Our current jet stream configuration is so straight you could trace it with a ruler. I'm sure you've heard of the jet stream, the narrow bands of stronger winds that circulate high above the ground.

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the massive current of Arctic air that regulates weather for much of the Northern ...

Something has been off about the sky lately, and meteorologists are finally putting numbers to the feeling. Across the past several months, forecast models have picked up on a significant ...

Europe fastest-warming continent faces record heatwaves as Greenland meltwater cools a North Atlantic cold blob, deflecting the polar jet stream northward and parking heat domes over the continent.

If you’ve ever heard a meteorologist mention the jet stream and thought, “Okay… but what does that actually mean?” You’re not alone. It’s one of the most important drivers of weather across the United ...