I'm not surprised to see ensembles show a building W Atl ridge and (eventually) weakening E US trough 6-10 days later. This is based on a well-established atmospheric teleconnection - the antithesis of the "Typhoon Rule" - that appears to be related to the Rossby Wave Train (RWT) pic.twitter.com/lzU3ECdnft

— Yaakov Cantor (@yconsor) July 24, 2023