How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across ...

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold air south, and the roots of this ...

Global warming changed the behavior of the jet stream, and a new pattern is now clear: sapping moisture from the West Coast ...

NOAA: La Niña has officially arrived, though late, and is expected to remain weak, with a 59% chance of persisting through ...

So, as the Deep South grapples with the foreign language of snowflake icons making a (for some, repeat) appearance in weather ...

The week began with a biting cold snap that hammered much of the U.S., the product of a jet stream that slips out of its ...

Another day of gusty winds is forecast Wednesday for Southern California, where a rare "Particularly Dangerous Situation" red ...

Students and climate experts reflected on the impacts of the ongoing disaster — and other impending severe weather events.

Conversely, La Niña years occur when these Pacific waters are cooler than average. That tends to push the jet stream north, leading to drier conditions along the Gulf Coast and warmer winters.

(THE CONVERSATION) Atmospheric rivers – those long, narrow bands of water vapor in the sky that bring heavy rain and storms to the U.S. West Coast and many other regions – are shifting toward higher ...