normal_component

metpy.calc.normal_component(data_x, data_y, index='index')

Obtain the normal component of a cross-section of a vector field.

Parameters

• data_x (xarray.DataArray) – The input DataArray of the x-component (in terms of data projection) of the vector field.

• data_y (xarray.DataArray) – The input DataArray of the y-component (in terms of data projection) of the vector field.

Returns

component_normal (xarray.DataArray) – The component of the vector field in the normal directions.

See also

cross_section_components(), tangential_component()

Notes

The coordinates of data_x and data_y must match.