From Discovery News:
Just when we might be expecting the influence of unusually high Pacific ocean temperatures to warm us up -- or for global warming to bring relief -- along comes another wave of incredibly cold storms. How the season finally turns out is still up in the air, so to speak, but clearly, that weather patterns that are typical of El Niño have not taken hold across the United States.
And it's easy to forget that global warming is a long-term climate trend that has little to do with individual seasons in one part of the world or another. In fact, it might be hard to appreciate just now, but the year just ended -- 2009 is a single data point -- actually came in a little warmer than the two years before and is fairly close to the middle range of model simulations of the long-term trend that has provoked international scientific concern about global warming.
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