The process is underway. Late July is plausible, 26th thru 29th period, to see this disruption chain break up the Siberia gyre, if which likely shoots one of those lows into the North American (NoAM) jet. NE front; dominant Canada ULL breaks down. New pattern. *Have NOT dug in.* pic.twitter.com/uGoNLFr0SD

— ContentWeatherGuy (@ContentWxGuy) July 11, 2023