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 AVHRR MSG Metop-A Asia AHI MFG SEVIRI MTG Himawari Date 2015 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.