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 Meteosat Weather Data Tags Africa Europe Asia MSG SEVIRI Terra/Aqua SNPP MODIS VIIRS Date 2020 2015 2008 SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 23 March 2020 04:00 UTC–27 March 18:00 UTC Aralkum Desert dust pollutes air in south-east Europe High values of particulate matterwere recorded in many places across South-East Europe. Case study 6 September 2015 06:00 UTC—10 September 06:00 UTC Large dust cloud over the Middle East Parts of the Middle East shrouded in a persistent dust cloud in early September 2015. Case study 10 February 2015 06:00 UTC–13 February 12:00 UTC Large sandstorm covers swathes of the Middle East A sandstorm with winds up to 100km/h, caused widespread disruption across the Middle East. Case study 23 March 2008 00:00 UTC Forecasting coloured rain in Bulgaria Forecasting coloured rain in Bulgaria in March 2008.