Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Atmospheric Composition Weather Meteosat Metop Tags GOME-2 Meteosat Second Generation (MSG) SEVIRI Europe IASI Metop-A Metop-B Asia GOES Date 2014 2008 SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study 1 April 02:56 UTC–2 April 2014 02:58 EUMETSAT Science Blog High air pollution in parts of Western Europe On 1 April GOME-2 instruments on Metop-A and -B observed elevated levels of NO2 total column concentration over parts of Europe. Case study 14 August 2008 00:00 UTC EUMETSAT Science Blog SO2 plumes from the Kasatochi eruption Sulphur dioxide (SO2) plumes from the Kasatochi eruption circled the whole northern hemisphere over more than 20 days. Case study 10 May 2008 00:00 UTC EUMETSAT Science Blog Etna eruptions Metop-A and MSG observe Etna eruptions.