Still looking likely that a minimum in the surface NAM (in the short-term) will occur around Jan 26th, and seems to be associated with a downward "drip" from the negative stratospheric NAM. https://t.co/p9rT2oDzR0 pic.twitter.com/7fEp2a7AzM

— Dr Simon Lee (@SimonLeeWx) January 21, 2021