WTSS20 VHHH 240146 TROPICAL CYCLONE WARNING AT 240000 UTC, TROPICAL DEPRESSION SONCA (1708) WITH CENTRAL PRESSURE 998 HECTOPASCALS WAS CENTRED WITHIN 60 NAUTICAL MILES OF ONE SEVEN POINT THREE DEGREES NORTH (17.3 N) ONE ONE ONE POINT FOUR DEGREES EAST (111.4 E) AND IS FORECAST TO MOVE WEST-NORTHWEST SLOWLY FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 30 KNOTS. RADIUS OF OVER 2 METRE WAVES 90 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 250000 UTC ONE EIGHT POINT FOUR DEGREES NORTH (18.4 N) ONE ZERO EIGHT POINT SEVEN DEGREES EAST (108.7 E) MAXIMUM WINDS 30 KNOTS. FORECAST POSITION AND INTENSITY AT 260000 UTC DISSIPATED OVER LAND.