Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Filter by Categories Satellites Meteosat Sentinel Tags NOAA Europe Sentinel-3 Copernicus Date 2020 1 result Sort by Start Date Order Ascending Descending Sort Tuesday, 2 February 2021 13 April 2020 12:00 UTC-15 April 12:00 UTC EUMETSAT Science Blog Retour d’est or extended Bora flow along Po Valley Retour d’est along Po Valley in satellite imagery in April 2020.