The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

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Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex. When you purchase through links ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Mathew Barlow has received federal funding for research on extreme events and also conducts legal consulting related to climate change.. Judah Cohen does not work for, consult, own shares in or ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this swirling vortex will come as far south as Lake Superior. When the center of the ...

As the polar vortex becomes more active, colder air will surge toward central and eastern regions of the U.S. This polar vortex activity will result in fluctuating temperatures, periodic snow and ...

A strong blast of Arctic air will drive temperatures sharply lower from the Midwest to the interior Northeast this weekend, bringing the season's coldest weather so far for many, forecasters say.

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...