WTJP33 RJTD 252100 WARNING 252100. WARNING VALID 262100. STORM WARNING. TROPICAL STORM 2509 KROSA (2509) 992 HPA AT 18.0N 143.8E MARIANAS MOVING NORTHEAST SLOWLY. POSITION FAIR. MAX WINDS 45 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES SOUTH SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 262100UTC AT 20.8N 145.3E WITH 65 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=