Warming Arctic Driving Wavy Jet Stream and More Persistent Weather Extremes

“The entire Arctic is warming about 2 to 3 times faster than areas further south ... and we expect to see these bigger waves in the jet stream ... that can lead to certain types of extreme weather.”

- Jennifer Francis, Ph.D., Atmospheric Physicist, Rutgers Univ.

 

Third 2014 polar vortex blast of cold headed for the eastern half of United States as wavy jet stream dips way down toward the Gulf of Mexico, Upnorth Explorer, February 26, 2014, Madison, Wisconsin.
Third 2014 polar vortex blast of cold headed for the eastern half of United States as wavy jet stream dips way down toward the Gulf of Mexico, Upnorth Explorer, February 26, 2014, Madison, Wisconsin.
NOAA weather outlook February 25 to March 1, 2014, as wavy jet stream allows Arctic polar air mass to plunge down over the eastern half of the United States — the third round of freezing polar temperatures in the U. S. winter of 2014.
NOAA weather outlook February 25 to March 1, 2014, as wavy jet stream allows Arctic polar air mass to plunge down over the eastern half of the United States — the third round of freezing polar temperatures in the U. S. winter of 2014.

February 27, 2014 Albuquerque, New Mexico - The polar vortex is back for the third time now this winter, and for many suffering through an already frigid winter, the Arctic air flowing into the lower 48 states may be the coldest yet.

 

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