Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
MLive1d
Polar Vortex may not be done with Michigan, but only as a side-swipe
The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...
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 ...
CNET on MSN7d
Did the Polar Vortex Cause the US Arctic Blast That Brought Snow to Florida?
Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.
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 South.
The science behind Connecticut’s arctic blast: Polar vortex and radiational cooling
An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...
Hosted on MSN12d
Arctic Blast Brings Record-Breaking Cold Across U.S. On Inauguration Day
Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...
Polar vortex 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 ...
Scientific American18d
How the Polar Vortex Can Bring Arctic Blasts to the U.S.
In normal conditions, the polar vortex spins tightly over the Arctic, allowing the polar jet stream—which blows by beneath and south of the polar vortex—to remain fairly smooth. “If the ...
AZ Central11d
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...