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

After our coldest January in 11 years, February is set to start warm and, at times, wet. But the weather may turn cold and ...

Climate change continues to send average temperatures in Georgia upward, and a rare cold spell is linked to climate change, ...

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

Why pieces of the Polar Vortex (Arctic Pig) will return for February & Potential corn crop risks in Argentina” Weekend Report ...

Arctic sea ice can also reflect sunlight back into the atmosphere. If the temperature between the equator and the North Pole ...

"What we're really seeing with this particular arctic outbreak is really just that oscillation of that polar vortex and it's beginning to wobble southeastward, allowing that cold air to really ...

6:21 What to expect on day one of Trump’s second Presidency Donald Trump will be sworn in as president in a different location this year — the U.S. Capitol building — as “bitterly” cold ...

An arctic blast will send temperatures across ... Driven by the jet stream, part of the polar vortex — a large area of cold air that spins over the North Pole in the winter — will drop about ...

"But we will see the benefit of the cold from a big prolonged Arctic high pressure that will gradually lift into Monday." A polar vortex is a large area of low pressure and cold air surrounding ...

The polar vortex is a large area of low pressure and cold air surrounding the North pole. Sometimes during the winter it becomes less stable and expands, allowing Arctic air to move south with the ...