Add Yahoo as a preferred source to see more of our stories on Google. A split jet stream over the Pacific Ocean will help amplify a ridge of high pressure near the West coast, keeping California warm ...

The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating high pressure. Wind is the ...

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 ...

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 strengthening El Niño and emerging Indian Ocean Dipole could bring Florida a stormier, wetter winter with occasional blasts ...

While it's been cool and wet in the Miami Valley, there's a much different set up out west. A stubborn jet stream pattern has made its mark on the entire country recently. While we find ourselves in a ...

WASHINGTON (7News) — After our coldest December in 15 years and the cold start to the new year our pattern is about to change! This Weekend 1-3-26 As we head into next week, a major pattern shift is ...

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 ...