I have studied Hurricane Charley....

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I have studied Hurricane Charley....

#1 Postby Anonymous » Sun Oct 24, 2004 3:24 pm

And a fact I think is true. That cold front that came and pushed Charley to the Northeast... I think that helped the northern outflow. Any comments on that?
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yoda
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#2 Postby yoda » Sun Oct 24, 2004 3:35 pm

I agree. The cold front definitely helped with the outflow of Charley.
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#3 Postby Appalachian » Sun Oct 24, 2004 6:35 pm

I would agree. Features such as that were present at various time this year and amplified the outflow for a number of storms.
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#4 Postby HURAKAN » Sun Oct 24, 2004 7:51 pm

Good reasoning, Floydbuster. There can always be a bad combination when you have a cold front approaching, and the cyclone is moving over the Gulf Stream. Exactly, we saw the same situation with Charley, fortunately it was moving at 18 mph, if not, it would have easily reached Cat. 5.
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Derek Ortt

#5 Postby Derek Ortt » Sun Oct 24, 2004 8:34 pm

I've been reading some papers by Deborah Hanley from FSU and this is onle one positive effect from trough interaction.

A second mechanism that affects systems is when the trough (as defined by the eddy flux convergence being above a certain value) is within 400km. This is known as superposition. What happens here is we have potential vorticity advection over the center, allowing the system to intenify. Typically, the intensification occurs when the region of PV is small as larger areas of PV also tend to have strong vertical wind shear.
Last edited by Derek Ortt on Mon Oct 25, 2004 8:24 am, edited 1 time in total.
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#6 Postby michaelwmoss » Mon Oct 25, 2004 1:23 am

Floydbuster I definately agree with you on that one. As bad as Charley was, he definately had the potential to be much worse
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