WTJP31 RJTD 120300 WARNING 120300. WARNING VALID 130300. TYPHOON WARNING. TYPHOON 1614 MERANTI (1614) 930 HPA AT 18.0N 129.9E SEA EAST OF PHILIPPINES MOVING WEST 12 KNOTS. POSITION GOOD. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES. FORECAST POSITION FOR 121500UTC AT 18.6N 127.0E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 130300UTC AT 19.4N 124.4E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 915 HPA, MAX WINDS 105 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=