WTJP21 RJTD 281200 WARNING 281200. WARNING VALID 291200. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2520 BUALOI (2520) 975 HPA AT 17.6N 107.2E GULF OF TONGKING MOVING NORTHWEST 10 KNOTS. POSITION GOOD. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 270 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 290000UTC AT 19.0N 105.0E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 291200UTC AT 20.2N 102.1E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=