Generate popup when raster value intersects polygon?

06-25-2019 07:34 AM
Occasional Contributor

I'm looking for help from the GIS Brain Trust on how to generate a popup when a raster value is "found" within a polygon. Essentially what I'm looking to do is use the live doppler feed and when it passes over a watershed and contains a pixel value >x it would generate a popup with a message. 

Is this even possible in ArcGIS Online? I'm using the NEXRAD from Living Atlas and a watershed boundary that I'm hosting on AGOL. 


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