WTJP32 RJTD 072100 WARNING 072100. WARNING VALID 082100. STORM WARNING. SEVERE TROPICAL STORM 2411 YAGI (2411) 985 HPA AT 20.7N 105.3E VIETNAM MOVING WESTSOUTHWEST 06 KNOTS. POSITION GOOD. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 20 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES. FORECAST POSITION FOR 080900UTC AT 21.2N 104.6E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 998 HPA. BECOMING TROPICAL DEPRESSION. FORECAST POSITION FOR 082100UTC AT 21.3N 103.6E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=