A research team led by University of Tsukuba has revealed that the severity of Japanese winters is strongly influenced by the ...

An unusually extended Pacific jet stream could bring larger swings between cool and warm weather to California in the coming ...

Weather is never random. Every unusual storm, every record-breaking heat wave, every flood that seems to come out of nowhere is part of a much larger story our atmosphere is trying to tell. In recent ...

Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

A strong El Niño event is expected in 2026, which could bring mayhem to the upcoming storm season at the end of the summer.

Add Yahoo as a preferred source to see more of our stories on Google. Scattered showers are expected Wednesday in Napa County, amid an unusual global weather pattern. (Brant Ward/The Chronicle) The ...

If you’ve ever heard a meteorologist mention the jet stream and thought, “Okay… but what does that actually mean?” You’re not alone. It’s one of the most important drivers of weather across the United ...