WTSS20 VHHH 281645 TROPICAL CYCLONE WARNING AT 281500 UTC, TROPICAL STORM SINLAKU (1421) WITH CENTRAL PRESSURE 988 HECTOPASCALS WAS CENTRED WITHIN 90 NAUTICAL MILES OF ONE ONE POINT NINE DEGREES NORTH (11.9 N) ONE ONE THREE POINT NINE DEGREES EAST (113.9 E) AND IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 12 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 45 KNOTS. RADIUS OF OVER 33 KNOT WINDS 90 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 150 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 291500 UTC ONE TWO POINT EIGHT DEGREES NORTH (12.8 N) ONE ZERO NINE POINT SIX DEGREES EAST (109.6 E) MAXIMUM WINDS 50 KNOTS. FORECAST POSITION AND INTENSITY AT 301500 UTC ONE TWO POINT EIGHT DEGREES NORTH (12.8 N) ONE ZERO SEVEN POINT ONE DEGREES EAST (107.1 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 011500 UTC DISSIPATED OVER LAND.