WTJP21 RJTD 020600 WARNING 020600. WARNING VALID 030600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2521 MATMO (2521) 1000 HPA AT 15.2N 126.4E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 12 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 021800UTC AT 16.1N 124.2E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 030600UTC AT 17.2N 121.8E WITH 42 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 040600UTC AT 18.5N 115.7E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 050600UTC AT 20.5N 110.8E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 060600UTC AT 22.5N 106.2E WITH 125 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 992 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 070600UTC AT 22.3N 102.9E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1008 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=