WTJP22 RJTD 151800 WARNING 151800. WARNING VALID 161800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1621 SARIKA (1621) 935 HPA AT 15.7N 121.8E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 11 KNOTS. POSITION GOOD. MAX WINDS 95 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 160600UTC AT 16.3N 118.7E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 161800UTC AT 16.6N 115.7E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 171800UTC AT 17.2N 111.4E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 181800UTC AT 18.8N 108.0E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=