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 Data Weather Meteosat Tags Africa Europe Asia MSG SEVIRI SNPP VIIRS Date 2015 Date February September SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 6 September 2015 06:00 UTC—10 September 06:00 UTC Large dust cloud over the Middle East Parts of the Middle East shrouded in a persistent dust cloud in early September 2015. 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 up to 100km/h, caused widespread disruption across the Middle East.