WTJP33 RJTD 020300 WARNING 020300. WARNING VALID 030300. STORM WARNING. SEVERE TROPICAL STORM 2509 KROSA (2509) 975 HPA AT 36.8N 143.0E SEA EAST OF JAPAN MOVING NORTHEAST 12 KNOTS. POSITION GOOD. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 021500UTC AT 38.2N 146.5E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 50 KNOTS NEAR CENTER. FORECAST POSITION FOR 030300UTC AT 39.7N 152.0E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=