For the 2nd consecutive run, the ECMWF seasonal picks a stratospheric warming event to occur in January 🔴
— Ben Noll (@BenNollWeather) December 18, 2020
These events can disrupt the polar vortex, with Arctic air masses becoming dislodged and affecting parts of the Northern Hemisphere.
What parts, if any? Too early to say. pic.twitter.com/B2e1W8CEXg