WTJP22 RJTD 070600 WARNING 070600. WARNING VALID 080600. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1813 SHANSHAN (1813) 970 HPA AT 31.3N 143.9E SEA EAST OF JAPAN MOVING NORTHNORTHWEST 10 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 071800UTC AT 32.7N 142.4E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 080600UTC AT 34.0N 141.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 090600UTC AT 37.3N 140.7E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 100600UTC AT 41.6N 149.8E WITH 220 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=