Scientists have long known that atmospheric convection in the form of hurricanes and tropical ocean thunderstorms occurs when sea surface temperature rises above a threshold. So how do rising ocean temperatures with global warming affect this threshold? If the threshold does not rise, it could mean more frequent hurricanes. A new study shows this threshold SST for convection is rising under global warming at the same rate as that of the tropical oceans.

7th November 2010 04:00 AM

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