image_base = ../wash50/
bg.jpg overlay= layer_type1_20150723_001642.png, fg.png, layer_track_20150723_001642.png, layer_hail_20150723_001642.png, layer_warn_20150723_001642.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20150723_002626.png, fg.png, layer_track_20150723_002626.png, layer_hail_20150723_002626.png, layer_warn_20150723_002626.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20150723_003609.png, fg.png, layer_track_20150723_003609.png, layer_hail_20150723_003609.png, layer_warn_20150723_003609.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20150723_004553.png, fg.png, layer_track_20150723_004553.png, layer_hail_20150723_004553.png, layer_warn_20150723_004553.png, ../legends/legend_warnings_type.png
bg.jpg overlay= layer_type1_20150723_005538.png, fg.png, layer_track_20150723_005538.png, layer_hail_20150723_005538.png, layer_warn_20150723_005538.png, ../legends/legend_warnings_type.png