WTJP21 RJTD 271800 WARNING 271800. WARNING VALID 281800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2410 SHANSHAN (2410) 935 HPA AT 29.0N 130.1E SEA SOUTH OF JAPAN MOVING NORTHNORTHWEST SLOWLY. POSITION GOOD. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 280600UTC AT 29.9N 129.8E WITH 25 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. FORECAST POSITION FOR 281800UTC AT 31.0N 129.5E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 925 HPA, MAX WINDS 100 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 291800UTC AT 32.4N 130.0E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 301800UTC AT 33.2N 133.2E WITH 120 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 311800UTC AT 34.9N 138.3E WITH 200 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 011800UTC AT 38.4N 142.8E WITH 250 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=