Deadly Polar Vortex Effects North America Welcome to Pembrokeshire U3A › Forums › Science and Technology › Environmental Issues › Deadly Polar Vortex Effects North America This topic is empty. Viewing 1 post (of 1 total) Author Posts January 30, 2019 at 5:23 pm #9749 Anonymous Deadly Polar Vortex Effects North America See:- https://www.bbc.co.uk/news/world-us-canada-47055952 Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In