Scientists Claim To Have Perfected Long-Term Climate Forecasts - Irish Weather Online

Fancy finding out what the weather is going to be like at the end of 2011? Atmospheric scientists at UCLA (University of California, Los Angeles) are now claiming to have made long-term climate forecasts that are among the best ever — predicting climate up to 16 months in advance, nearly twice the length of time previously achieved by climate scientists.
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A major issue addressed by Ghil and his colleagues in the PNAS research is the difficulty of separating natural climate variability from human-induced climate change and how to take natural variability into account when making climate models.