WTJP22 RJTD 061200 WARNING 061200. WARNING VALID 071200. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1510 LINFA (1510) 992 HPA AT 19.4N 119.2E BASHI CHANNEL MOVING NORTH SLOWLY. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES SOUTH SEMICIRCLE AND 160 MILES ELSEWHERE. FORECAST POSITION FOR 071200UTC AT 20.9N 119.6E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 081200UTC AT 22.7N 119.5E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 091200UTC AT 23.4N 118.9E WITH 180 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=