Louisiana declares state of emergency, 20 million under flash flood watch

Louisiana has declared a state of emergency as a tropical storm is set to cause heavy rain and massive flooding in the state and up to the Alabama-Florida border. NBC News’ Bill Karins analyzes Potential Tropical Cyclone Three's impact and what to expect from the storm.

Our goal is to create a safe and engaging place for users to connect over interests and passions. In order to improve our community experience, we are temporarily suspending article commenting