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 Meteosat Sentinel Weather Tags SLSTR OLCI Meteosat Third Generation (MTG) Sentinel-3 GOES ABI Date 2019 Date January SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 29 January 2019, 06:00 UTC–31 January 16:00 UTC. EUMETSAT Science Blog US big freeze as seen from space Features of the 'Big Freeze' which affected parts of North America in January 2019 could be seen in satellite imagery.