Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Meteosat Satellites Atmospheric Composition Data Metop Tags Meteosat Second Generation (MSG) Himawari AVHRR Meteosat First Generation (MFG) SEVIRI Meteosat Third Generation (MTG) Metop-A EPS Europe Asia Terra/Aqua SNPP AHI Date 2015 Date April December SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study January–December 2016 Image Library top ten for 2016 A look at our most popular case studies from 2016. Case study 3 December 2015 02:00 UTC–05 December 04:00 UTC Mount Etna eruption in winter 2015 On 3 December 2015, for the first time in two years Mount Etna, erupted. Case study 27 April 03:00 UTC–29 April 2015 04:40 UTC Large dust cloud over parts of Asia Large dust outbreak over parts of Asia at the end of April 2015.