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 Atmospheric composition Data Meteosat Tags MSG SEVIRI Asia OLCI Sentinel-3 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.