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 Meteosat Weather Data Tags Africa Europe MSG SEVIRI Date 2007 SHOW ALL Sort by Start Date Order Ascending Descending 1 result 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.