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 Land Weather Metop Tags AVHRR Metop-A S America GOES Date 2015 SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 26 March 2015 13:30 UTC Rains over Atacama desert On Thursday 26th March 2015, an unusual rain event brought almost an inch of precipitation to the Atacama, Antofagasta and Coquimbo regions.