def METHOD_NAME():
    """Surface air pressure cube."""
    ps_data = [[[105000.0, 50000.0],
                [95000.0, 60000.0]]]
    coord_spec = get_coord_spec(include_plev=False)
    cube = iris.cube.Cube(
        ps_data,
        var_name='ps',
        standard_name='surface_air_pressure',
        units='Pa',
        dim_coords_and_dims=coord_spec,
    )
    return cube