WTJP21 RJTD 271800 WARNING 271800. WARNING VALID 281800. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2420 TRAMI (2420) 1002 HPA AT 16.5N 108.2E SOUTH CHINA SEA MOVING NORTHEAST SLOWLY. POSITION FAIR. MAX WINDS 35 KNOTS. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTH SEMICIRCLE AND 240 MILES ELSEWHERE. FORECAST POSITION FOR 280600UTC AT 16.5N 108.9E WITH 45 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 281800UTC AT 16.5N 109.8E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1004 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=