'Arctic Oscilliation' Behind Season's Mixed Winter Weather

For snow fans in the contiguous US, this winter has left much to be desired. The warm and mild season in the lower 48 and the wild snow dumps and cold weather up north in Alaska can be blamed largely on a weather pattern called "arctic oscillation." Audie Cornish gets an explanation of the weather phenomenon from meteorologist Jeffrey Masters.

Source: http://www.npr.org/2012/02/03/146362936/arctic-oscilliation-responsible-for-mixed-winter-weather?ft=1&f=1007

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