By September 20 , the system was located off the east coast of Florida , producing scattered thunderstorms ; unfavorable wind shear prevented tropical redevelopment , though forecasters indicated the possibility for more favorable conditions a few days later .
By September 20 , the system was off the east coast of Florida , creating scattered thunderstorms ; unfavorable wind shear stopped tropical redevelopment , though forecasters mentioned the possibility for more favorable conditions a few days later .