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Although seasonal and interannual variability are often attributed to internal variability, there are several possible drivers of polar front jet stream changes that are reviewed in this study. Researchers also review the modelling of jet stream variability. While a consensus has now been reached that some observed drivers can be reproduced in climate models, they conclude that improved understanding of more recently identified drivers of the Atlantic extratropical jet stream is crucial for making progress in regional climate predictions on all timescales from months to decades ahead. [Source: International Journal of Climatology]
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