A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

Residents in the Northeast and Midwest regions have both been told to prepare for the bad weather as separate storms roll in ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

the polar vortex is still going to bring lower-than-normal temperatures to the Sunshine State. According to the National Weather Service in Tampa Bay, cooler than normal temperatures could be seen ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar vortex? A polar vortex settled its way over New York City and New Jersey ...

The polar vortex always exists near the poles, however, it weakens during summer and strengthens during winter, says the U.S. National Weather Service,. The U.S. National Weather Service says that ...