Isaac prompts hurricane warnings from La. to Fla.
150750029JR066_TAMPA_PREPAR
Credit: Getty Images
TAMPA, FL - AUGUST 25: Lee Bittner buys a generator and a bottle of water at Home Depot on August 25, 2012 in Tampa, Florida. Area residents are preparing for Tropical Storm Isaac just before the Repulican National Convention which will be held at the Tampa Bay Times Forum during the week of August 27th. The Tropical Storm might become a hurricane by the time it hits ground. (Photo by Joe Raedle/Getty Images)
