WTJP22 RJTD 161800 WARNING 161800. WARNING VALID 171800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1621 SARIKA (1621) 965 HPA AT 16.8N 115.5E SOUTH CHINA SEA MOVING WEST 14 KNOTS. POSITION GOOD. MAX WINDS 75 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES. FORECAST POSITION FOR 170600UTC AT 17.3N 113.3E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 171800UTC AT 17.9N 111.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 181800UTC AT 19.6N 108.5E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 191800UTC AT 21.5N 106.2E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=