WTJP32 RJTD 130300 WARNING 130300. WARNING VALID 140300. TYPHOON WARNING. SEVERE TROPICAL STORM 1507 DOLPHIN (1507) 980 HPA AT 10.1N 155.7E MARSHALLS MOVING WEST 09 KNOTS. POSITION FAIR. MAX WINDS 60 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 140300UTC AT 10.8N 151.9E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=