WTJP31 RJTD 281500 WARNING 281500. WARNING VALID 291500. TYPHOON WARNING. TYPHOON 1610 LIONROCK (1610) 940 HPA AT 28.8N 139.5E SEA SOUTH OF JAPAN MOVING NORTHEAST 13 KNOTS. POSITION GOOD. MAX WINDS 90 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES SOUTHEAST SEMICIRCLE AND 60 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 350 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 290300UTC AT 31.0N 141.8E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 291500UTC AT 33.7N 142.8E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=