Polar cloud patterns in north Atlantic

Sentinel-3 OLCI FR acquired on 21 June 2017 from 12:40:13 to 12:43:13 UTC
Sentinel-3 OLCI FR acquired on 23 June 2017 from 11:47:51 to 11:53:51 UTC
Sentinel-3 OLCI FR acquired on 15 March 2018 from 12:17:47 to 12:23:47 UTC
Sentinel-3 OLCI FR acquired on 31 August 2018 from 12:36:31 to 12:39:31 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Atmosphere, clouds, polar vortex, Atlantic Ocean
Fig. 1 - S3 OLCI (21.06.2017) - 21,6,1 colour composite, gamma processing - A question-mark shaped hole in a polar depression.
Fig. 2 - 23.06.2017 - Evolution of the previous formation two days later.
Fig. 3 - 15.03.2018 - Complex patterns formed by different cloud masses.
Fig. 4 - 31.08.2018 - A loose polar vortex formed clusters of smaller clouds in its wake.