WTJP23 RJTD 160000 WARNING 160000. WARNING VALID 170000. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1816 BEBINCA (1816) 990 HPA AT 20.4N 108.3E GULF OF TONGKING MOVING WEST 10 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 120 MILES SOUTH SEMICIRCLE AND 60 MILES ELSEWHERE. FORECAST POSITION FOR 170000UTC AT 19.9N 105.9E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 180000UTC AT 19.2N 102.8E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=