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 Weather Data Meteosat Metop Sentinel Tags Sentinel-3 Metop-A Metop Europe AVHRR GOME-2 MSG OLCI SEVIRI MTG IASI NOAA Metop-B 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 Extensive DIBS in the Deformation Zone Pockmarked DIBS cloud, produced by a cyclone, entered an elongated deformation zone. 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.