| Use this command to recreate this image: | e3sm_diags polar --no_viewer --reference_data_path '/global/cfs/cdirs/e3sm/diagnostics/observations/Atm/climatology/' --test_data_path '/global/cfs/cdirs/e3sm/chengzhu/tutorial2024/v3.LR.historical_0101/post/atm/180x360_aave/clim/15yr' --results_dir '/global/cfs/cdirs/e3sm/www/chengzhu/tutorial2024/e3sm_diags_extended' --case_id 'MERRA2' --run_type 'model_vs_obs' --sets  'polar' --variables  'U' --seasons  'ANN' --regions  'polar_S' --regrid_tool 'esmf' --regrid_method 'conservative' --plevs  '850.0' --multiprocessing --num_workers '24' --main_title 'U 850 mb ANN polar_S' --backend 'mpl' --output_format  'png' --canvas_size_w '1212' --canvas_size_h '1628' --figsize  '8.5'  '11.0' --dpi '150' --arrows --contour_levels  '-20'  '-15'  '-10'  '-8'  '-5'  '-3'  '-1'  '1'  '3'  '5'  '8'  '10'  '15'  '20' --test_name 'extendedOutput.v3.LR.historical_0101' --short_test_name 'v3.LR.historical_0101' --test_colormap 'PiYG_r' --ref_name 'MERRA2' --reference_name 'MERRA2 Reanalysis' --reference_colormap 'PiYG_r' --diff_title 'Model - Observations' --diff_colormap 'diverging_bwr.rgb' --diff_levels  '-8'  '-6'  '-5'  '-4'  '-3'  '-2'  '-1'  '1'  '2'  '3'  '4'  '5'  '6'  '8' --granulate  'variables'  'seasons'  'plevs'  'regions' --selectors  'sets'  'seasons'  |