WTJP21 RJTD 100600 WARNING 100600. WARNING VALID 110600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 1408 NEOGURI (1408) 985 HPA AT 33.0N 134.3E SEA SOUTH OF JAPAN MOVING EASTNORTHEAST 24 KNOTS. POSITION GOOD. MAX WINDS 50 KNOTS. RADIUS OF OVER 30 KNOT WINDS 325 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 101800UTC AT 35.0N 138.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. FORECAST POSITION FOR 110600UTC AT 38.1N 143.7E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=