Generate a GRLevelX placefile from NWS alerts on api.weather.gov
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Updated
Apr 16, 2026 - PHP
Generate a GRLevelX placefile from NWS alerts on api.weather.gov
A Placefile is a structured text file used to provide geospatial data for mapping applications, often for weather alerts, storm reports, or points of interest. A Placefile contains instructions for displaying locations on a map, including coordinates, labels, colors, icons, and refresh intervals.
Generate placefiles to display current Area Risk outlines from the NWS Storm Prediction Center (Day1-Day8) on GRLevelX
Generate a GRLevelX placefile from the NOAA AHPS river/stream level observations
Add a description, image, and links to the placefile topic page so that developers can more easily learn about it.
To associate your repository with the placefile topic, visit your repo's landing page and select "manage topics."