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 ...

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 ...

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 ...

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

Jet streams are often referred to as the "motor" of global weather: High-altitude wind currents steer areas of high and low pressure, playing a crucial role in shaping our weather. However, how these ...

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 ...

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 ...

In the United States, our weather patterns usually travel from the west to the east. Sometimes, we can see variations in that a system will move in from the northwest or southwest, but Missourians ...

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 ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...