Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Atmospheric composition Data Weather Meteosat Metop Sentinel Tags SEVIRI AMSU AVHRR MSG OLCI MTG Sentinel-3 Africa Atmosphere NOAA Metop-A Metop-B Metop Europe Asia GOES SNPP VIIRS ABI Date 2020 Date February March April June September November December SHOW ALL Sort by Start Date Order Ascending Descending 8 results Case study 4 December 2020 00:00 UTC-10 December 09:00 UTC Nearly-record snowfall in the western Alps Winter 2020 started with more than 2 m snow in the Alps and an extreme amount of rain. Case study 25 November 2020 00:00 UTC-27 November 09:00 UTC Anticyclone with very dry air in mid troposphere During last week of November 2020, a very stable anticyclone formed over central Europe. Case study 30 September 2020 09:00 UTC and 3 October 00:00 UTC Large dust clouds over northern Europe Largest European-made dust clouds ever seen in Meteosat imagery in autumn 2020. Case study 5 June 2020 00:00 UTC–26 June 21:00 UTC Exceptional Saharan dust transport over the Atlantic In June, large amounts of Saharan dust travelled all the way to the Caribbean and the US. Case study 18 April 2020 00:00 UTC-22 April 23:00 UTC Extensive DIBS in the Deformation Zone Pockmarked DIBS cloud, produced by a cyclone, entered an elongated deformation zone. Case study 23 March 2020 04:00 UTC–27 March 18:00 UTC Aralkum Desert dust pollutes air in south-east Europe High values of particulate matterwere recorded in many places across South-East Europe. Case study 24 February 2020 15:00 UTC and 25 February 13:00–23:45 UTC Dusty Dry Conveyor Belt The Dry Conveyor Belt (DCB) could be traced in satellite imagery in February 2020. Case study 22-27 February 2020, Various times Dust over the Canaries Record dense dust over the Canary Islands originates near the African coast.