WTJP21 RJTD 201800 WARNING 201800. WARNING VALID 211800. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1713 HATO (1713) 996 HPA AT 20.1N 125.0E SEA SOUTH OF OKINAWA MOVING WEST 12 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTHWEST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 210600UTC AT 20.4N 123.5E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 211800UTC AT 20.8N 121.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 221800UTC AT 22.3N 116.5E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 231800UTC AT 24.3N 110.0E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=