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 ...

Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

The Earth’s jet streams play a fundamental role in the speed and direction of weather systems across the world. This means that they are crucial for understanding extreme weather events and how they ...

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 ...

As a fifth heatwave in twelve weeks sweeps Britain and France — with UK amber heat-health alerts in place for most of England and Météo-France warning of temperatures approaching 40°C (104°F) this ...

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 ...