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 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 ...

Two weather patterns played out in 2025 that had huge implications for our country's weather. One of them helped spare the U.S. mainland from a landfalling hurricane, while the other helped produce ...

In recent years, the global climate has become increasingly extreme, with intensifying alternations of droughts and floods—particularly in ecologically vulnerable mid-latitude regions. But what is ...

TUCSON, Ariz. (KVOA) - A new study from the University of Arizona reveals how historical tree-ring data can help predict extreme summer weather events. Researchers, led by Ellie Broadman, analyzed ...

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 summer of 2025 brought unprecedented flash flooding across the U.S., with the central and eastern regions hit particularly hard. These storms claimed hundreds of lives across Texas, Kentucky and ...

Meteorologist Justin Rudicel explains how the jet stream forms, why it shifts throughout the year and how it influences everything from severe storms to summer heat in Oklahoma. The jet stream is one ...

The sky may seem like a huge open playground for airplanes to fly without speed limits in any direction they wish. In reality, planes adhere to certain rules and follow fixed flight paths, much like ...

ORLANDO, Fla. — The much-anticipated 2026 El Niño has begun, likely producing widespread changes in global weather patterns over the next several months. Meteorologists from the Climate Prediction ...

If you’ve watched a weather forecast, you’ve probably heard terms like ridge, trough, or even southwest flow. They might sound technical, but they’re actually some of the most important clues to ...