High-amplitude anticyclonic wave break set to occur over the next few days in the northeast Atlantic [seen here in GFS 2 PVU via https://t.co/L9bB0xS6fk], exciting the "Scandinavia-Greenland pattern" and downstream Ural high... [1/5] pic.twitter.com/XZ9iYJ78rS

— Dr Simon Lee (@SimonLeeWx) November 22, 2020