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 Land Ocean Weather Data Meteosat Sentinel Tags Meteosat Second Generation (MSG) OLCI GOES Polar Meteosat First Generation (MFG) MVIRI SEVIRI Meteosat Third Generation (MTG) Sentinel-3 Africa Europe Himawari SNPP VIIRS ABI AHI Date 2018 2016 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 21 December 2018 03:00 UTC December solstice near the southern polar circle December solstice occurred in 2018 at 22:23 UTC on 21 December and could be 'seen' in satellite imagery. Case study January–December 2017 Image Library top ten for 2017 A look at our most popular case studies from 2017.