WTJP31 RJTD 292100 WARNING 292100. WARNING VALID 302100. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 965 HPA AT 34.2N 143.9E SEA EAST OF JAPAN MOVING NORTH 15 KNOTS. POSITION FAIR. MAX WINDS 70 KNOTS NEAR CENTER. 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 300900UTC AT 39.3N 141.2E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS. FORECAST POSITION FOR 302100UTC AT 43.8N 133.2E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 978 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=