WTJP22 RJTD 020600 WARNING 020600. WARNING VALID 030600. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1618 CHABA (1618) 935 HPA AT 20.8N 130.4E SEA SOUTH OF JAPAN MOVING NORTHWEST 15 KNOTS. POSITION GOOD. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 021800UTC AT 22.9N 128.7E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 030600UTC AT 25.2N 127.8E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 040600UTC AT 29.9N 127.5E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 050600UTC AT 35.4N 132.2E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS. JAPAN METEOROLOGICAL AGENCY.=