A sharp, late-season flip in the jet stream is setting up a winter pattern that looks very different from the one that opened ...

Rapid Stratospheric Temperature Spikes Over the Arctic When temperatures in the polar stratosphere suddenly climb, climate analysts instantly recognize this as one of the most critical warning signs.

A huge winter storm has reignited confusion about the polar vortex, the jet stream and what climate change really means for winter weather ...

Add Yahoo as a preferred source to see more of our stories on Google. A split jet stream over the Pacific Ocean will help amplify a ridge of high pressure near the West coast, keeping California warm ...

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 ...

StormTRACKER meteorologist John Wheeler has identified areas of unusual weather patterns thanks to a weak split in the jet stream. The change is bringing on warm and dry weather throughout the Corn ...

A recent study in the journal Nature shows that when the summer jet stream over Europe veers north or south of its usual path, it brings weather extremes that can exacerbate epidemics, ruin crop ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. When the bubonic plague reached ...