Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Land Metop Atmospheric composition Weather Data Meteosat Sentinel Jason Tags Sentinel-3 ASCAT AVHRR GOME-2 MSG OLCI SEVIRI Third Party Sentinel-6 Altimeters Copernicus Metop-C NOAA Metop-B Metop Europe Himawari GOES ABI AHI Pacific Ocean Date 2022 2021 2019 SHOW ALL Sort by Start Date Order Ascending Descending 3 results 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 28-29 July 2021 Large smoke plume from wildfires in Russia In summer 2021 Russia saw unprecedented widespread wildfires ravage large swathes of Siberia. Case study June and July 2019 European heatwaves in summer 2019 Maximum temperature records were broken in many parts of Europe, due to heatwaves.