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 ...

This pattern disrupts typical west-to-east jet stream flow, causing stagnant weather conditions, including cool, showery weather in the East and West, and mild, clear conditions in the north-central U ...

Most summers, the polar jet stream retreats northward into Canada and weakens considerably, leaving the continental U.S. with calmer weather. When rainstorms pop up, they're typically caused by ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) At the same time, every hurricane that formed, including the three powerful Category 5 ...

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 ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged ...

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 ...