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input files containing meteorological time series such as wind velocity, air pressure, air temperature. |
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- Explanation of the grid definition for wind on a Spiderweb grid.
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The Spiderweb grid is defined using the number of rows 'n_rows' and the number of columns 'n_cols'.
The number of rows is used to divide the radius of the Spiderweb in small rings of width spw_radius/n_rows \ [m\].
The number of columns is used to divide the circle in parts with angles of 2*pi/n_cols \ [rad\].
The wind direction is defined according to the nautical convention, i.e. wind from the North has direction 0 degrees and the angle increases when turning clockwise.
If the grid_unit is 'degree' than the coordinates of the Spiderweb/cyclone eye are given in spherical coordinates using keywords 'x_spw_eye' and 'y_spw_eye'.
For each time of the time series, the coordinates of the Spiderweb eye and the pressure drop in the eye must be specified.