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 Sentinel Weather Data Tags SLSTR Sentinel-3 OLCI MTG GOES ABI Date 2019 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.