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 Metop Sentinel Tags Europe VIIRS AVHRR GOME-2 MSG OLCI SEVIRI Third Party MTG Sentinel-3 Africa Metop-C NOAA Metop-A Metop-B Metop Asia Terra/Aqua SNPP MODIS Date 2022 2021 2020 2016 2015 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 21 June 2021, 00:00-23:45 UTC Storm Ahti causes damage in northern Finland On 21 June 2021 Storm Ahti caused widespread damage and flooding in northern Finland. Case study 8 January 2021 09:00 UTC-11 January 13:00 UTC Heavy snow in parts of Spain Parts of central Spain saw their heaviest snowfalls in decades in January 2021. Case study 18 April 2020 00:00 UTC-22 April 23:00 UTC Extensive DIBS in the Deformation Zone Pockmarked DIBS cloud, produced by a cyclone, entered an elongated deformation zone. 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 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 22 March 2016 00:00 UTC–24 March 06:00 UTC Cyclone Ivan brings massive dust storm Cyclone Ivan brought an impressive low carrying huge amounts of dust to parts of Europe. 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.