WTJP31 RJTD 081500 WARNING 081500. WARNING VALID 091500. TYPHOON WARNING. TYPHOON 1601 NEPARTAK (1601) 970 HPA AT 23.7N 119.5E TAIWAN STRAIT MOVING NORTHWEST 07 KNOTS. POSITION FAIR. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 091500UTC AT 25.5N 117.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. JAPAN METEOROLOGICAL AGENCY.=