WTPQ20 VHHH 160746 TROPICAL CYCLONE WARNING AT 160600 UTC, TROPICAL STORM RUMBIA (1818) WITH CENTRAL PRESSURE 990 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF THREE ZERO POINT ZERO DEGREES NORTH (30.0 N) ONE TWO FOUR POINT FOUR DEGREES EAST (124.4 E) AND IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 10 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 40 KNOTS. RADIUS OF OVER 33 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 180 NAUTICAL MILES OVER EASTERN SEMICIRCLE, 90 NAUTICAL MILES ELSEWHERE. FORECAST POSITION AND INTENSITY AT 170600 UTC THREE ONE POINT THREE DEGREES NORTH (31.3 N) ONE ONE EIGHT POINT FIVE DEGREES EAST (118.5 E) MAXIMUM WINDS 40 KNOTS. FORECAST POSITION AND INTENSITY AT 180600 UTC THREE TWO POINT ONE DEGREES NORTH (32.1 N) ONE ONE THREE POINT EIGHT DEGREES EAST (113.8 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 190600 UTC DISSIPATED OVER LAND.