5th consecutive run of the GEFS extended showing an increased risk of the Alaskan Ridge regime toward the end of January/start of Feb -- which would re-load cold into the eastern half of North America, should it verify. More than 50% of ensemble goes AKR in latest run... https://t.co/T3dhw5ikO4 pic.twitter.com/hniqA3xlBq

— Dr Simon Lee (@SimonLeeWx) January 11, 2024