def METHOD_NAME():
    """``cl`` cubes."""
    b_coord = iris.coords.AuxCoord(np.zeros_like(B_POINTS),
                                   bounds=np.zeros_like(B_BOUNDS),
                                   var_name='b')
    cube = iris.cube.Cube(
        np.ones_like(B_POINTS),
        var_name='cl',
        standard_name='cloud_area_fraction_in_atmosphere_layer',
        units='%',
        aux_coords_and_dims=[(b_coord, 0)],
    )
    return iris.cube.CubeList([cube])