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 Tags SEVIRI Africa Asia Meteosat Second Generation (MSG) Europe SNPP VIIRS Date 2020 2017 2015 2014 SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 23 March 2020 04:00 UTC–27 March 18:00 UTC Aralkum Desert dust pollutes air in south-east Europe High values of particulate matter (PM10) were recorded in the air in many places across South-East Europe on 27 March 2020. Case study 30 May 2017 00:00 UTC–4 June 12:00 UTC Dust outbreak in the Middle East and Africa In late May/early June 2017, for the first time since it moved to its new IODC position Meteosat-8 spotted a significant dust event. Case study 10 February 2015 06:00 UTC–13 February 12:00 UTC Large sandstorm covers swathes of the Middle East A sandstorm, with winds reaching 100 km/h, caused widespread disruption across the Middle East in early February. Case study January–December 2015 Image Library top ten for 2015 A look at our most popular case studies from 2015.