Combined (Alerts + SPC + LSR)
All active warning polygons, watch boxes, and storm reports in one feed.
How to use
Copy a URL below and paste it into GRLevelX under Placefile Manager → Add New Placefile → URL. GRLevelX will poll the URL on its own interval; the server generates fresh content every request. Do not download the file — use the URL directly so the overlay stays live.
Full Suite (All Sources)
Everything: warnings, watches, storm reports, projected tracks, nearby cities, and detailed data points.
NWS Alerts
Watches, warnings, and advisories from api.weather.gov.
SPC Products
Tornado / Severe Thunderstorm Watches, Outlooks, and MDs.
Local Storm Reports
Spotter-reported hail, wind, tornado events with coordinates.
Storm Tracks
Projected storm tracks with speed and ETA based on NWS motion data.
Nearby Cities
Major US city labels near active severe warnings for geographic reference.
LSR Data Points
Detailed hail size, wind speed, and tornado markers from storm reports.
Road Overlay
Major road names and outlines near active warnings. Requires bbox parameter — use the dynamic URL below or load warnings first.