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July 15, 2012
Is the Current Heat wave Caused by Global Cooling?
Back in 2010 Judah Cohen, director of seasonal forecasting at Atmospheric and Environmental Research, a private consulting firm helping businesses manage weather and climate-related risk, wrote an op-ed in the New York Times arguing that the unusually nasty winter we experienced in North America was a result of Global Warming. Cohen made the following argument: "As global temperatures have warmed and as Arctic sea ice has melted over the past two and a half decades, more moisture has become available to fall as snow over the continents. So the snow cover across Siberia in the fall has steadily increased. The sun's energy reflects off the bright white snow and escapes back out to space. As a result, the temperature cools. When snow cover is more abundant in Siberia, it creates an unusually large dome of cold air next to the mountains, and this amplifies the standing waves in the atmosphere, just as a bigger rock in a stream increases the size of the waves of water flowing by. The...(Read Full Post)