WTJP21 RJTD 120600 WARNING 120600. WARNING VALID 130600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1814 YAGI (1814) 990 HPA AT 26.6N 123.9E EAST CHINA SEA MOVING NORTHWEST 10 KNOTS. POSITION GOOD. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 270 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 121800UTC AT 29.0N 121.3E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 130600UTC AT 31.9N 118.2E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 998 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=