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.

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

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

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 ...

Researchers note that February was also characterised by an extremely strong stratospheric polar vortex - a large spinning mass of cold air in the stratosphere around 15 miles above the Arctic ...

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 ...

Scientists say a "swirling polar vortex" miles above the Earth caused three deadly storms in the UK and Ireland, which brought severe flooding and record wind speeds. Four people lost their lives ...