WTJP22 RJTD 210600 WARNING 210600. WARNING VALID 220600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 2403 GAEMI (2403) UPGRADED FROM TROPICAL STORM 992 HPA AT 17.0N 125.0E SEA EAST OF PHILIPPINES MOVING NORTHWEST 07 KNOTS. POSITION FAIR. MAX WINDS 50 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 240 MILES. FORECAST POSITION FOR 220600UTC AT 18.2N 125.5E WITH 57 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 60 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 230600UTC AT 20.1N 125.1E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 240600UTC AT 23.7N 124.2E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 250600UTC AT 26.1N 121.6E WITH 175 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 260600UTC AT 28.9N 119.7E WITH 215 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=