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 Data Meteosat Tags SEVIRI Europe Meteosat Second Generation (MSG) Date 2016 SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 15 March 2016 12:00 UTC–16 March 12:00 UTC Upper-Level Low (ULL) over northern Europe Westward travelling ULL induced rapid reversal of a pressure gradient across the Alps in mid-March 2016.