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 Metop Tags Africa VIIRS AVHRR Meteosat Second Generation (MSG) SEVIRI EPS Europe Asia SNPP Date 2015 Date January February April SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study 01 April 2015 23:00 UTC Spectrum of dust colours over Arabian Peninsula A dust storm formed rapidly over the Arabian peninsula on 1 April. 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 31 January 2015 13:00 UTC– 1 February 06:00 UTC Dust travels from Algeria to the Black Sea In late January/early February a large dust plume swept north east from Africa and over the Mediterranean Sea.