Winter was never supposed to start until mid-January ™
Cold December was not expected and therefore was a bonus ™
We need lots of cutters to set up a colder regime ™
Low-frequency forcing necessitates a poleward extended jet, constructively interfering with the stratospheric vortex, weakening the Hadley Cell/-EAMT couplet, reinvigorating the Walker Cell, igniting the MJO pulse along the maritime continent, which abruptly flips the QBO, forcing a -PNA/-NAO combo, creating cold and stormy conditions across the entire lower 48, as the STJ becomes reenergized, fueling massive, historic snowstorms ™
The models have corrected colder as we approach verification ™
What did I miss?