WTJP22 RJTD 021200 WARNING 021200. WARNING VALID 031200. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 0921 MIRINAE (0921) 996 HPA AT 12.7N 108.5E VIETNAM MOVING WEST 11 KNOTS. POSITION POOR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 140 MILES NORTHEAST SEMICIRCLE AND 100 MILES ELSEWHERE. FORECAST POSITION FOR 030000UTC AT 12.0N 106.3E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1008 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 031200UTC AT 11.6N 104.0E WITH 75 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1008 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=