Will the Pacific jet stream or the polar vortex dominate November's weather? A 'blowtorch pattern' sets up, but for how long? We look at the deciding factors.

From ocean temperature anomalies to the split-flow jet stream, learn how El Niño is setting the stage for winter. Find out ...

Water temperatures in the Pacific Ocean where El NIno forms would typically be at least 0.5 C above normal, but this year ...

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 ...