WTJP21 RJTD 220600 WARNING 220600. WARNING VALID 230600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 2506 WIPHA (2506) DOWNGRADED FROM SEVERE TROPICAL STORM 985 HPA AT 20.5N 106.2E VIETNAM MOVING WESTNORTHWEST 08 KNOTS. POSITION GOOD. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 120 MILES SOUTHEAST SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 221800UTC AT 20.3N 105.3E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 35 KNOTS. FORECAST POSITION FOR 230600UTC AT 20.5N 103.4E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA. BECOMING TROPICAL DEPRESSION. JAPAN METEOROLOGICAL AGENCY.=