A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November 27, the National Weather Service Climate Prediction Center released its ...

A rare and exceptionally early disruption of the polar vortex is sending brutally cold air across much of the United States, marking one of the earliest notable polar vortex disruptions observed since ...

There are early signs that the northeastern United States may be in for several waves of below-average low temperatures this ...

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense swirling vortex of winds miles above the Arctic, say scientists. Powerful winter ...