WTJP34 RJTD 300300 WARNING 300300. WARNING VALID 310300. STORM WARNING. SEVERE TROPICAL STORM 1709 NESAT (1709) 985 HPA AT 25.8N 118.4E SOUTH CHINA MOVING WESTNORTHWEST 13 KNOTS. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES SOUTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 301500UTC AT 25.9N 117.9E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 310300UTC AT 26.8N 118.1E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=