Clark
(Meteorologist)
Mon Oct 17 2005 07:19 PM
Re: Tropical Storm Wilma Forms in the Western Caribbean

You'd almost expect the coldest tops in IR (the cirrus debris you mention) to move in an anticyclonic fashion, being up near the outflow layer and all with a ridge of high pressure aloft above the storm. That's nothing unexpected or detrimental to the storm. There are some nice low-level outflow boundaries on the north & northeast sides of the storm right now, evidenced on visible imagery, with some gravity waves in the midst of the convection removed to the NE of the storm. Pretty cool to see on vis, even if they are a little hard to pick out from time to time.

Do expect that the center is reforming a bit further south & southeast right now, continuing a trend I've been watching the past few hours on satellite imagery. The warm area developing on IR imagery is just south of where I'd place the center; what appears to be some mid-level dry air is becoming entrained on the west & side quadrants of the storm, somewhat separating the large mass of convection (feeder band) to the south from the main core of the system. Impacts on intensity in the short-term? To be determined...need recon down there to tell us where it's at now strength-wise.



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