some Convection over an area that had a little swirl earlier on friday around 44w moving west. CMC and GFS models seem to be increasing the vorticity then perhaps weakening it a bit as it moves through the southern windwards
http://moe.met.fsu.edu/cgi-bin/cmctc2.cgi?time=2012092200&field=850mb+Vorticity&hour=Animation
http://rammb.cira.colostate.edu/ramsdis/online/loop_timestamp.asp?data_folder=tropical/tropical_ge_14km_visir2&width=640&height=480
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