WTJP21 RJTD 251800 WARNING 251800. WARNING VALID 261800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 945 HPA AT 23.1N 130.5E SEA SOUTH OF OKINAWA 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 100 MILES. FORECAST POSITION FOR 260600UTC AT 23.3N 130.9E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 940 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 261800UTC AT 23.8N 131.9E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 930 HPA, MAX WINDS 100 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 271800UTC AT 25.5N 134.4E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 105 KNOTS NEAR CENTER. FORECAST POSITION FOR 281800UTC AT 28.6N 138.9E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=