(Weather Master)
Tue Sep 09 2003 04:25 PM
Re: Hypercane

The center of the ULL is currently located at about 22N and 62W. Now...if you look carefully at the steering currents link that I posted, you can see the southwest-northeast orientation of the air flow around the ULL. Here's what we have:
1. The ULL is currently moving west, while the high pressure is building the north of it.
Isabel is essentially being steered by the high pressure completely. The flow that Isabel is in right now is still ese-wnw, thus a wnw movement overall. As Isabel hits the section of the high that is building, she will turn west. I think some may be confused about what is predominately steering Isabel. One look at the steering currents indicates that Isabel is currently being steered by the high pressure...the kink in the air around the ULL far enough west that it may not be influencing Isabel much at all right now.

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