Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Data Sentinel Ocean Tags Polar OLCI Sentinel-3 Europe 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.