22 September 2008

Hispaniola getting another unwanted dose of heavy rain...

An easterly wave that exited the African coast about 2.5 weeks ago (it's been in no rush) is now hovering over the Puerto Rico and Hispaniola area, and is slowly getting better organized.  Last Thursday, it was centered down near Barbados, and since then has turned northward and is presently over the Dominican Republic and has a 1008mb Low associated with it.  It's nearly a Depression, but lacks a well-defined surface circulation.  The cloud tops have been persistently cold, and the outflow is improving, indicating that the vertical shear is decreasing over it.

You can view a radar loop of the disturbance from Punta Cana, Dominican Republic at http://einstein.atmos.colostate.edu/~mcnoldy/tropics/kyle08/Kyle_22Sep08.gif
(new frames will continually be added, so keep checking it!)

It is forecast to continue moving north over the next few days, and gradually intensify.  The US east coast should be aware of this, as it could be affecting the coast by week's end.  The next name on the list is Kyle.

Please visit my tropical Atlantic headquarters.

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