WTJP21 RJTD 111800 WARNING 111800. WARNING VALID 121800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1614 MERANTI (1614) 940 HPA AT 17.5N 131.8E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 14 KNOTS. POSITION FAIR. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 120600UTC AT 18.2N 129.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 121800UTC AT 19.1N 126.6E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 131800UTC AT 20.6N 122.1E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 141800UTC AT 22.8N 118.5E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=