WTJP31 RJTD 272100 WARNING 272100. WARNING VALID 282100. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 945 HPA AT 25.7N 136.1E SEA SOUTH OF JAPAN MOVING NORTHEAST 09 KNOTS. POSITION GOOD. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 270 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 282100UTC AT 29.7N 140.7E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=