WTJP21 RJTD 080000 WARNING 080000. WARNING VALID 090000. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2516 TAPAH (2516) UPGRADED FROM SEVERE TROPICAL STORM 975 HPA AT 21.2N 112.1E SOUTH CHINA SEA MOVING NORTHWEST 12 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES SOUTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 081200UTC AT 23.2N 110.9E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 090000UTC AT 24.0N 109.6E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 1000 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=