"Cynthia" <cyn386@flash.net> writes:
> It seems to me, that global warming would reduce hurricanes, not make them
> worse. My logic is this. Hurricanes are caused by temperature differences,
> and global warming would reduce temperature differences.
> The colder the poles are, the more moisture they sucked out of the air. And
> if the polar regions became warmer, then the rainfall and cloud cover would
> increase. Causing the warm regions to become cooler.
>
> And with the cold regions becoming warmer, and the warm regions becoming
> cooler, the temperature differential that causes storms would be reduced.
> Therefore I would expect more mild temperate weather.
Also, higher temperatures -> more evaporation -> more cloud formation -> more sunlight reflected into space. But this effect will not be homogeneous across the planet...
I have seen this idea proposed before, and it just goes to show how tricky climate modelling is. You get a lot of highly nonlinear interactions; an increase in arctic temperatures would reduce the saline cold deep sea currents, possibly weakening the Gulf stream - which might either balance the situation, or cause oscillations leading to a new, likely unpleasant (to us Swedes) climate.
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