In recent days, extreme weather brought freezing temperatures to several states across the country due to a polar vortex that peaked ... above the temperature in Washington D.C. According to ...

WASHINGTON—The polar vortex hit its peak across much of America on February 19, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been ...

The annual explosion of cherry blossoms along the Tidal Basin frames the Washington Monument in the distance, Thursday, April ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...

Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

Meteorologists are forecasting a final Polar Vortex collapse for mid-March, with experts even expecting to impact to be more ...

The polar vortex is a persistent area of low pressure dozens of miles above the earth's poles (both northern and southern). Because the vortex is so high up in the atmosphere, and because it's ...

The purpose is to see if the cold spell that send much of the U.S. shivering was due to the "polar vortex." NOAA concluded that there wasn't sufficient evidence to link this most recent cold blast ...

After a four-week absence from Washington, first lady Melania Trump returned to the White House on Saturday for an annual dinner and reception with the nation’s governors. “She worked very ...

(CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for ...

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