Another interesting aspect is that the forecast shift occurred during a period of "No Regime" over N America. There is evidence that instances of No Regime demonstrate lower predictability/skill, see https://t.co/ESOzGrtEfa & https://t.co/nLqwBJilAf @marisol_osman, @dombueeler pic.twitter.com/mU0yuOpH5H

— Dr Simon Lee (@SimonLeeWx) February 14, 2024