WTJP22 RJTD 080000 WARNING 080000. WARNING VALID 090000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1813 SHANSHAN (1813) 970 HPA AT 33.3N 141.9E SEA EAST OF JAPAN MOVING NORTHNORTHWEST 08 KNOTS. POSITION GOOD. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 55 MILES. RADIUS OF OVER 30 KNOT WINDS 300 MILES EAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 081200UTC AT 34.6N 141.0E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 090000UTC AT 36.3N 140.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 100000UTC AT 39.8N 145.6E WITH 150 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 110000UTC AT 42.7N 163.0E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 50 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=