WTJP21 RJTD 141200 WARNING 141200. WARNING VALID 151200. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1712 BANYAN (1712) 970 HPA AT 24.1N 163.3E SEA AROUND OF WAKE MOVING NORTH 09 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 30 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES EAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 150000UTC AT 25.9N 162.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 151200UTC AT 28.1N 161.7E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 161200UTC AT 34.4N 165.7E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 171200UTC AT 42.2N 176.6E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=