Awesome example of an incoming Rossby wave packet next week, culminating in a huge anticyclonic wave break which reinforces Scandinavian blocking & shifts regime from Atlantic ridge. Also, PV streamer cuts off near Bermuda, too - can be a route for (sub)tropical cyclogenesis. pic.twitter.com/alDo2EEFDj

— Dr Simon Lee (@SimonLeeWx) June 5, 2020