WTJP31 RJTD 090300 WARNING 090300. WARNING VALID 100300. TYPHOON WARNING. SEVERE TROPICAL STORM 1502 HIGOS (1502) 985 HPA AT 12.2N 156.3E MARSHALLS MOVING WEST SLOWLY. POSITION FAIR. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 100300UTC AT 13.3N 154.3E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=