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 Meteosat Metop Tags GOME-2 Meteosat Second Generation (MSG) IASI Metop-A SEVIRI Africa Europe Asia GOES Date 2008 Date August November SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 3 November 2008 18:00 UTC Large SO2 plume from Erta Ale volcano Large SO2 plume from Erta Ale crossed the Red Sea towards Yemen in Nov 2008. Case study 14 August 2008 00:00 UTC SO2 plumes from the Kasatochi eruption Sulphur dioxide (SO2) plumes from the Kasatochi eruption circled the whole northern hemisphere over more than 20 days.