WTJP31 RJTD 100900 WARNING 100900. WARNING VALID 110900. STORM WARNING. SEVERE TROPICAL STORM 1408 NEOGURI (1408) 985 HPA AT 33.5N 135.3E SEA SOUTH OF JAPAN MOVING EASTNORTHEAST 22 KNOTS. POSITION GOOD. MAX WINDS 50 KNOTS. RADIUS OF OVER 30 KNOT WINDS 325 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 102100UTC AT 35.7N 140.0E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. FORECAST POSITION FOR 110900UTC AT 39.6N 144.7E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=