WTJP31 RJTD 170300 WARNING 170300. WARNING VALID 180300. TYPHOON WARNING. SEVERE TROPICAL STORM 1819 SOULIK (1819) 990 HPA AT 22.4N 140.7E OGASAWARA SHOTO MOVING NORTHNORTHWEST 15 KNOTS. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 270 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 171500UTC AT 24.1N 140.1E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 180300UTC AT 24.7N 140.1E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=