mgrib(grib_field_position = 1,
grib_input_file_name = "wind_gust.grib")
mcont(contour_level_selection_type = "list",
contour_shade_colour_method = "list",
contour_shade_method = "area_fill",
contour_shade = "on",
contour_level_list = [10.00, 15.00,...,80.00, 100.00],
contour_hilo = "off",
contour = "off",
contour_line_thickness = 1,
contour_label = "off",
contour_shade_colour_list = ["rgb(1,1,0.40)", "greenish_yellow",...,"rgb(0.0,0.20,0.44)", "rgb(0.0,0.20,0.64)"],
contour_shade_min_level = 10.00,
legend = "on")