WTJP32 RJTD 080900 WARNING 080900. WARNING VALID 090900. TYPHOON WARNING. TYPHOON 1813 SHANSHAN (1813) 970 HPA AT 34.1N 141.3E SEA EAST OF JAPAN MOVING NORTHNORTHWEST 06 KNOTS. POSITION GOOD. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 300 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 082100UTC AT 35.7N 141.0E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 090900UTC AT 37.6N 141.9E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=