image_base = ../gatecty50/
bg.jpg overlay= layer_type1_20260311_094657.png, fg.png, layer_track_20260311_094657.png, layer_hail_20260311_094657.png, layer_warn_20260311_094657.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_095535.png, fg.png, layer_track_20260311_095535.png, layer_hail_20260311_095535.png, layer_warn_20260311_095535.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_100412.png, fg.png, layer_track_20260311_100412.png, layer_hail_20260311_100412.png, layer_warn_20260311_100412.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_101249.png, fg.png, layer_track_20260311_101249.png, layer_hail_20260311_101249.png, layer_warn_20260311_101249.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_102127.png, fg.png, layer_track_20260311_102127.png, layer_hail_20260311_102127.png, layer_warn_20260311_102127.png, ../legends/legend_warnings_type.png