[metmom]

The longer it’s over warm water, the more likely it is to become something. The global warming folks will be salivating for the nest couple weeks.

[Sax]

Look at how quickly it pulled itself together. But it’s a slow mover and slow movers get pushed up and out to the north.

http://www.meteo.psu.edu/~gadomski/SAT_ATL/atlanim8ir.html