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 Data Metop Climate Land Weather Meteosat Sentinel Jason Tags GOME-2 Metop-B ASCAT AVHRR MFG MSG OLCI SEVIRI Third Party Sentinel-3 Sentinel-6 Africa Altimeters Copernicus IASI Metop-C NOAA Metop-A Metop Europe Asia Himawari GOES Terra/Aqua SNPP MODIS VIIRS ABI AHI Polar Pacific Ocean Date 2022 2021 2020 2016 2014 2001 SHOW ALL Sort by Start Date Order Ascending Descending 7 results Case study 21-26 April and 4-5 May 2022 Springtime dust outbreaks During late April and early May 2022 numerous dust outbreaks affected the Mediterranean basin area. Case study 13 January 2022 15:00-23:50 UTC and 14 January 04:51 UTC-17 January 04:30 UTC Hunga Tonga-Hunga Ha'apai major eruptions In January 2022 the underwater volcano Hunga Tonga-Hunga Ha'apai in the Pacific Ocean erupted a number of times. Case study 9-12 April 2021 Major eruption of La Soufrière volcano Major eruption of the Caribbean volcano La Soufrière in early April 2021. 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. Case study 13 September 2016 Measuring ozone from space Looking at using satellites to measure ozone on the UN’s International Day for the Preservation of the Ozone Layer. Case study 1 April 02:56 UTC–2 April 2014 02:58 High air pollution in parts of Western Europe On 1 April GOME-2 instruments on Metop-A and -B observed elevated levels of NO2 total column concentration over parts of Europe. Case study Monitoring Mount Etna for more than 20 years Here we take look back at cases since 2001, which have focused on Mount Etna.