Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Weather Atmospheric composition Data Meteosat Metop Tags MSG SEVIRI Africa VIIRS ASCAT AVHRR GOME-2 MVIRI MTG Metop-C NOAA RSS Metop-A Metop-B Metop Europe Asia S America GOES Terra/Aqua SNPP MODIS ABI Date 2022 2020 2016 2015 2007 2002 SHOW ALL Sort by Start Date Order Ascending Descending 10 results Case study 21-26 April and 4-5 May 2022 Springtime dust outbreaks In Spring 2022, numerous dust outbreaks affected the Mediterranean basin area. Case study 5 June 2020 00:00 UTC–26 June 21:00 UTC Exceptional Saharan dust transport over the Atlantic In June, large amounts of Saharan dust travelled all the way to the Caribbean and the US. 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 26 June 2016 03:00 UTC Gravity waves over the South Atlantic Interplay of atmospheric gravity waves over the South Atlantic off the African coast. Case study 1 and 2 April 2016 12:00 UTC and 01:50 UTC Saharan dust causes temperature drop Europe saw a significant drop in temperatures due to a large cloud of Saharan dust. Case study 18 February 2016 12:00 UTC–22 February 00:00 UTC Unusual heavy snowfalls in the Canary Islands The snow started to fall on 18 February and continued to fall on 19 and 20 February. 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 31 January 2015 13:00 UTC–1 February 06:00 UTC Dust travels from Algeria to the Black Sea Large dust plume swept north east from Africa, over the Mediterranean Sea in early 2015. Case study 18 February 2007-2 November 2021 Mediterranean cyclones Collection of cases showing how medicanes are seen in satellite imagery. Case study 20 February 2002 00:00 UTC-18 December 2019 00:00 UTC Mountain waves in satellite imagery Mountain waves as seen in satellite imagery from 2002-2019.