WTJP33 RJTD 211500 WARNING 211500. WARNING VALID 221500. STORM WARNING. SEVERE TROPICAL STORM 1609 MINDULLE (1609) 980 HPA AT 32.4N 139.4E SEA SOUTH OF JAPAN MOVING NORTH 19 KNOTS. POSITION FAIR. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES EAST SEMICIRCLE AND 20 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 150 MILES EAST SEMICIRCLE AND 60 MILES ELSEWHERE. FORECAST POSITION FOR 220300UTC AT 35.0N 139.4E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. FORECAST POSITION FOR 221500UTC AT 38.9N 141.0E WITH 80 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 985 HPA, MAX WINDS 50 KNOTS. JAPAN METEOROLOGICAL AGENCY.=