WTJP21 RJTD 261200 WARNING 261200. WARNING VALID 271200. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 2520 BUALOI (2520) 980 HPA AT 12.9N 119.8E SOUTH CHINA SEA MOVING WEST 16 KNOTS. POSITION FAIR. MAX WINDS 60 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 30 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHWEST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 270000UTC AT 14.8N 115.6E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 271200UTC AT 15.4N 112.0E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 281200UTC AT 17.6N 107.5E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 291200UTC AT 19.2N 100.8E WITH 120 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 998 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=