Too early to talk SSW? 😉

For the 2nd month in a row, there is a signal for a weaker-than-normal stratospheric polar vortex in Nov-Dec.

Indicated by several models, this can increase the chance for polar air masses to seep southward during early-mid winter ❄️

Has my attention! pic.twitter.com/sqNOieqouX

— Ben Noll (@BenNollWeather) July 15, 2021