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 Meteosat Data Tags MSG SEVIRI Africa Asia S America Date 2009 Date March July August November SHOW ALL Sort by Start Date Order Ascending Descending 4 results 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. Case study 1 August 2009 21:00 UTC Dust-laden Saharan air over the Atlantic Is dust-laden Saharan air over the Atlantic delaying hurricane season? Case study 21 July 2009 00:00 UTC Zonda wind carries dust across Bolivia & Argentina Example of the viento blanco and viento zonda carrying large amounts of dust across Bolivia and Argentina. Case study 10 March 2009 09:00 UTC Spectacular dust squall over Riyadh On 10 March 2009 one of the worst dust storms in a decade engulfed Riyadh.