Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Weather Meteosat Land Data Tags MSG SEVIRI Asia AVHRR Date 2014 Date February March May SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study 5–6 May 2014 Severe hailstorms in Oman Severe convective storms produced unusually large hailstones over Oman in early May 2014. Case study 30 March 2014 06:00–15:00 UTC Major storm causes severe flooding in Hong Kong Major storm over China brought 'black rain', large hailstones & flooding to Hong Kong. Case study 13 February 2014 05:38–09:00 UTC Heavy rainfall in Al Batinah & Muscat During the passage of a Mediterranean-type trough, a low-pressure centre detached.