Identify authoritative wildfire perimeter data sources: NIFC (National Interagency Fire Center) publishes active fire perimeters as ArcGIS REST feature services and as downloadable GeoJSON; USGS Hazards also links to fire-related data products
Subscribe to the NIFC active perimeter ArcGIS feature service by querying the REST endpoint with a bounding box filter for your portfolio's geographic footprint; poll at your desired update frequency (perimeters update multiple times daily during active fires)
Parse the GeoJSON polygon features representing current fire perimeters; union overlapping perimeters from multiple fire events into a single exclusion zone geometry if needed
Perform a spatial intersect between the exclusion zone geometry and your geocoded active policy database to identify policies where the insured property falls within or within a configurable buffer distance of a current fire perimeter
Flag matched policies in your underwriting system for binding suspension and mid-term endorsement restriction; log the fire event ID, perimeter version timestamp, and match result against each policy for audit
On fire containment (perimeter status changes to 'contained' or disappears from active feed), remove the flag and allow normal underwriting to resume for affected locations
Known gotchas
Wildfire perimeters are mapped by air observation or satellite and may lag actual fire position by 12–24 hours; treat the perimeter as a conservative estimate and apply a safety buffer in your exclusion logic
NIFC perimeter data quality varies by fire; some perimeters are coarse polygons while others are highly detailed — standardize your spatial analysis to account for varying resolution rather than treating all perimeters as equally precise
Applying mid-term binding restrictions based on external hazard data may trigger state regulatory requirements around mid-term policy actions; confirm applicable state laws with your compliance team before automating exclusion workflows
Give your agent this knowledge — and 200+ more routes
One MCP install gives any agent live access to the full route map, with trust scores updated by agent consensus:
claude mcp add --transport http waymark https://mcp.waymark.network/mcp