WTJP21 RJTD 241200 WARNING 241200. WARNING VALID 251200. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2607 MEKKHALA (2607) 975 HPA AT 22.0N 124.8E SEA SOUTH OF OKINAWA MOVING NORTH 06 KNOTS. POSITION GOOD. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES EAST SEMICIRCLE AND 40 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 251200UTC AT 25.3N 126.1E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 261200UTC AT 29.6N 130.5E WITH 115 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 271200UTC AT 35.3N 141.2E WITH 160 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 281200UTC AT 40.8N 158.6E WITH 200 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=