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 MSG SEVIRI Africa IASI GOME-2 Metop-A Asia Date 2008 Date November SHOW ALL Sort by Start Date Order Ascending Descending 1 result 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.