WTJP32 RJTD 020900 WARNING 020900. WARNING VALID 030900. STORM WARNING. SEVERE TROPICAL STORM 1716 MAWAR (1716) 990 HPA AT 21.5N 117.0E SOUTH CHINA SEA ALMOST STATIONARY. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES SOUTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 030900UTC AT 22.9N 116.7E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=