def get_fields_for_l3_plot(product: str, model: str) -> list:
    """Return list of variables and maximum altitude for Cloudnet quicklooks.

    Args:
        product (str): Name of product, e.g., 'iwc'.
        model (str): Name of the model, e.g., 'ecmwf'.
    Returns:
        list: List of wanted variables
    """
    if product == "l3-iwc":
        fields = [f"{model}_iwc", f"iwc_{model}"]
    elif product == "l3-lwc":
        fields = [f"{model}_lwc", f"lwc_{model}"]
    elif product == "l3-cf":
        fields = [f"{model}_cf", f"cf_V_{model}"]
    else:
        raise NotImplementedError
    return fields