WTJP32 RJTD 210300 WARNING 210300. WARNING VALID 220300. TYPHOON WARNING. SEVERE TROPICAL STORM 1820 CIMARON (1820) 980 HPA AT 20.5N 144.7E OGASAWARA SHOTO MOVING NORTHWEST 14 KNOTS. POSITION FAIR. MAX WINDS 60 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 300 MILES EAST SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 211500UTC AT 22.2N 142.0E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 65 KNOTS NEAR CENTER. FORECAST POSITION FOR 220300UTC AT 24.4N 139.3E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 970 HPA, MAX WINDS 70 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=