- emergency - warning - advisory - none https://github.com/weatherbox/jma-xml/blob/master/functions/atomfeed/warningxml.py#L81 MapboxGL - join data https://www.mapbox.com/mapbox-gl-js/example/data-join/ `categorical` x 1 layer - filter in https://www.mapbox.com/mapbox-gl-js/style-spec/#types-filter `filter in` x 3layer
https://github.com/weatherbox/jma-xml/blob/master/functions/atomfeed/warningxml.py#L81
MapboxGL
categoricalx 1 layerfilter inx 3layer