Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Land Atmospheric composition Weather Data Meteosat Metop Tags SEVIRI Asia AVHRR GOME-2 MFG MSG MVIRI Africa Metop-A Europe Terra/Aqua MODIS Date 2007 Date April June SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study 4 June 2007 00:00 UTC Category 4 tropical cyclone Gonu hits Oman On 3–8 June 2007 a tropical cyclone developed into category 4 storm Gonu. 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.