Some big fronts are slated to pass through our viewing area over the next few days. Will this be the final move of winter ...

Jet streams are air currents formed by the collision of warm tropical air and cold polar air in the atmosphere, plus the rotation of the planet. When meteorologists in North America mention “the ...

“The jet stream is a fast flowing, narrow current of air high up in the Earth's atmosphere,” said Knox. “Typically going from west to east, and formed at the boundary between significantly different ...

A nor’easter is a powerful storm system that impacts the eastern seaboard of North America, bringing gusty winds, coastal ...

One of the most devastating (and hardest to mitigate) effects of climate change for the Northern Hemisphere is the slowing of the polar jet stream - so, how do we keep track of this change? The polar ...

A cooler day is expected as clouds continue to hang over the region. A polar jet stream from the north has dropped into the ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

The jet stream typically acts as a barrier to keep the polar vortex contained near the Arctic, but at times, some of the vortex can break off or move south, bringing unusually cold weather into ...

The biggest weather impact during Monday and Tuesday will be the combination of very cold temperatures with a gusty wind, ...

Commercial flights bound for Europe have been taking off late from the States but arriving on time or early, thanks to a more powerful jet stream, strengthened by the arctic air mass that settled ...

The jet stream forms as warm air from the equator tries to slide into the polar vortex, a whirlpool of cold air near the poles. Ordinarily, this would allow warm air to just fill in the polar vortex.