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 Meteosat Metop Tags AVHRR MSG SEVIRI Africa NOAA Metop-A Metop Europe Asia SW Pacific S America Himawari GOES Terra/Aqua MODIS Date 2011 Date January March April May June August September SHOW ALL Sort by Start Date Order Ascending Descending 8 results Case study 16 September 2011 05:00 UTC Smoke from Minnesota fires over Europe A smoke plume, from the fires in Minnesota on 12 September, reached Europe. Case study 17 August 2011 23:00 UTC Three major Saharan dust squalls Outflow from Intertropical Convergence Zone (ITCZ) caused three major dust squalls in August 2011. Case study 4 June-1 July 2011 Chilean volcanic eruption Meteosat-9 observes Chilean volcanic eruption. Case study 3 May 2011 04:00 UTC Dusty cirrus over Romania This Meteosat-8 HRV animation shows the impact of dust aerosols on the macro-physical structure. Case study 7 April 2011 12:00 UTC Thick dust clouds over the Iberian Peninsula A cloud of dust (pink) is lifted over the Algerian Sahara, under the cloud deck of a low-pressure system centred over Morocco. Case study 26 March 2011 09:00 UTC Arabia dust Meteosat-9 observes a large dust storm racing southwards over the Arabian Peninsula. Case study 31 January 2011 00:46 UTC Kirishima and winter in Japan This Metop-A image shows a cold air outbreak from eastern Asia toward the Pacific Ocean, producing many cloud streets. Case study 21 January 2011 00:00 UTC Pollution causes cloud-free gaps in clouds Elongated cloud-free gaps in stratus clouds caused by industrial air pollution.