Even though #Teddy's extratropical transition (#ET) begins tonight, it will be a dynamic ET, intensifying & expanding the wind field, ⬆️surge+wave impacts for #NovaScotia & #Newfoundland.

Setup is classic CWB ➡️ bc cyclogenesis as the TC vortex phases w/ an upper-level trough. pic.twitter.com/uZdnkFpl5S

— Philippe Papin (@pppapin) September 21, 2020