WTJP31 RJTD 120900 WARNING 120900. WARNING VALID 130900. TYPHOON WARNING. SEVERE TROPICAL STORM 1712 BANYAN (1712) 992 HPA AT 19.5N 164.9E SEA AROUND OF WAKE MOVING NORTHNORTHWEST 07 KNOTS. POSITION GOOD. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 90 MILES. FORECAST POSITION FOR 122100UTC AT 21.2N 163.7E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 130900UTC AT 22.6N 163.4E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 65 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=