WTJP31 RJTD 131500 WARNING 131500. WARNING VALID 141500. TYPHOON WARNING. TYPHOON 1614 MERANTI (1614) 890 HPA AT 20.7N 122.3E SEA SOUTH OF OKINAWA MOVING WESTNORTHWEST 13 KNOTS. POSITION GOOD. MAX WINDS 120 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 140300UTC AT 21.8N 120.2E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 900 HPA, MAX WINDS 115 KNOTS NEAR CENTER. FORECAST POSITION FOR 141500UTC AT 23.1N 118.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=