WTJP31 RJTD 011500 WARNING 011500. WARNING VALID 021500. TYPHOON WARNING. TYPHOON 1604 NIDA (1604) 970 HPA AT 22.0N 115.4E SOUTH CHINA SEA MOVING WESTNORTHWEST 15 KNOTS. POSITION GOOD. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES. FORECAST POSITION FOR 020300UTC AT 23.2N 112.8E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 021500UTC AT 24.2N 110.5E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS. JAPAN METEOROLOGICAL AGENCY.=