TROPICAL CYCLONES IN 2013
| Six-hourly position and intensity data are tabulated in this section for the following tropical cyclones in 2013 over the western North Pacific and the South China Sea (i.e. the area bounded by the Equator, 45°N, 100°E and 180°). |
In this section, surface winds refer to wind speeds averaged over a period of 10 minutes given in the unit of m/s (1 m/s is about 1.94 knots or 3.6 km/h). Intensities of tropical cyclones are classified as follows:-
| (a) | T.D. | - tropical depression |
| (b) | T.S. | - tropical storm |
| (c) | S.T.S. | - severe tropical storm |
| (d) | T. | - typhoon |
| (e) | S.T. | - severe typhoon |
| (f) | SuperT. | - super typhoon |