Advertisement AccuWeather Long-range Expert Paul Pastelok said the shifting and stretching of the polar vortex could affect the United States around the middle of March with effects potentially ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February. This weather phenomenon is expected to bring more winter ...

An in-depth look at the forecasted polar vortex collapse and ... across much of the central and eastern United States. Forecasters are warning this vortex is looking particularly strong for ...

The weather phenomenon is expected to develop in mid-March, bringing severe cold temperatures across parts of Canada and the United States. It may also impact the UK and Europe. A polar vortex ...

When the polar vortex weakens or becomes distorted, it can send frigid air southward into the United States. "There has been some slight stretching of the polar vortex this winter as evidenced by ...

The cause of the week-long deep freeze? 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 ...

AccuWeather long-range experts predicted the transition from winter to spring as the period most likely to experience the polar vortex allowing colder air into the United States. A prolonged ...

And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over the next two weeks may bring cold temperatures and even snow to Columbus. Here is what ...

Where weather could clash with the 'Blood Moon' next week Chain reaction could unleash cold polar vortex across United States through April The storm is forecast to strengthen enough to create ...

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense ...