WTJP31 RJTD 081500 WARNING 081500. WARNING VALID 091500. STORM WARNING. TROPICAL STORM 1502 HIGOS (1502) 990 HPA AT 12.2N 156.8E MARSHALLS MOVING NORTHWEST SLOWLY. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 091500UTC AT 12.8N 154.9E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=