WTJP31 RJTD 280300 WARNING 280300. WARNING VALID 290300. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 945 HPA AT 26.9N 137.4E SEA SOUTH OF JAPAN MOVING NORTHEAST 14 KNOTS. POSITION GOOD. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 270 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 281500UTC AT 28.7N 139.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 290300UTC AT 30.9N 141.8E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 85 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=