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In the United States, “the polar vortex is unleashed with maximum ferocity”
The United States is currently experiencing an intense cold front linked to the so-called Arctic “polar vortex”.  The icy air ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
A polar vortex has brought arctic air to the U.S. including DC area
WASHINGTON — We are in the middle of a blast of extreme cold weather in D.C. The polar vortex has shifted, spilling cold air ...
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
Where will it snow in the US? See where the polar vortex is set to make an icy impact
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
More frigid cold is coming, as lobe of polar vortex dips into U.S.
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
Polar vortex leaves more than 30 states on alert for dangerously cold weather
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
Polar vortex set to envelop much of US in freezing temperatures
A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...
WLRN9d
Another polar vortex is headed to Florida, with an Arctic blast to follow
A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...
FOX 5 New York on MSN3d
Polar vortex brings brutally cold weather to NYC: Is relief on the way?
Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...
WRAL News on MSN11d
Ask the Meteorologist: What is the polar vortex, and why do we care?
Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...
A polar vortex will plunge temperatures below freezing for most of the United States
Despite a cold start to the day, most of the U.S. will experience seasonably mild temperatures on Thursday. However, ...