Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Meteosat Sentinel Atmospheric composition Data Tags Sentinel-3 Asia MSG OLCI SEVIRI Date 2019 Date January SHOW ALL Sort by Start Date Order Ascending Descending 1 result 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.