WTJP31 RJTD 110300 WARNING 110300. WARNING VALID 120300. STORM WARNING. SEVERE TROPICAL STORM 1502 HIGOS (1502) 990 HPA AT 16.4N 154.5E SEA AROUND OF MINAMITORISIMA MOVING NORTHNORTHEAST 07 KNOTS. POSITION POOR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 120300UTC AT 18.6N 154.6E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=