WTJP22 RJTD 021200 WARNING 021200. WARNING VALID 031200. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 1716 MAWAR (1716) 990 HPA AT 21.6N 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 031200UTC AT 22.8N 116.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 041200UTC AT 24.6N 114.5E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA, MAX WINDS 35 KNOTS NEAR CENTER. FORECAST POSITION FOR 051200UTC AT 26.1N 114.6E WITH 170 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1004 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=