The tropospheric polar vortex is a normal feature that influences weather across the globe every winter, while the ...

A rare weather phenomenon that hasn't occurred since 1968 could soon impact the U.S., plummeting temperatures nationwide.

There are two of these polar vortexes -- one in the troposphere that affects weather every winter, and one in the ...

In a new outlook from the National Weather Service, the Chicago area appears to be in for a potentially "active" start to ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an expected polar vortex.

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air ...

Palm Beach International Airport recorded a low of 45 degrees for the morning of Nov. 11. How cold was other parts of Florida ...