A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of Europe into a bitterly cold spell just days before the official arrival of spring.

Reports of an impending polar vortex collapse are circulating online, with some forecasts claiming that Arctic air could plunge into North America and extend winter well into March. But according to Environment Canada, those forecasts don’t hold up — at least not for Ottawa.

The polar vortex that has dealt the most brutal winter to much of the US in recent years is about to be broken down – but not before unleashing a late-season cold and the biggest yet. A stratospheric warming event has begun,

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a crucial component of our ... Read more The post What Causes the “Polar Vortex” and Why It’s Getting More Intense appeared first on weather-fox.

Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March