Our turbulent weather is getting even harder to predict

Our weather, always unpredictable, is now fluctuating on a grand scale and becoming increasingly hard to forecast long-term. The challenge for meteorologists is to explain these unexpected outbreaks of climatic unpleasantness.

"There is no doubt that the recent weather has been highly changeable – on both sides of the Atlantic," said meteorologist Nicholas Klingaman of Reading University. "We have blizzards and flooding. America has had droughts and scorching temperatures."

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