WTJP21 RJTD 311800 WARNING 311800. WARNING VALID 011800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1705 NORU (1705) 930 HPA AT 23.3N 138.8E SEA SOUTH OF JAPAN MOVING WESTNORTHWEST SLOWLY. POSITION GOOD. MAX WINDS 100 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 90 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 011800UTC AT 24.4N 137.1E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 021800UTC AT 25.8N 136.4E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 031800UTC AT 27.2N 135.0E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 945 HPA, MAX WINDS 85 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=