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 Land Weather Data Science Meteosat Metop Sentinel Tags Meteosat Second Generation (MSG) SEVIRI ASCAT OLCI Satellite Applications Facility (SAF) Third Party Sentinel-3 Africa Metop-C NOAA IODC Metop-A Metop-B Europe Asia Himawari GOES Terra/Aqua SNPP MODIS VIIRS ABI AHI Atlantic Ocean Indian Ocean Date 2021 Date January February March April May June September October November December SHOW ALL Sort by Start Date Order Ascending Descending 26 results Case study 29 December 2021-4 January 2022 Persistent fog/low cloud over Mediterranean Sea Large area of the Mediterranean Sea covered by fog/low clouds for several days in winter 2021/22. Case study 16 November 2021, 00:00 UTC-17 November Haze over India Layer of haze covering the sky over India in November 2021 Case study 23 October-2 November 2021 Multiple severe rain events in western Med & N Africa Between 23 Oct and 2 Nov 2021, a series of upper-level lows caused disturbances in the Mediterranean/northern Africa area. Case study 22 October 2021 12:00 UTC Heavy drizzle on the north side of Madeira Warm rain clouds over Madeira in October 2021. Case study 4 October 00:00 UTC-5 October 19:00 UTC Record-breaking rainfall in northern Italy Northwestern Italy had a record-breaking year's worth of rain in 24 hours on 4 October 2021. Case study 1 October 2021, 07:00-19:00 UTC Gravity waves over Cumbre Vieja volcano Eruptions from the Cumbre Vieja volcano caused unique gravity wave oscillations though clouds, October 2021. Case study 19 September 2021 12:00 UTC-4 October 15:00 UTC Cumbre Vieja volcano eruption The Cumbre Vieja volcano on the Canary Island of La Palma erupted on 19 September 2021. 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 15 June 2021 14:56 UTC Strong dust devil in heated Rhine valley Strong wind vortex in heated Rhine valley in June 2021. Case study 3-6 June 2021 Early June convection: rain or hail? Forecasting rain or hail from summer 2021 convection events. Case study 22 May 2021, 18:00 UTC to 23 May, 17:15 UTC Destructive eruption of volcano Nyiragongo In the evening of 22 May 2021 volcano Nyiragongo started to erupt, threatening life and property. Case study 17 May 2021 02:30-13:00 UTC and 18 May 01:00 UTC Tropical Cyclone Tauktae Tropical Cyclone Tauktae made landfall in the Indian state of Gujarat on 17 May 2021. Load More