WTJP32 RJTD 172100 WARNING 172100. WARNING VALID 182100. TYPHOON WARNING. TYPHOON 1721 LAN (1721) 970 HPA AT 10.9N 132.4E SEA EAST OF PHILIPPINES MOVING NORTHEAST SLOWLY. POSITION FAIR. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 180900UTC AT 13.0N 132.1E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 182100UTC AT 15.0N 131.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=