The upper-atmospheric feature plays a critical role in Earth's climate. This has been a summer of unusual weather across the northern hemisphere with many areas experiencing a rollercoaster of heat ...

A river of fast air circles the planet near the top of the troposphere, bending north and south as it goes. Its changing route helps determine whether a region receives a procession of storms, a surge ...

If you’re on the receiving end of the monster jet stream, a minority will experience extreme weather. Our current jet stream configuration is so straight you could trace it with a ruler. I'm sure ...

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 ...

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 ...

This is the Met Office UK Weather forecast for the week ahead 19/10/2026. Recently, the jet stream has been sending low ...

The jet stream causes changes in the wind and pressure high up, which affect things nearer the surface, such as areas of high and low pressure. This helps shape the weather we see. The Met Office says ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. CBC Alberta and ...

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.

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 ...

The jet stream plays a vital role in the global climate system and is a key factor in the UK’s changeable weather. High above our heads, around 5 to 7 miles above the Earth’s surface, a powerful ...

Ocean and atmospheric currents influence weather, but on different timescales. The Gulf Stream constantly brings warmer water towards western Europe, with the result that air temperatures over the UK ...