A powerful Polar Vortex in the stratosphere brings frigid temperatures to US
The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...
What is a polar vortex?
This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...
Millions bracing for plummeting temperatures, winter storms
Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend ...
Extreme cold forecast for much of US in coming days
Much of the U.S. from the Rockies into the Northern Plains will see colder than normal temperatures starting Sunday into the ...
A polar vortex is coming toward the U.S. Here’s how it will impact Utah
The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...
What is a polar vortex? Latest weather predictions as Tennessee faces hazardous cold air
It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.
How climate instability may be disrupting the polar vortex
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
120 million people could experience subzero temps soon. Where the cold will be worst.
A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow ...
Arctic blast from polar vortex to send temperatures plunging across the U.S. Here’s how cold it will get.
An arctic blast will send temperatures across the United States plummeting as bitterly cold air that originated in Siberia ...
Polar vortex and its role in our chilly January
The polar vortex is always around. It is a channel of strong winds high up in the atmosphere that circles the poles. One over ...
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Polar vortex to bring sub-zero wind chills next week
Our next outbreak of bitterly air will arrive next week, plunging temperatures well below average for a time. But where does this cold air come from? It has an Arctic origin near the North pole! A ...