WTJP21 RJTD 200600 WARNING 200600. WARNING VALID 210600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2316 SANBA (2316) 1006 HPA AT 20.9N 109.7E SOUTH CHINA MOVING SOUTH SLOWLY. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 201800UTC AT 20.1N 109.2E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1012 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 210600UTC AT 18.7N 108.3E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1014 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=