WTJP21 RJTD 140000 WARNING 140000. WARNING VALID 150000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2604 SINLAKU (2604) 910 HPA AT 14.2N 146.6E MARIANAS MOVING NORTHNORTHWEST 07 KNOTS. POSITION GOOD. MAX WINDS 110 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 90 MILES. RADIUS OF OVER 30 KNOT WINDS 300 MILES. FORECAST POSITION FOR 150000UTC AT 15.9N 145.5E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 95 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 160000UTC AT 18.0N 144.8E WITH 55 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 170000UTC AT 20.7N 146.2E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 180000UTC AT 23.4N 148.5E WITH 125 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 190000UTC AT 27.2N 152.7E WITH 180 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 65 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=