The National Weather Service calls for more above-freezing temperatures Saturday, expected to be mostly sunny with a high ...

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

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

WASHINGTON — We are in the middle of a blast of extreme cold weather in D.C. The polar vortex has shifted, spilling cold air ...

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

The polar vortex, a natural atmospheric phenomenon, influences global winter weather by circulating Arctic air. Its expansion brings frigid air south, causing unusual cold spells. Increasing ...

president and CEO of Special Olympics Maryland.This week's Polar Bear Plunge festivities starts Wednesday with the kids in an event so popular it has become a two-day affair.The Cool Schools ...