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 ...

The polar jet stream is typically found near 50 to 60 degrees latitude, across Canada in the Northern Hemisphere, where cold polar air meets warmer midlatitude air. It plays a major role in modulating ...

Forecast models are increasingly pointing toward weather patterns that would keep California warm and dry through late January. A ridge of high pressure over the eastern Pacific is expected to ...