The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

In what feels like the first real winter we’ve had in years here in New York, an Arctic blast or polar vortex is partially to blame. The polar vortex is ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

It's natural to look north to the cold Arctic for answers as to why the Gulf Coast took a polar bear plunge into such icy weather. As the name suggests, the polar vortex is associated with our ...

In the winter, the polar vortex helps keep frigid, Arctic air trapped in the Arctic Circle within the vortex. It acts as a barrier between the midlatitudes and the poles. However, at times the ...

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

It’s near the edge of the Arctic Circle and has been about 20 ... Elsewhere, a displaced lobe of the polar vortex has brought an unrelenting chill to large parts of the contiguous United States.

Scientists say a warming planet may have been responsible for a winter storm that dropped 10 inches of snow on Northwest ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...