MikeCAdministrator
(Admin)
Thu Jul 22 2010 09:34 PM
Re: Two Waves Being Watched

Tropical Storm Bonnie is located just south of Great Exuma Island in the Bahamas, and is holding with a small core just as a minimal Tropical Storm at present.

There is an interesting interaction going on with the system an upper level low to moving toward the west, along with a ridge building in from the northwest. It's a bit of a race between getting pulled up further north and being kicked further west by the ridge building. As the upper level low moves away from it, more effects from the ridge to the northeast will be felt. So in short it has some chance to move a bit more northward, and then be kicked more northwest later. The core of the system will likely be kept small, so if there are any surprises it would likely be a result of that.

The center has relocated north of earlier projections and with these changes may landfall tomorrow in the south Florida mainland, likely in the upper keys and south of Miami. Most likely, Folks in Miami will experience wind and rain of low to mid Tropical Storm force winds, and north of there will get some wind and rain, but the storm will be moving rather rapidly across the state.
Beyond that, it looks like eastern Louisiana or Mississippi may have to deal with the storm in the Gulf, but at this far out with the extremely complex interactions between the upper level low, ridge, and this system it has a very low confidence.

Overnight, because of the lack of visible satellite, following the apparent blowup in convection may not be indicative of where the center is. It could even lose it entirely overnight.

If you are in the Keys or south Florida I highly recommend to check up on the storm in the morning. However, otherwise expect a nasty, but entirely bearable day.



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