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 ...

The omega block is a weather term that describes the shape of the jet stream in the northern hemisphere: a curved upside-down "U" with two outward facing lines, which appears to resemble the 24th ...

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 ...

Something has shifted in the way climate scientists talk about their own work. The language has become noticeably more ...

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 ...

OKLAHOMA CITY (KFOR) — Here’s a look at the Jet Stream pattern as we go into this weekend. A storm trough is developing and moving east into the southern plains with waves of thunderstorms in the ...