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 Tags MSG Africa AVHRR SEVIRI Metop-A Metop Europe Asia SW Pacific S America Himawari GOES Terra/Aqua MODIS Date 2011 Date April June August SHOW ALL Sort by Start Date Order Ascending Descending 3 results 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 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.