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.

Will the Pacific Jet Stream or the Polar Vortex dominate November's weather? A 'blowtorch pattern' sets up but for how long?

Add Yahoo as a preferred source to see more of our stories on Google. Forecast jet stream winds for next week. The colors show wind speed, with green, yellow and orange indicating the strongest winds.

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 ...

Climate models are numerical models used to project future climate change. They simulate the climate from the present into the future by calculating changes in the atmosphere, ocean and other ...

SAN ANTONIO — El Niño begins thousands of miles away in the tropical Pacific, but it can reshape weather patterns across the United States. As unusually warm water spreads across the central and ...