WTJP31 RJTD 290900 WARNING 290900. WARNING VALID 300900. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 950 HPA AT 31.9N 143.1E SEA EAST OF JAPAN MOVING NORTHEAST 14 KNOTS. POSITION GOOD. MAX WINDS 80 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 240 MILES SOUTH SEMICIRCLE AND 200 MILES ELSEWHERE. FORECAST POSITION FOR 292100UTC AT 34.9N 143.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 300900UTC AT 39.1N 141.5E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 70 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=