Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Sentinel Satellites Atmospheric Composition Ocean Meteosat Tags Sentinel-3 Asia Meteosat Second Generation (MSG) OLCI SEVIRI Date 2019 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 5 and 6 January 2019 03:00–13:00 UTC Outflow of winter smog over north Indian Ocean On 6 January 2019 Indian winter smog spread over the north Indian Ocean. Case study 5 January 2019 Tackling issues of underwater imaging using Sentinel-3 Ocean colour satellites can be used to measure light attenuation in the water column – a crucial factor when processing images.