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 Land Weather Meteosat Data Metop Tags Africa GOME-2 Meteosat Second Generation (MSG) SEVIRI Metop-A Europe Asia Date 2007 Date April August SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 8 August 2007 00:00 UTC EUMETSAT Science Blog West African monsoon crosses the Sahara desert In Africa in 2007, the summer storms of the long rains have been notable. Case study 7 April 2007 00:00 UTC EUMETSAT Science Blog New eruption of Mount Piton de la Fournaise, Reunion In April 2007, the Piton de la Fournaise volcano in eastern Reunion, a French overseas department, was erupting for more than a week.