The polar vortex is stirring up, with winter weather advisories in Alaska and freeze warnings in New York signaling the first signs of the changing fall weather in the US. With New Jersey's apple ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. In the short term, this means gradual cool-downs and a more active storm track ...

The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

The polar vortex is shifting in ways that could unleash extreme cold, violent storms, and unstable weather patterns across ...

The polar vortex is one of Earth’s most powerful climate systems and scientists believe it may be collapsing. This could ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

The polar vortex is beginning to stir, signaling a gradual shift toward cooler, autumnal weather in the northern U.S. While temperatures are expected to cool, the Climate Prediction Center forecasts ...