Why Polar Vortexes Are Becoming More Common What do you think about this topic? Share your thoughts in the comments below — ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Arctic sea ice can also reflect sunlight back into the atmosphere. If the temperature between the equator and the North Pole ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

After a strong cold front comes through this Saturday, we could see temperatures 20 degrees colder than normal. Why is that, ...

Minot residents have been experiencing temperature whiplash with relatively warm temperatures dropping precipitously below ...

On Sunday, a tongue of cold air from northwest Canada slid into the United States, putting Charleston in the midst of a polar ...

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold air south, and the roots of this ...

The lobes of the Polar Vortex bring a blast of Arctic air and then usually a day or two of widespread lake-effect snow. That’s what the weather pattern shows for Michigan in the next week.

Arctic air remains settled over southern Colorado on Wednesday with negative morning wind chills and freezing fog giving way to chilly afternoon sunshine. Another weak snowstorm arrives Thursday.

He and DePodwin called it a stretching of the polar vortex, which is cold air normally penned in high above the Arctic that’s there year round. “Think of it as like a rubber band at rest ...