A polar vortex, a weather pattern similar to the historic winter storm that struck Texas in 2021 — when every county in the state experienced below-freezing temperatures for the first time ...

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 ...

From the Netherlands to Estonia to Texas, a deadly polar vortex caused record-breaking weather across the northern hemisphere. While many struggled to survive the cold, others took advantage of ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in coming days and ...

ABC13 spoke to an NOAA climatologist about the current condition of the polar vortex and where the bitter cold air could linger this winter. What's the polar vortex? Here's when we can forecast ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

It is not, however, the second coming of a polar vortex, a phrase the National Weather Service's Chicago office tweeted earlier this week to describe the upcoming sweater weather. They quickly ...