WTJP21 RJTD 270600 WARNING 270600. WARNING VALID 280600. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2520 BUALOI (2520) UPGRADED FROM SEVERE TROPICAL STORM 975 HPA AT 14.7N 114.0E SOUTH CHINA SEA MOVING WESTNORTHWEST 20 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 271800UTC AT 16.0N 110.7E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 280600UTC AT 17.3N 108.8E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 75 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 290600UTC AT 19.9N 104.0E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS. FORECAST POSITION FOR 300600UTC AT 21.1N 100.2E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=