Rapid Stratospheric Temperature Spikes Over the Arctic When temperatures in the polar stratosphere suddenly climb, climate analysts instantly recognize this as one of the most critical warning signs.

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 ...

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 ...

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 ...

CLEVELAND — Northeast Ohio’s weather this week is a textbook example of how the upper-level jet stream can flip the switch between quick-moving rain showers and prolonged bouts of wintry weather. This ...

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 ...

The jet stream also played a role in the 2025 hurricane season. Given its west-to-east wind direction, the southward dip of the jet stream—along with a weak high pressure system over the ...

La Niña is developing but remains weak and west-based, muting its usual North American signal. This setup favors a volatile, stop-and-start season, with the jet stream shifting frequently and ...

In South America, southern Africa, Australia and Oceania, summer weather is heavily influenced by the Southern Hemisphere’s Eddy-Driven Jet (EDJ), a wind belt that flows between 1.3–1.5 kilometres ...

Shuang-Ye Wu does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

The storm door stays closed for now, as forecast models show California staying warm and dry for a considerable amount of time.