WTJP32 RJTD 222100 WARNING 222100. WARNING VALID 232100. STORM WARNING. SEVERE TROPICAL STORM 1721 LAN (1721) DOWNGRADED FROM TYPHOON 965 HPA AT 36.1N 139.9E HONSHU MOVING NORTHEAST 34 KNOTS. POSITION GOOD. MAX WINDS 60 KNOTS. RADIUS OF OVER 50 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 150 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 600 MILES. FORECAST POSITION FOR 230900UTC AT 40.9N 146.5E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 60 KNOTS. FORECAST POSITION FOR 232100UTC AT 46.5N 158.0E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 55 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=