WTJP21 RJTD 171200 WARNING 171200. WARNING VALID 181200. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 1819 SOULIK (1819) UPGRADED FROM SEVERE TROPICAL STORM 975 HPA AT 23.8N 140.2E OGASAWARA SHOTO MOVING NORTHNORTHWEST 13 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 50 MILES. RADIUS OF OVER 30 KNOT WINDS 270 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 180000UTC AT 24.5N 140.1E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 181200UTC AT 24.7N 140.0E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 75 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 191200UTC AT 25.6N 137.5E WITH 95 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 201200UTC AT 27.5N 134.2E WITH 130 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=