❄️ Winter 2021-22: the chance for a weaker than normal stratospheric polar vortex has been well-chronicled by climate models 🔴
— Ben Noll (@BenNollWeather) September 14, 2021
As the season gets closer & the signal persists, it's looking more likely.
Early winter high-latitude blocking could dislodge Arctic air southward... pic.twitter.com/XLnp8M5X1i