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 Europe VIIRS Meteosat Second Generation (MSG) SEVIRI SNPP Date 2016 Date March November SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 29 November 2016 11:16 UTC and 12:53 UTC EUMETSAT Science Blog VIIRS double view of snowy Alps On 29 November 2016 the VIIRS instrument on Suomi-NPP covered the Alps in two consecutive day orbits. This does not happen very often. Case study 22 March 2016 00:00 UTC–24 March 06:00 UTC EUMETSAT Science Blog Cyclone Ivan brings massive dust storm Cyclone Ivan brought an impressive low that carried huge amounts of dust to parts of Europe at the end of March.