Sahara sand falls upon the Pyrenees snow

Sentinel-3 OLCI FR acquired on 05 February 2021 from 10:13:09 to 10:16:09 UTC
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Sentinel-5P TROPOMI AER_AI acquired on 06 February 2021 from 11:30:43 to 13:10:43 UTC
Sentinel-2 MSI acquired on 07 February 2021 at 11:02:21 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Atmosphere, wind, snow, mountain range, sand, dust, Sahara, Pyrenees, Spain, France, Andorra
Fig. 1 - S5P TROPOMi (06.02.2021) - Aerosol - Blown by strong winds, sand & dust has traveled fast from the Sahara to the European continent.
Fig. 2 - S3 OLCI (06.02.2021) - Spain, south of France, Switzerland and Italy have seen the sky turn yellow to orange during the day.
Fig. 3 - S2 (07.02.2021) - The snow took beige to orange tones in the western Pyrenees.
Fig. 4 - S2 (11.02.2021) - Further east around Andorra, it is mostly south and west facing facets and ridges that have been colored.
Fig. 5 - S2 (11.02.2021) - By increasing the albedo the the snow it deposits on, this dust causes a faster melt of the snow layer.
Fig. 6 - S2 (11.02.2021) - Deposits in the eastern Pyrenees.