WTJP21 RJTD 100600 WARNING 100600. WARNING VALID 110600. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. TROPICAL STORM 1614 MERANTI (1614) UPGRADED FROM TROPICAL DEPRESSION 1000 HPA AT 14.8N 139.2E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 10 KNOTS. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 90 MILES. FORECAST POSITION FOR 101800UTC AT 15.7N 137.0E WITH 40 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 992 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 110600UTC AT 16.6N 134.6E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 120600UTC AT 18.0N 129.6E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 955 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 130600UTC AT 19.4N 124.8E WITH 140 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=