WTJP21 RJTD 290600 WARNING 290600. WARNING VALID 300600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 2527 KOTO (2527) 990 HPA AT 13.5N 112.0E SOUTH CHINA SEA MOVING WESTSOUTHWEST SLOWLY. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTHWEST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 300600UTC AT 14.5N 112.3E WITH 42 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 010600UTC AT 14.4N 111.9E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 020600UTC AT 14.2N 110.8E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 998 HPA, MAX WINDS 40 KNOTS NEAR CENTER. FORECAST POSITION FOR 030600UTC AT 13.7N 108.7E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1008 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=