Did polar ice melt bring Big Freeze arctic weather to Europe?
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Normally, the sun's heat is reflected back into the atmosphere by arctic ice. But according to scientists at the Alfred Wegener Institute for Polar and Marine Research in Potsdam, Germany, less ice this summer meant solar heat was absorbed by the Arctic Ocean. Once that heat is in the ocean, the air above the ocean's surface becomes warmer and moisture-laden. This warmer, moisture-laden air creates instability in the atmosphere and changes air-pressure patterns. Patterns such as the Arctic Oscillation, which normally pushes keeps arctic air over the poles. In January, the Arctic Oscillation abruptly changed, allowing cold air over much of Europe. SOURCE: CNN