image_base = ../chihi20/
bg.jpg overlay= layer_type1_20250517_142025.png, fg.png, layer_strike_20250517_142025.png, layer_track_20250517_142025.png, layer_hail_20250517_142025.png, layer_warn_20250517_142025.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_142713.png, fg.png, layer_strike_20250517_142713.png, layer_track_20250517_142713.png, layer_hail_20250517_142713.png, layer_warn_20250517_142713.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_143409.png, fg.png, layer_strike_20250517_143409.png, layer_track_20250517_143409.png, layer_hail_20250517_143409.png, layer_warn_20250517_143409.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_144109.png, fg.png, layer_strike_20250517_144109.png, layer_track_20250517_144109.png, layer_hail_20250517_144109.png, layer_warn_20250517_144109.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20250517_144805.png, fg.png, layer_strike_20250517_144805.png, layer_track_20250517_144805.png, layer_hail_20250517_144805.png, layer_warn_20250517_144805.png, ../legends/legend_warnings_type.png