A winter buzzword, explained.

Add Yahoo as a preferred source to see more of our stories on Google. Additionally, this shift in the jet stream will shield the East from the worst of the polar vortex, which will retreat farther ...

A sharp, late-season flip in the jet stream is setting up a winter pattern that looks very different from the one that opened the year, and forecasters say it is not business as usual. A leading ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Face it — "polar vortex" is fun to say. It sounds like something that could have killed a red-shirted crewmember on the original "Star Trek" television series. Maybe that's why a weather feature that ...

BOEING MANUFACTURE THIS KIND OF PLANE. TURNING NOW TO KCRA 3 WEATHER, AND WE WANT TO SHOW YOU THIS A LIVE LOOK AT LAKE TAHOE AFTER DAYS OF SNOWY WEATHER AND TOUGH TRAVEL CONDITIONS. HEATHER, IT’S NICE ...

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...

There is a major weather pattern change underway across the U.S. As we get into next week, the storm track looks really interesting. Major upper-air pattern changes are quite normal. Sometimes we have ...