WTJP31 RJTD 191500 WARNING 191500. WARNING VALID 201500. STORM WARNING. TROPICAL STORM 2618 SAUDEL (2618) 996 HPA AT 09.2N 152.6E TRUKS MOVING NORTHWEST 11 KNOTS. POSITION FAIR. MAX WINDS 40 KNOTS NEAR CENTER. RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTH SEMICIRCLE AND 150 MILES ELSEWHERE. FORECAST POSITION FOR 201500UTC AT 13.6N 151.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 50 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=