image_base = ../day15/
bg.jpg overlay= layer_type1_20250517_135409.png, fg.png, layer_strike_20250517_135409.png, layer_track_20250517_135409.png, layer_hail_20250517_135409.png, layer_warn_20250517_135409.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_140102.png, fg.png, layer_strike_20250517_140102.png, layer_track_20250517_140102.png, layer_hail_20250517_140102.png, layer_warn_20250517_140102.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_140805.png, fg.png, layer_strike_20250517_140805.png, layer_track_20250517_140805.png, layer_hail_20250517_140805.png, layer_warn_20250517_140805.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_141508.png, fg.png, layer_strike_20250517_141508.png, layer_track_20250517_141508.png, layer_hail_20250517_141508.png, layer_warn_20250517_141508.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_142212.png, fg.png, layer_strike_20250517_142212.png, layer_track_20250517_142212.png, layer_hail_20250517_142212.png, layer_warn_20250517_142212.png, ../legends/legend_warnings_type.png