WTJP31 RJTD 102100 WARNING 102100. WARNING VALID 112100. STORM WARNING. SEVERE TROPICAL STORM 1502 HIGOS (1502) DOWNGRADED FROM TYPHOON 980 HPA AT 16.0N 154.9E SEA AROUND OF MINAMITORISIMA MOVING NORTHNORTHEAST 08 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 NORTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 112100UTC AT 18.8N 155.3E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=