In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

BOSTON — The northeastern U.S. is about to get a cold spring farewell from winter's bad boy, the polar vortex, which could bring rare May snowfall and record-low temperatures to some areas over the ...

Meteorologists warn that an “extraordinary and unique” atmospheric event could reshape the 2025-2026 winter outlook. A rare, possible disruption of the polar vortex—which determines how cold it ...