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Nature 401, 649-650 (14 October 1999) | doi:10.1038/44287

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Hurricane heat engines

H. E. Willoughby

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A hurricane's path is quite easy to forecast, but its intensity is not. A new model, which takes into account the interaction of the storm and ocean-surface temperature, gives remarkably accurate retrospective simulations.

On the night of 3–4 October 1995, Hurricane Opal turned into a forecaster's nightmare. This atmospheric vortex, which had wandered around the southern Gulf of Mexico since late September, had gradually strengthened to become a weak hurricane on 2 October.