Spoken
(Weather Hobbyist)
Tue Oct 18 2005 09:25 PM
Attachment
Re: Vortex message

Quote:

...pressure is a good measure of intensity, but is not always directly correlated to wind speed. The environmental pressures are lower-than-normal in the NW Caribbean, making the pressure gradient between Wilma and its environment weaker/flatter, lending itself to at least somewhat lower winds...


In the attached image (originally from http://www.ssd.noaa.gov/PS/TROP/DATA/RT/GMEX/VIS/20.jpg ) does the line of clouds between Apalachicola and Cancun indicate a boundary between areas of differing pressure? Incidentally the line seems to be shifting slowly westward, particularly along more southern portions of it.


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