The Global Ensemble Forecast System (GEFS) also show some support for this pattern shift as we go into Feb.
— James Peacock (@peacockreports) January 21, 2021
The high-latitude blocking seems to start becoming less concentrated over the #Arctic, while the Atlantic lows ease off a great deal. https://t.co/79SlJaFieK pic.twitter.com/qUf9Rr2w0G