Unable to view our graphics? Click here to see them. Polar vortex and jet stream are both extending southward into the US The National Oceanic and Atmospheric Administration's Global Forecasting ...

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of flooding and heavy snow.

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. It's bringing extreme cold as far as the Deep South. Overnight lows will be well below ...

The first is the polar jet stream, a huge current of air that circles the globe between 50 and 60 degrees north latitude within the low-altitude troposphere, the same layer of atmosphere where ...

After the first snowfall of the year in New York City, the freezing cold continues to affect the area, while people carry on with their daily lives on December 23, 2024. After the first snowfall ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

What’s shaping up to be the most expansive polar vortex in over a decade is about to plunge much of North America, including nearly all of Canada, into the coldest temperatures the country has ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not ...

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

After the first snowfall of the year in New York City, the freezing cold continues to affect the area, while people carry on with their daily lives on December 23, 2024. After the first snowfall of ...