WTJP31 RJTD 300300 WARNING 300300. WARNING VALID 310300. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 965 HPA AT 36.6N 142.0E SEA EAST OF JAPAN MOVING NORTHNORTHWEST 21 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS. RADIUS OF OVER 50 KNOT WINDS 100 MILES NORTHEAST SEMICIRCLE AND 50 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 325 MILES SOUTH SEMICIRCLE AND 240 MILES ELSEWHERE. FORECAST POSITION FOR 301500UTC AT 42.5N 138.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS. FORECAST POSITION FOR 310300UTC AT 43.9N 128.9E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=