Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

The arrival of a mass of polar air in Spain this Friday will drastically change the weather in the Community of Madrid, with rain at midday, lower maximum temperatures throughout the region and snow ...

Newer studies also back up the idea that warming of the Arctic and the oceans may be encouraging weather patterns that allow polar air to spill southward for longer, more stubborn stretches of cold.

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

BUT OVERALL THOUGH, AS WE LOOK AHEAD OR LOOK BACK IN THE PAST, FIRST TO SOME EXTREME WEATHER CONDITIONS DURING THE MAIN PLUNGE FOR THE POLAR BEAR PLUNGE OVER THE LAST SEVERAL YEARS. SINCE 1997.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

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

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

During these times, it's referred to as a polar night. The opposite, polar day, occurs when there is 24-hour daylight. A polar day is when the sun does not set and stays above the horizon for an ...