WTJP31 RJTD 120300 WARNING 120300. WARNING VALID 130300. STORM WARNING. TROPICAL STORM 1712 BANYAN (1712) 998 HPA AT 18.8N 165.1E SEA AROUND OF WAKE MOVING WESTNORTHWEST 12 KNOTS. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 90 MILES. FORECAST POSITION FOR 121500UTC AT 21.1N 164.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 130300UTC AT 22.5N 164.0E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=