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

Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of sync, and storms stall over the same unlucky regions. At the heart of this ...

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 ...

High-pressure systems, clear skies, low humidity and northwesterly winds from central Asia are bringing cold air deep into ...

NORFOLK, Va. — Heading into the cooler months, we can certainly see some cold snaps make their way into the area. But what's going on in the atmosphere that causes these cooler-than-average ...

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 ...