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 Meteosat Satellites Weather Tags Meteosat Second Generation (MSG) Africa Date 2012 Date May SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 26 May 2012 22:00 UTC EUMETSAT Science Blog Heavy dust accumulation in Sudan and Niger Dust, lifted by convection, developed, again this year, above the Sahara.