Visualizing bird migration data from weather radars

Last month we went to Amsterdam to address a visualization challenge put forward by the European Network for the Radar Surveillance of Animal Movement (ENRAM). These good people are working towards an automated Europe-wide bird migration observation system using weather radars. There are plenty good reasons for doing so, not the least because birds tend to migrate at night, making them hard to observe visually. For this project we got to work with a dataset containing observations from 5 weather radars in Belgium and the Netherlands over a 7-day period. You can see both static, interactive and animated results on

Now image this on a Europe-wide scale…

Two example visualisations of bird migration flowpaths over Belgium and The Netherlands.

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