Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Data Meteosat Metop Tags MFG MSG Metop-A Asia Himawari AHI AVHRR SEVIRI MTG Date 2015 Date April SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 27 April 03:00 UTC–29 April 2015 04:40 UTC Large dust cloud over parts of Asia Large dust outbreak over parts of Asia at the end of April 2015.