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 070300UTC AT 21.5N 124.0E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 890 HPA, MAX WINDS 120 KNOTS NEAR CENTER. FORECAST POSITION FOR 071500UTC AT 22.5N 122.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 910 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=