How low will a Hurricane go? (South, that is.)

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jerseydevil11
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How low will a Hurricane go? (South, that is.)

#1 Postby jerseydevil11 » Thu Aug 24, 2006 11:08 pm

What is the farthest south in the Carribean that a TD or H will form? Some Carribean islands (Aruba) are Hurricane immune.
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WxGuy1
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#2 Postby WxGuy1 » Fri Aug 25, 2006 12:26 am

I think the rule-of-thumb, generally-accepted minimum latitude for TD, TS, or H development is about 10 degrees. The Coriolis parameter tends to be too insignificant to allow for proper rotation that near the equator (e.g. convergence into a low pressure center does not generate much vertical vorticity -- "spin").
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Aslkahuna
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#3 Postby Aslkahuna » Fri Aug 25, 2006 1:20 am

I think it's more of a factor that below 10N the developing systems quickly run afoul of the landmass of South America-a portion of which is actually in the Northern Hemisphere. I say this because if you look at the Pacific, you find storms that develop below 10N quite frequently. The most extreme example being Vamei at 1.5N.

Steve
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