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 MSG SEVIRI OLCI Sentinel-3 Asia Date 2019 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.