I'm pretty excited for this upcoming winter. I've had the QBO, Quasi-biennial Oscillation, on my mind for a while. Since it's entering an easterly phase we could see some more SSW, sudden stratospheric warming, events and resulting arctic cold bursts. https://t.co/GPuhg2iPGA. pic.twitter.com/Dr4qCvPehn

— Da'Vel Johnson (@Da_VelJ) October 20, 2023