The polar vortex was in play during the 2021 February freeze, which led to the failure of the statewide Texas power grid. Now the current state of the polar vortex is unusually strong. And that's ...

Why it matters: A polar vortex hauling arctic air from Canada down across the U.S. sent temperatures plunging in Texas and led the state's grid operator to declare a "weather watch" through Friday.

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March. Currently, its remains are traveling eastward across Canada to the United States.

The polar vortex slid toward Europe in recent weeks, ushering in cooler temperatures to portions of Canada A significant disruption to the polar vortex over far Northern Canada will keep the ...

A significant disruption to the polar vortex over far Northern Canada will keep the pattern’s influence locked in our neck of the woods like a houseguest overstaying their welcome. Even as the world ...

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy ...