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 Sentinel Land Data Meteosat Metop Tags Metop-A Metop-B ASCAT AVHRR GOME-2 MFG MSG SEVIRI Sentinel-3 IASI Metop Europe Asia Himawari GOES Terra/Aqua SNPP MODIS VIIRS ABI Date 2021 2020 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 22 July 2001-11 March 2021 Monitoring Mount Etna for more than 20 years Here we take look back at cases since 2001, which have focused on Mount Etna. Case study Jan, Feb, March 2007-2020 Pollution levels drop during COVID-19 lockdown The COVID-19 lockdown in early 2020 had a visible effect on pollution.