WTJP21 RJTD 270600 WARNING 270600. WARNING VALID 280600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. TROPICAL STORM 1803 JELAWAT (1803) 998 HPA AT 09.8N 134.8E CAROLINES MOVING WESTNORTHWEST SLOWLY. POSITION FAIR. MAX WINDS 35 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTH SEMICIRCLE AND 90 MILES ELSEWHERE. FORECAST POSITION FOR 271800UTC AT 11.1N 134.0E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 998 HPA, MAX WINDS 35 KNOTS NEAR CENTER. FORECAST POSITION FOR 280600UTC AT 12.8N 134.2E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 35 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 290600UTC AT 16.3N 134.4E WITH 110 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS NEAR CENTER. FORECAST POSITION FOR 300600UTC AT 18.4N 135.9E WITH 170 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 980 HPA, MAX WINDS 55 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=