Question for the Board regulars...

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Typhoon_Willie
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Question for the Board regulars...

#1 Postby Typhoon_Willie » Thu Jul 24, 2003 8:31 am

What is the definition of SAL? I have seen the term a few times. I do not know what it means. Thanks!
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Stormsfury
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#2 Postby Stormsfury » Thu Jul 24, 2003 9:00 am

The SAL is the Saharan Air Layer ... or a layer of dry air usually between 10ºN-20ºN in the Atlantic ... and usually will contain African dust as well ... the SAL is typically unfavorable for TC's to develop due to dry air and sometimes the dust, and TC's that usually embedded in these areas are usually held in check ... such as may have been the case with Tropical Depression #6, when it seems everything was a go for it to strengthen ...

http://www-lite.larc.nasa.gov/n_saharan_dust.html

Right now, the SAL is quite strong across the Atlantic.
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#3 Postby Typhoon_Willie » Thu Jul 24, 2003 9:07 am

Thanks for the info Stormsfury! I appreciate it! :D
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