Exposure context
Official alerts may identify potential effects on sensitive vegetation, outdoor plumbing, pets, livestock, travel or people. This map preserves that context but does not inventory crops or pipes, estimate losses, or provide medical advice.
How to read this
Fact: alert categories, times, descriptions and shapes come from NWS. Limit: conditions vary inside every alert area. Use the full official alert and local guidance for decisions.
Source & runtime status
NOAA National Weather Service Alerts API and official affected-zone endpoints, requested directly in your browser. Anonymous and keyless; no alert snapshot is bundled. Geometry loading uses four-request concurrency, caching and an 80-zone ceiling. Source/license notes · NWS API documentation