"The New Year has brought us a blizzard of stories about frigid temperatures and snow storms, but I’ve been unable to find any stories that closely examine what’s going on.
I had been wondering whether I just hadn’t looked hard enough until I read the Jan. 6 Knight Science Journalism Tracker blog and saw that Tracker Charlie Petit is also searching for Arctic blast science stories.
He found a couple of stories that mentioned the Arctic oscillation, but none that answered his question: “Is a corresponding warm air mass billowing from more temperate climes and toward the pole to replace it?"
"Winter Weather Threatens Crops, Livestock as Icy Cold Hangs On" (Business Week)
"Midwest Bracing for Heavy Snow, Wind Chills of -50" (AP)
"Dutch Take To the Ice in Their Hundreds" (AFP) 
"Arctic Blast Brings Parts Of UK To Icy Standstill" (Reuters)