WTJP21 RJTD 290000 WARNING 290000. WARNING VALID 300000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 945 HPA AT 30.4N 141.6E SEA EAST OF JAPAN MOVING NORTHEAST 14 KNOTS. POSITION GOOD. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES SOUTHEAST SEMICIRCLE AND 60 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 350 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 291200UTC AT 32.7N 143.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 300000UTC AT 35.5N 143.2E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 70 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 310000UTC AT 44.5N 136.0E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 55 KNOTS. FORECAST POSITION FOR 010000UTC AT 42.2N 119.6E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 35 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=