Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Filter by Categories Satellites Atmospheric Composition Land Weather Meteosat Metop Sentinel Tags AVHRR GOME-2 Meteosat Second Generation (MSG) SEVIRI Sentinel-3 Africa EPS Europe Asia SW Pacific GOES Terra/Aqua MODIS IASI Date 2014 2013 2011 2010 2008 8 results Sort by Start Date Order Ascending Descending Sort Thursday, 4 December 2014 04 December 2014 01:00 UTC–05 December 01:03 UTC EUMETSAT Science Blog Typhoon Hagupit Typhoon Hagupit seen by Metop-B on 4 December. Monday, 26 August 2013 26 August 2013 03:04 UTC EUMETSAT Science Blog Tropical depression Fernand Fernand made landfall near Veracruz in Mexico, causing mudslides and flash flooding. Saturday, 21 May 2011 21 May 2011 00:00 UTC EUMETSAT Science Blog Grimsvötn volcanic ash and SO2 plumes EUMETSAT satellites follow Grímsvötn volcanic ash and sulphur dioxide plumes. Sunday, 15 August 2010 15 August 2010 00:00 UTC EUMETSAT Science Blog Russian carbon monoxide Imagery derived from the Metop-A IASI instrument shows carbon monoxide (CO) over Russia produced by the wild fires. Monday, 3 November 2008 03 November 2008 18:00 UTC EUMETSAT Science Blog Eruption in the volcano range of Erta Ale, Ethiopia Large SO2 plume (in green) from Erta Ale volcano in Ethiopia crosses the Red Sea towards Yemen. Thursday, 14 August 2008 14 August 2008 00:00 UTC EUMETSAT Science Blog SO2 plumes from the Kasatochi eruption Sulphur dioxide (SO2) plumes from the Kasatochi eruption circled the whole northern hemisphere over more than 20 days. Saturday, 9 August 2008 09 August 2008 17:12 UTC EUMETSAT Science Blog Ring-shape convective storms Ring-shape convective storms over the south-eastern part of Rub al Khali. Friday, 1 May 2020 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.