WTJP32 RJTD 180300 WARNING 180300. WARNING VALID 190300. TYPHOON WARNING. TYPHOON 1621 SARIKA (1621) 965 HPA AT 18.9N 110.3E HAINAN MOVING NORTHWEST 09 KNOTS. POSITION FAIR. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES. FORECAST POSITION FOR 181500UTC AT 20.0N 109.3E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS. FORECAST POSITION FOR 190300UTC AT 21.0N 108.3E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS. JAPAN METEOROLOGICAL AGENCY.=