Satellites map floods in western Europe

Record rainfall has caused swollen rivers to burst their banks and wash away homes and other buildings in western Europe - leading to more than 90 casualties and over 1000 people missing. Data from the Copernicus Sentinel-1 mission are being used to map flooded areas to help relief efforts.

The German states of Rhineland-Palatinate and North Rhine-Westphalia were among the worst hit by the torrential rainfall, with water levels rising in the Rhine River, as well as the Walloon Region in Belgium. The storms and high waters have also battered neighbouring Switzerland, the Netherlands and Luxembourg.

This radar image uses information from two separate acquisitions captured by the Sentinel-1 mission on 3 July and 15 July 2021, and it shows the extent of the flooding in red. Radar images acquired before and after flooding disasters offer immediate information on the extent of inundation and have proved useful in monitoring floods, thanks to Sentinel-1's ability to 'see' through clouds and rain.

The mission has been supplying imagery through the Copernicus Emergency Mapping Service to aid relief efforts. The devastating floods has triggered four activations in the Copernicus Emergency Mapping Service, in Western Germany, Belgium, Switzerland and the Netherlands.

The service uses observations from multiple satellites to provide on-demand mapping to help civil protection authorities and the international humanitarian community in the face of major emergencies.

Related Links
Copernicus Sentinel-1 at ESA
Bringing Order To A World Of Disasters
When the Earth Quakes
A world of storm and tempest

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Why have the floods in Europe been so deadly?
Berlin (AFP) July 17, 2021
Devastating floods in Germany and other parts of western Europe have been described as a "catastrophe", a "war zone" and "unprecedented". With more than 150 people dead and the toll still climbing, many are asking: How did this happen and why has it been so bad? - Exceptional weather - "Masses of air loaded with water had been blocked at high altitude by cold temperatures, which made them stagnate for four days over the region," Jean Jouzel, a climatologist and former vice-president of the I ... read more