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 ...

The world's weather is in a strange pattern right now - and it's affecting California. A massive area of high pressure parked over Western Europe, responsible for breaking century-old records and ...

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 ...

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 ...

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 ...

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...

One year ago, Congress defunded public media. Now that we're 100% community funded, please become a sustaining member or increase your existing membership today. When the bubonic plague reached ...

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 ...

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 ...