WTJP22 RJTD 181800 WARNING 181800. WARNING VALID 191800. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 2518 RAGASA (2518) 998 HPA AT 16.1N 132.3E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 06 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 180 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 191800UTC AT 16.5N 130.9E WITH 42 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 992 HPA, MAX WINDS 50 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 201800UTC AT 18.1N 129.4E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 211800UTC AT 19.4N 126.2E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 221800UTC AT 20.0N 121.4E WITH 125 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 231800UTC AT 20.8N 116.4E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=