Question on CV Waves

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galaxy401
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Question on CV Waves

#1 Postby galaxy401 » Mon Jul 08, 2013 3:25 pm

Why is it that many tropical waves off Africa move westward at a very fast speed? We're seeing Chantal struggling due to the fast speed and I remember storms last year struggling off Africa due to their fast speed. Can someone explain why that is? Does it have to do with fast west wind or what?
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AJC3
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#2 Postby AJC3 » Mon Jul 08, 2013 9:55 pm

I would Google/Wiki the articles on trade winds and the African easterly jet for starters.

The strength of the low level trade wind flow in the MDR is a function of the pressure gradient between the Azores-Bermuda high and the ITCZ.
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