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 Meteosat Weather Tags SEVIRI Africa Terra/Aqua MODIS Meteosat Second Generation (MSG) Date 2015 Date January SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 12 January 2015 11:30 UTC Large dust cloud over the Canary Islands Around the 12 January, a high layer of dust moved from north-western Africa covering the area around the Canary Islands, impacting visibility.