mgrib(grib_field_position = 1, grib_input_file_name = "2m_temperature.grib") mcont(contour_level_selection_type = "level_list", contour_shade_colour_method = "list", contour_shade_method = "area_fill", contour_shade = "on", contour_level_list = [-70.00, 0.00], contour_shade_colour_direction = "anti_clockwise", contour = "off", contour_label = "off", legend = "on", contour_shade_colour_list = ["rgba(0.498,0.8,0.8,0.6)"])