Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Ocean Data Sentinel Tags Europe Polar OLCI Sentinel-3 Asia Date 2017 Date March SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 2 March 2017, 28 April, 7 May, 16 July, 30 July, 11 August and 21 August 2018 Phytoplankton blooms spotted by Sentinel-3 Variety of species of phytoplankton that bloom in oceans and lakes in 2017 & 2018.