NEW: The Hurricane Warning along the east coast of Florida has been extended northward to the Flagler/Volusia County Line. The Hurricane Watch has been extended northward to Altamaha Sound, Georgia. Full advisory on #Dorian is at: https://t.co/tW4KeFW0gB pic.twitter.com/at3bCDs6OQ— National Hurricane Center (@NHC_Atlantic) September 2, 2019