def METHOD_NAME(lapse_rate):
    """Set up cubes.
    Args:
        lapse_rate: Value to use as the lapse rate within a cube.
    Returns:
        Cube of the orographic difference and a cube of the lapse rate.
    """
    orog_diff = np.array(
        [
            [10, 20, -10, -20],
            [200.0, -200, 10, 0],
            [30, 40, 50, -50],
            [5, 0.5, 40, 60],
        ],
        dtype=np.float32,
    )
    orog_diff_cube = set_up_variable_cube(
        orog_diff,
        name="surface_altitude_difference",
        units="m",
        spatial_grid="equalarea",
    )
    lapse_rate_cube = set_up_variable_cube(
        np.full((4, 4), lapse_rate, dtype=np.float32),
        name="lapse_rate",
        units="K m-1",
        spatial_grid="equalarea",
    )
    return orog_diff_cube, lapse_rate_cube