Here are the 5 AM AST/EDT August 30 Key Messages for Hurricane #Dorian. A prolonged period of hazardous weather conditions that could last for a couple of days is possible across parts of Florida early next week. Visit https://t.co/tW4KeFW0gB for more info. pic.twitter.com/5n4nGwYNfB— National Hurricane Center (@NHC_Atlantic) August 30, 2019