WTJP31 RJTD 122100 WARNING 122100. WARNING VALID 132100. TYPHOON WARNING. TYPHOON 1712 BANYAN (1712) 975 HPA AT 20.7N 164.3E SEA AROUND OF WAKE MOVING NORTHNORTHWEST 06 KNOTS. POSITION GOOD. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 30 MILES. RADIUS OF OVER 30 KNOT WINDS 90 MILES. FORECAST POSITION FOR 130900UTC AT 21.9N 163.6E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 132100UTC AT 23.0N 163.2E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 75 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=