A river of fast air circles the planet near the top of the troposphere, bending north and south as it goes. Its changing ...

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 persistent kink or shift in the jet stream can trap warm air over Europe and lead to heatwaves lasting two weeks or more. Recognising this could help improve forecasting of prolonged hot spells.

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 ...

Heavy precipitation, wind storms, heat waves—when severe weather events such as these occur they are frequently attributed to a wavy jet stream. The jet stream is a powerful air current in the upper ...

Our cool spell is about to come to an end! The current jet stream pattern which is allowing a trough or a dip in the wind flow is slowly shifting east. As it does so, tonight's isolated showers and ...

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 ...

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 ...

Summer 2024 was officially the Northern Hemisphere’s hottest on record. In the United States, fierce heat waves seemed to hit somewhere almost every day. Overall, the global average temperature was ...

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 ...