mgrib(grib_field_position = 1,
grib_input_file_name = "2mt.grib")
mcont(contour_label_height = 0.40,
contour_level_selection_type = "interval",
contour_label_frequency = 1,
contour_line_colour = "red",
contour_highlight_thickness = 2,
contour_highlight_frequency = 5,
contour_label = "on",
contour_min_level = -100.00,
contour_max_level = 100.00,
contour_highlight_colour = "red",
contour_hilo = "off",
legend = "on",
contour_interval = 2.00,
contour_line_style = "dash")