Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Meteosat Land Weather Data Tags MSG Africa Europe SEVIRI Date 2009 Date September SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 23 September 2009 12:00 UTC Backbuilding storms between Tunisia and Sicily The storms which occurred on 23 September between Tunisia and Sicily were interesting from several aspects.