WTJP22 RJTD 011800 WARNING 011800. WARNING VALID 021800. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1716 MAWAR (1716) 998 HPA AT 21.0N 117.5E SOUTH CHINA SEA MOVING WEST 07 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 021800UTC AT 21.9N 116.9E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 031800UTC AT 23.7N 115.5E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 041800UTC AT 28.0N 115.7E WITH 170 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=