Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for dangerous winter blast

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Why is the winter storm so intense? Polar vortex, moisture, jet stream align

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.
FOX Weather on MSN

Arctic plunge: Polar vortex locks in snow, ice and life-threatening cold behind historic cross-country storm

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...
FOX 5 Washington DC on MSN

What is the polar vortex? Why it matters as snow and Arctic cold threaten the Northeast

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

January polar vortex to bring arctic chill, usher in TN winter storm

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle ...

What is a polar vortex? Wind chill temperature? Winter weather terms to know

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...
Fox Weather on MSN

Arctic plunge: Polar vortex locks in snow, ice and life-threatening cold behind historic storm

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...
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Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for winter blast

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...