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 Meteosat Data Tags Europe Meteosat Second Generation (MSG) Date 2009 Date May SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 4 May 2009 05:00 UTC Contrails over western Europe Contrails over western Europe seen by Meteosat-9.