WTJP32 RJTD 011500 WARNING 011500. WARNING VALID 021500. TYPHOON WARNING. TYPHOON 1618 CHABA (1618) 970 HPA AT 18.0N 133.2E SEA EAST OF PHILIPPINES MOVING NORTHWEST 12 KNOTS. POSITION FAIR. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 020300UTC AT 20.2N 131.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 021500UTC AT 22.6N 129.1E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=