WTJP32 RJTD 050900 WARNING 050900. WARNING VALID 060900. STORM WARNING. TROPICAL STORM 2504 DANAS (2504) 990 HPA AT 20.6N 117.7E SOUTH CHINA SEA ALMOST STATIONARY. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 060900UTC AT 22.6N 118.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=