Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Meteosat Metop Satellites Weather Tags AVHRR Meteosat Second Generation (MSG) VIIRS SEVIRI Metop-A Metop-B Europe SNPP Date 2013 SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 6 November 2013 10:30–14:30 UTC EUMETSAT Science Blog Distrails over Central Europe A distrail, short for dissipation trail, forms when an aircraft flies through a supercooled cloud.