Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Land Weather Data Meteosat Metop Tags Asia Himawari AHI ASCAT AVHRR Meteosat First Generation (MFG) Meteosat Second Generation (MSG) SEVIRI Meteosat Third Generation (MTG) Metop-A EPS Date 2015 Date April July August SHOW ALL Sort by Start Date Order Ascending Descending 4 results Case study 20 August 2015 00:00 UTC and 25 August 12:00 UTC Typhoon Atsani transitions into extra-tropical low In August Atsani transitioned from a Category 5 super typhoon into a powerful extra-tropical storm. Case study 3 August 2015 00:00 UTC–4 August 23:00 UTC, 6 August 00:35 UTC Typhoon Soudelor moving towards Taiwan Typhoon Soudelor as it crossed over the West Pacific in August 2015. Case study 13 July 2015 00:00 UTC and 16 July 08:02–09:02 UTC Typhoon Nangka seen by Himawari-8 In early July Typhoon Nangka formed over the Pacific ocean, after intensifying for 13 days it hit Japan on 16 July. 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.