WTJP21 RJTD 081200 WARNING 081200. WARNING VALID 091200. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1502 HIGOS (1502) 990 HPA AT 12.3N 156.9E 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 091200UTC AT 13.0N 155.2E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 101200UTC AT 14.6N 153.3E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 111200UTC AT 16.8N 151.7E WITH 160 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=