displacing the vortex from its normal position at the poles and possibly moving it over the U.S. A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here’s why it keeps happening.

Several days into spring, wintry weather will linger as a cold air mass settles in.AccuWeather’s long-range experts say that ...

Several days into the start of spring, wintry weather has returned following the arrival of a cold air mass.AccuWeather’s ...

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again reaching for their winter coats later this month before milder springlike air ...

Meteorologists also project a few rainy days ahead, which should aid in relieving areas of New England experiencing weak to ...

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months. When it’s strong ...