WTJP21 RJTD 241200 WARNING 241200. WARNING VALID 251200. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2420 TRAMI (2420) DOWNGRADED FROM SEVERE TROPICAL STORM 985 HPA AT 17.2N 119.8E SOUTH CHINA SEA MOVING WEST 07 KNOTS. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 300 MILES. FORECAST POSITION FOR 250000UTC AT 17.6N 118.3E WITH 45 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 251200UTC AT 17.6N 116.3E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 261200UTC AT 17.3N 111.7E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 271200UTC AT 16.6N 109.7E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 281200UTC AT 15.8N 110.3E WITH 125 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 291200UTC AT 16.4N 113.2E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=