WTJP21 RJTD 260600 WARNING 260600. WARNING VALID 270600. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. SEVERE TROPICAL STORM 2520 BUALOI (2520) 985 HPA AT 12.6N 120.5E SOUTH CHINA SEA MOVING WEST 24 KNOTS. POSITION FAIR. MAX WINDS 55 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 261800UTC AT 14.2N 117.7E WITH 45 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 270600UTC AT 15.2N 114.0E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 280600UTC AT 17.1N 109.1E WITH 115 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 290600UTC AT 19.2N 103.8E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 40 KNOTS. FORECAST POSITION FOR 300600UTC AT 20.0N 101.5E WITH 175 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=