Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the United States into bitter, prolonged cold. Forecasters are tracking a polar ...

Advantage Energy remains a long-term strong buy. Recent AECO price swings and a polar vortex could significantly tighten natural gas supplies. The upcoming Glacier Plant turnaround is a one-time event ...

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...

A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a more volatile and wintry pattern as the season ramps up. Instead of the ...