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