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 Satellites Weather Meteosat Metop Sentinel Tags Sentinel-3 Europe AVHRR GOME-2 Meteosat Second Generation (MSG) OLCI SEVIRI Meteosat Third Generation (MTG) IASI NOAA Metop-A Metop-B EPS Asia SNPP VIIRS Date 2020 Date January April SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 18 April 2020 00:00 UTC-22 April 23:00 UTC EUMETSAT Science Blog Extensive DIBS in the Deformation Zone In April 2020, pockmarked DIBS cloud, produced by a cyclone over the Mediterranean Sea, entered an elongated deformation zone. Case study Jan, Feb, March 2007-2020 EUMETSAT Science Blog Pollution levels drop during COVID-19 lockdown The COVID-19 lockdown in early 2020 had a visible effect on pollution.