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 Data Meteosat Metop Sentinel Tags MSG SEVIRI Metop-A AMSU ASCAT AVHRR OLCI MTG Sentinel-3 NOAA Metop-B Metop Europe SNPP VIIRS Date 2020 Date March April October December SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 4 December 2020 00:00 UTC-10 December 09:00 UTC Nearly-record snowfall in the western Alps Winter 2020 started with more than 2 m snow in the Alps and an extreme amount of rain. Case study 1 October 2020 06:00 UTC-4 October 06:00 UTC Storms hit France in early October Europe was hit by extensive storms, extreme rainfall and flooding in early October 2020. Case study 18 April 2020 00:00 UTC-22 April 23:00 UTC Extensive DIBS in the Deformation Zone Pockmarked DIBS cloud, produced by a cyclone, entered an elongated deformation zone. Case study 9 March 2020 00:00 UTC–10 March 23:00 UTC Cross-Atlantic moisture transport Moisture transport from sub-tropical Atlantic brought precipitation to parts of Europe.