A pattern flip in the Gulf of Alaska looks to change things up for North America in November.
— Ben Noll (@BenNollWeather) October 19, 2021
Continued ridging and relative warmth (🔴) in the eastern U.S. for the next little while, but a change looms in 3-4 weeks time (🔵).
A relatively weak polar vortex is also indicated. pic.twitter.com/cYZatiUlHL