The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

A polar vortex is currently hitting the United States, with schools closed in many parts of the country and at least four ...

The United States is preparing for a severe drop in temperatures and an icy onslaught as it anticipates the season's coldest ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades ... be held inside the United States Capitol Rotunda.

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again reaching for their winter coats later this month before milder springlike ...

But let's revisit the polar vortex, explain what it is, and the signs we look for as meteorologists that could be clues to its potential arrival here in the United States. For starters ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...

There is no guarantee the Arctic air comes into the United States. The polar vortex and jet stream winds may send it over Europe or Asia. The "Greenland Block" pattern could increase the chances ...

Meteorologist Ben Noll wrote on X, formerly Twitter, on December 29: "A lobe of the polar vortex threatens to bring some seriously cold and possibly snowy weather to the United States during the ...

In January, a polar vortex blasted the northern United States with frigid air and caused bitterly cold temperatures farther south than normal. This week's cold front is following a similar pattern ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

which keeps the cold air in the Arctic and allows relatively milder conditions across much of the United States and Eurasia,” Furtado said. A common reason the polar vortex leaves its usual ...