image_base = ../day15/
bg.jpg overlay= layer_type1_20260311_084458.png, fg.png, layer_strike_20260311_084458.png, layer_track_20260311_084458.png, layer_hail_20260311_084458.png, layer_warn_20260311_084458.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_085200.png, fg.png, layer_strike_20260311_085200.png, layer_track_20260311_085200.png, layer_hail_20260311_085200.png, layer_warn_20260311_085200.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_085903.png, fg.png, layer_strike_20260311_085903.png, layer_track_20260311_085903.png, layer_hail_20260311_085903.png, layer_warn_20260311_085903.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_090605.png, fg.png, layer_strike_20260311_090605.png, layer_track_20260311_090605.png, layer_hail_20260311_090605.png, layer_warn_20260311_090605.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20260311_091307.png, fg.png, layer_strike_20260311_091307.png, layer_track_20260311_091307.png, layer_hail_20260311_091307.png, layer_warn_20260311_091307.png, ../legends/legend_warnings_type.png