WTJP21 RJTD 300000 WARNING 300000. WARNING VALID 310000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 965 HPA AT 35.7N 142.7E SEA EAST OF JAPAN MOVING NORTH 17 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS. RADIUS OF OVER 50 KNOT WINDS 90 MILES EAST SEMICIRCLE AND 40 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 301200UTC AT 41.0N 140.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS. FORECAST POSITION FOR 310000UTC AT 43.8N 130.3E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=