WTJP21 RJTD 020000 WARNING 020000. WARNING VALID 030000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1821 JEBI (1821) 935 HPA AT 22.5N 135.8E SEA SOUTH OF JAPAN MOVING NORTHWEST 10 KNOTS. POSITION GOOD. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 021200UTC AT 24.2N 134.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. FORECAST POSITION FOR 030000UTC AT 26.0N 133.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 040000UTC AT 31.4N 133.5E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 050000UTC AT 44.3N 139.2E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=