WTJP23 RJTD 250600 WARNING 250600. WARNING VALID 260600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1708 SONCA (1708) 994 HPA AT 17.1N 107.7E GULF OF TONGKING MOVING WEST 09 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 60 MILES. FORECAST POSITION FOR 251800UTC AT 17.2N 105.5E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 260600UTC AT 17.2N 103.0E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=