.. py:function:: thermo_parcel_area(parcel, [positive_colour, negative_colour]) Convenience function to build positive and negative buoyancy areas from ``parcel`` to be plotted in a :func:`thermoview`. :param parcel: object describing the path of an ascending thermodynamic air parcel :type parcel: :func:`thermo_parcel_path` :param positive_colour: colour of the positive buoyancy areas, the default is "red" :type positive_colour: str :param negative_colour: colour of the negative buoyancy areas, the default is "blue" :type negative_colour: str :rtype: list of :func:`input_visualiser` and :func:`mgraph` Returns a list containing an :func:`input_visualiser` and an :func:`mgraph`, which can be directly used in :func:`plot`.
.. mv-minigallery:: thermo_parcel_area