WTJP32 RJTD 070900 WARNING 070900. WARNING VALID 080900. STORM WARNING. SEVERE TROPICAL STORM 1510 LINFA (1510) 980 HPA AT 20.7N 118.6E SOUTH CHINA SEA MOVING NORTHNORTHWEST SLOWLY. POSITION GOOD. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHWEST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 080900UTC AT 22.2N 118.3E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=