WTJP31 RJTD 250300 WARNING 250300. WARNING VALID 260300. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 945 HPA AT 23.5N 131.0E SEA SOUTH OF JAPAN MOVING SOUTHWEST SLOWLY. POSITION GOOD. MAX WINDS 85 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 120 MILES. FORECAST POSITION FOR 251500UTC AT 23.4N 131.1E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 260300UTC AT 23.5N 131.5E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 100 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=