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 Data Meteosat Metop Tags MSG Africa Europe GOME-2 SEVIRI Metop-A Asia Date 2007 Date February March April August SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 8 August 2007 00:00 UTC 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 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. Case study 9 March 2007 00:00 UTC Clouds spreading from Mount Etna Close-up of a frontal cloud system related to a cyclone over Tunisia in March 2007. Case study 22 February 2007 00:00 UTC Large dust swirl over Algeria Large-scale dust cloud over northern Africa caused by a cold air outbreak in February 2007.