Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Land Weather Meteosat Tags Meteosat Second Generation (MSG) SEVIRI Africa Date 2013 Date November SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 28 November 2013 09:00–18:00 UTC Massive hailstorm over Gauteng, South Africa Severe thunderstorms with golf ball size hail and flash floods hit Gauteng province of South Africa in late November.