It's a long shot, but we need to watch NAO trends as we near the beginning of Feb (when SSW becomes possible). We've seen a legit -NAO trend lately, & if this continues, it can change how fast/strong a SSW couples w/ the troposphere
— Eric Webb (@webberweather) January 17, 2023
(e.g Black & McDaniel) https://t.co/dZD5KXLnWS pic.twitter.com/fwxYsOb3dE