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 Weather Data Metop Tags MSG AVHRR SEVIRI Metop-A Europe Terra/Aqua MODIS Date 2009 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 23 January 2009 00:00 UTC Western Europe hit by worst storm in a decade In January 2009, Western Europe was hit by an extremely severe storm. Case study 9 January 2009 00:00 UTC Very low temperatures & snow across parts of Europe Freezing temperatures, combined with heavy snow in the first 10 days of January 2009.