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Hurricane



Ok, well I did ask for a simple explanation but now I'd like to know more.
How the heck does a huricane change random thermal motion into 150mph
winds? This is a neat trick (and at first glance would appear to contradict
the second law of thermo...).

kyle

At 9:27 AM -0400 9/30/98, Herbert H Gottlieb wrote:
On Wed, 30 Sep 1998 07:39:29 -0400 kyle forinash <forinas@indiana.edu>
writes:
As long we are on the subject of hurricanes- can anyone give a short
explanation of how hurricanes come to be, in particular, why do they
gain energy while over water (but lose energy over land)?

Over water, the warm winds pick up the fast moving (energetic) water
molecules
that have escaped from the surface by evaporation.

Over land, the winds are slowed by friction with the surface.

Herb Gottlieb from New York City
(Where we never have hurricanes but everyone is always in a hurry)


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kyle forinash 812-941-2390
forinas@indiana.edu
Natural Science Division
Indiana University Southeast
New Albany, IN 47150
http://Physics.ius.indiana.edu/
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