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 Africa MSG SEVIRI Date 2009 Date November SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 18 November 2009 00:00 UTC Pulsing dust release from the Bodele Depression Pulsing dust release from the Bodele Depression northern Chad in November 2009.