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 Weather Data Meteosat Metop Sentinel Tags MSG AVHRR SEVIRI SLSTR Sentinel-3 Africa Metop-A Europe Asia SNPP VIIRS Date 2016 Date February March April November SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 21 November 04:00 UTC–22 November 2016 19:00 UTC Dust over the Sea of Oman Large area of dust seen by MSG and Sentinel-3A as it travelled across the Middle East. Case study 1 and 2 April 2016 12:00 UTC and 01:50 UTC Saharan dust causes temperature drop Europe saw a significant drop in temperatures due to a large cloud of Saharan dust. Case study 22 March 2016 00:00 UTC–24 March 06:00 UTC Cyclone Ivan brings massive dust storm Cyclone Ivan brought an impressive low carrying huge amounts of dust to parts of Europe. Case study 18 February 2016 12:00 UTC–22 February 00:00 UTC Unusual heavy snowfalls in the Canary Islands The snow started to fall on 18 February and continued to fall on 19 and 20 February.