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 Weather Meteosat Atmospheric Composition Tags SEVIRI NOAA Terra/Aqua AMSU AVHRR Meteosat Second Generation (MSG) MHS Europe Asia GOES MODIS Date 2012 2011 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 27 December 2012 00:00 UTC EUMETSAT Science Blog Record-breaking snow in Moscow and Montreal Record-breaking snow in Moscow and Montreal in 2012 — a tale of two cities Case study 21 January 2011 00:00 UTC EUMETSAT Science Blog Pollution causes cloud-free gaps in clouds Elongated cloud-free gaps in stratus clouds caused by industrial air pollution.