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 Sentinel Data Tags OLCI SLSTR MTG GOES Sentinel-3 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. US big freeze as seen from space Features of the 'Big Freeze' which affected parts of North America in January 2019.