For the model grid, the rectangular horizontal grid was replaced by an orthogonal curvilinear grid to improve coastline
representations with 37 97 horizontal grid points, as shown in Fig. 3. The horizontal grid spacing has ranged from 2 to
55 km. The vertical sigma coordinate has 10 levels. Aschariyaphotha et al. [9] has described the techniques that generate
the model grid and interpolated the initial data by using cubic spline and bilinear interpolations.