As Canadians, we are very familiar with the term ‘polar vortex.’ We are also familiar with its effects on Canadian weather when it ‘acts up.’ While the polar vortex is a year-round phenomenon, we tend ...

The polar vortex circling the Arctic is swirling in the wrong direction after surprise warming in Earth's atmosphere triggered a major reversal event earlier this month. It is one of the most extreme ...

Atmospheric scientists were surprised earlier this month to notice that the Arctic's polar vortex reversed its trajectory as it began spinning in the opposite direction. What's more: It has yet to ...

Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days as arctic air dips down into the Lower 48 for a spell. The mere mention of ...

The polar vortex rages in the arctic during the winter, producing winds up to 150 miles per hour. But when that vortex weakens, arctic air escapes to more southerly latitudes, which creates ...

To visualize the Polar Vortex, imagine a spinning top of cold air that extends high into the atmosphere. The core of this vortex sits in the stratosphere, while the troposphere—where all weather ...

NORFOLK, Va. — Have you ever wondered why some winters are mild while others bring freezing temperatures and snowstorms? One of the key players in these dramatic shifts is something called the polar ...

If you hear that the polar vortex is coming, you should expect to experience a lot of cold. CLEVELAND — The temperature ...

With all this warming weather, you may be wondering if winter is coming back. There are signs winter will return. A researcher who tracks the polar vortex says he sees changes with the vortex ...

GRAND RAPIDS, Mich. — We saw young children at Plainfield Child Care in Grand Rapids, but they were amazed at some of the science and weather experiments we did. They all love talking about tornadoes, ...

The Supercell Foundation Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually ...

Earlier this month, a sudden atmospheric warming event caused the Arctic's polar vortex to reverse its trajectory. The swirling ring of cold air is now spinning in the wrong direction, which has ...