What Exactly Is The Jet Stream The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating ...

One Saturday, the ground is white with frost. The next Saturday, we're breaking a sweat. Welcome to the wonderful world of an amplified jet stream pattern, which simply means that the fast-moving ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...