Layer previews

Map

One RFC 7946 FeatureCollection per hazard layer.

no key required CORS-open

Layersone GET per selected layer, exactly what a MapLibre, Leaflet or QGIS source points at · every response carries metadata.sourceStatus — an UNAVAILABLE layer is not drawn, and an empty map does not mean the area is clear

Feed metadata

GET …/map/{layer}.geojson

one row per selected layer · a degraded row says why

Unlocated features

Features with "geometry": null, such as a county-wide advisory, are valid but cannot be drawn, so they are listed here instead.