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 Weather Meteosat Metop Atmospheric Composition Tags Meteosat Second Generation (MSG) IASI AVHRR GOME-2 SEVIRI Metop-A Metop-B Europe Asia Terra/Aqua MODIS Date 2014 2008 SHOW ALL Sort by Start Date Order Ascending Descending 2 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 9 August 2008 17:12 UTC EUMETSAT Science Blog Ring-shape convective storms Ring-shape convective storms over the south-eastern part of Rub al Khali.