Scientists are tracking atmospheric patterns that could trap millions in brutal cold for years.

Think of the polar vortex like a massive atmospheric security guard that normally keeps Arctic air locked up tight around the North Pole. When it’s doing its job properly, we get normal winters with manageable cold snaps and predictable weather patterns.
But when this guard decides to take a break or gets knocked off duty, all hell breaks loose. The cold air escapes southward, turning everyday life into a survival challenge for millions of people across North America and Europe.



