The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

Arctic air is ... dome of high pressure — virtually a mass of sinking air — already sitting above central Canada pulled a sliver of the chilled polar vortex into the United States late last ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Google has given in to President Trump’s demands to rename the Gulf of Mexico the Gulf of America on its mapping service. The name change will be visible in the US but not in Mexico where the ...

drawing down a strong north wind across the middle of the United States. This is why we saw a huge polar plunge of cold air down to the Gulf of Mexico. Plus, an area of low pressure formed over ...

With just over a week until President-elect Donald Trump takes office, the soon-to-be second-time U.S. leader famed for his ...

The significant Florida snowstorms of 1895, 1899, 1955, 1958, 1973, and 1989 were all preceded by a broad ridge of mid- and upper-level high pressure over the western Continental United States and ...

"WHEREAS, an area of low pressure ... maps and throughout the federal government. The U.S. Board on Geographic Names is the federal office with the power to rename geographic places in the United ...

It's no secret that the United States' air safety system is under pressure, and the COVID-19 pandemic worsened an already stretched air traffic controller workforce. Demand for air travel has soared ...

The federal office has the power to rename geographic places within the United States ... an area of low pressure moving across the Gulf of America, interacting with Arctic air, will bring ...