WTJP32 RJTD 161500 WARNING 161500. WARNING VALID 171500. TYPHOON WARNING. TROPICAL STORM 1721 LAN (1721) 994 HPA AT 10.8N 134.6E SEA EAST OF PHILIPPINES MOVING WEST SLOWLY. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 120 MILES. FORECAST POSITION FOR 171500UTC AT 11.4N 132.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 70 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=