High above Earth, satellites like the European Union's Copernicus Sentinel-2 watch and track storms such as Hurricane Melissa, a category 5 maelstrom. These satellites help keep continuous eyes on the tempest and provide valuable data about how these natural disasters form and how they can impact communities in a changing world.

What is it?

The Copernicus program is an initiative by the European Union to monitor Earth. It comprises several families of "Sentinel" satellites, each operated by the European Space Agency and tasked with different sensing capabilities: land, ocean and atmosphere.

Because the data is freely available to researchers under the Copernicus program, scientists can support disaster management, build better early warning systems, and have better insights into how glo

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