Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Atmospheric composition Ocean Weather Data Meteosat Sentinel Tags SEVIRI Africa MSG OLCI MTG Sentinel-3 Europe Asia GOES SNPP VIIRS ABI Atlantic Ocean Indian Ocean Date 2020 Date February March June November December SHOW ALL Sort by Start Date Order Ascending Descending 5 results Case study 25 December 2020 00:00 UTC-2 January 2021 09:00 UTC Chalane crosses southern African subcontinent Tropical Storm Chalane landfall in Madagascar and Mozambique, then the entire South African subcontinent. Case study 21 November 2020 12:00 UTC-23 November 12:00 UTC Tropical Cyclone Gati historic landfall in Somalia Tropical Cyclone Gati was the strongest tropical cyclone on record to make landfall in Somalia, in late November 2020. Case study 5 June 2020 00:00 UTC–26 June 21:00 UTC Exceptional Saharan dust transport over the Atlantic In June, large amounts of Saharan dust travelled all the way to the Caribbean and the US. Case study 23 March 2020 04:00 UTC–27 March 18:00 UTC Aralkum Desert dust pollutes air in south-east Europe High values of particulate matterwere recorded in many places across South-East Europe. Case study 22-27 February 2020, Various times Dust over the Canaries Record dense dust over the Canary Islands originates near the African coast.