My guess is that the blocking and potential warming of the stratosphere is linked to this extreme warmth and lack of sea ice in the Kara and Barents areas. A recent study showed this potential sea ice to stratosphere link. So it’s looking like this will follow the Siberian precursor type of stratosphere event as outlined by Mike Ventrice. We will have to wait and see what the official designation of this potential stratospheric event is. The million dollar question is if this event wil