WTJP33 RJTD 070900 WARNING 070900. WARNING VALID 080900. STORM WARNING. SEVERE TROPICAL STORM 1619 AERE (1619) 985 HPA AT 20.8N 115.8E SOUTH CHINA SEA MOVING WEST SLOWLY. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 90 MILES NORTHWEST SEMICIRCLE AND 60 MILES ELSEWHERE. FORECAST POSITION FOR 080900UTC AT 20.6N 115.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=