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Hurricane Harvey

25 August 2017

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The Copernicus Sentinel-3A satellite saw the temperature at the top of Hurricane Harvey on 25 August 2017 at 04:06 GMT as the storm approached the US state of Texas.

The brightness temperature of the clouds at the top of the storm, some 12–15km above the ocean, range from about –80°C near the eye of the storm to about 20°C at the edges.

Hurricanes are one of the forces of nature that can be tracked only by satellites, providing up-to-date imagery so that authorities know when to take precautionary measures. Satellites deliver information on a storm's extent, wind speed and path, and on key features such as cloud thickness, temperature, and water and ice content.

Sentinel-3's Sea and Land Surface Temperature Radiometer measures energy radiating from Earth's surface in nine spectral bands and two viewing angles.

Hurricane Harvey

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Sentinel-5P launch preparations in full swing

14 September 2017

With liftoff set for 13 October, engineers at Russia's Plesetsk launch site are steaming ahead with the task of getting Europe's next Copernicus satellite ready for its journey into orbit.
Sentinel-5P being lifted into position
The Sentinel-5P satellite has been at Plesetsk in northern Russia for almost two weeks. So far, it has been taken out of its transport container, positioned for testing and engineers have started ticking off the jobs on the long ‘to do' list.