Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Filter by Categories Satellites Atmospheric Composition Land Ocean Weather Meteosat Sentinel Tags Meteosat First Generation (MFG) Meteosat Second Generation (MSG) MVIRI OLCI SEVIRI Meteosat Third Generation (MTG) Sentinel-3 Africa Europe Himawari SNPP VIIRS ABI AHI GOES Polar Date 2018 2016 2 results Sort by Start Date Order Ascending Descending Sort Friday, 21 December 2018 21 December 2018 03:00 UTC EUMETSAT Science Blog 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. Tuesday, 9 January 2018 January–December 2017 EUMETSAT Science Blog Image Library top ten for 2017 A look at our most popular case studies from 2017.