WTJP24 RJTD 280000 WARNING 280000. WARNING VALID 290000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. SEVERE TROPICAL STORM 1709 NESAT (1709) 985 HPA AT 20.0N 125.8E SEA SOUTH OF OKINAWA MOVING NORTHWEST 09 KNOTS. POSITION FAIR. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 30 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 281200UTC AT 21.1N 124.4E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 290000UTC AT 22.1N 122.8E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 300000UTC AT 24.4N 119.5E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 310000UTC AT 26.2N 118.1E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=