Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Atmospheric Composition Land Data Meteosat Sentinel Tags Meteosat Second Generation (MSG) SEVIRI Africa SNPP VIIRS OLCI Sentinel-3 Europe Terra/Aqua MODIS Date 2021 Date May October SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 23 October 2021-2 November EUMETSAT Science Blog Multiple severe rain events in western Med & N Africa Between 23 Oct and 2 Nov 2021, a series of upper-level lows caused disturbances in the Mediterranean/northern Africa area. Case study 22 May 2021, 18:00 UTC to 23 May, 17:15 UTC EUMETSAT Science Blog Destructive eruption of volcano Nyiragongo In the evening of 22 May 2021 volcano Nyiragongo started to erupt, threatening life and property.