For anyone curious like me , to save you googling time, here is more info on "computer modeling":
Understanding the National Hurricane Center's computer models

http://www.wunderground.com/hurricane/models.asp

http://www.wunderground.com/blog/weatherboykris/comment.html?entrynum=23&tstamp=200701

FWIW, based upon the number of views this thread has received, a weather category might be nice.

Aruba Bound! ~ Hoosier Kitties ~ Our-Cruises ~ Blogging to Aruba
Back to paradise Trip #18

When I want to look to the future I look to the east, here is a site from USAToday http://www.usatoday.com/weather/TWC_..._440x297_2.htm
now it not a loop so you can not see rotation but it is active since this is summer.
Then you still need to see how the energy gets pushed around.

I would relax remember Aruba has one of the lowest chances of getting a direct hit from a hurrican, the stuff from Dean were rain bands that made it to the island.