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 Weather Data Meteosat Tags SEVIRI Africa Terra/Aqua MODIS Meteosat Second Generation (MSG) Asia Date 2004 Date May July August SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study 25 August 2004 00:00 UTC EUMETSAT Science Blog Dust storm over the Canary Islands On 25 August 2004 a large plume of Saharan desert dust blew over the Canary Islands. Case study 12 July 2004 12:00 UTC EUMETSAT Science Blog Volcanic eruption of Mt. Nyiragongo On 12 July 2004 Meteosat-8 observed an eruption of the Nyiragongo volcano. Case study 13 May 2004 12:00 UTC EUMETSAT Science Blog Large dust storms over Sudan, Libya & the Middle East On 13 May 2004, Meteosat-8 observed five major dust storms within a satellite field of view of about 1200 x 900 pixels.