For the past few runs GFS has been showing low pressure moving through the Atlantic coming off the African Coast. I know this a long way off and that Cape Verde Season is a couple months away but, I am going post the progress on the GFS and this future area it is depicting.
Current Eastern Atlantic Image
12Z GFS from Cyclone Phase page
12Z GFS track of the Future low
18Z GFS 850mb Voticity 48 Hours
18Z GFS 850mb Vorticity 72 Hours
18Z GFS Sea Level Pressure Loop
http://bricker.met.psu.edu/~arnottj/cgi ... =Animation