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 Meteosat Weather Data Tags MSG Africa SEVIRI Terra/Aqua MODIS Date 2004 Date March May SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 10 May 2004 and 29 November 2006 11:00 UTC New eruption of Mount Nyamuragira Eruptions of Nyamuragira in 2004 and 2006 seen in satellite imagery. Case study 3 March 2004 00:56 UTC-10 March 12:00 UTC Sahara dust outbreak across the Atlantic In early 2004, a huge arc of thick dust formed over the Canary Islands for days.