How to Survive Flash Floods on Newsfeed - Recent flash floods in Memphis, TN has brought awareness to the dangerous situation, and there are things you can do to make yourself safe besides the only thing I know to do, put on kid’s floaties and scream really loud. Flash floods happen roughly 6 hours after a severe thunderstorm. Be aware of the weather if you live in a low lying area and maybe plan on hanging out on higher ground for a few hours afterwards and trying to name stuff as it floats by like playing one of those exciting road trip games. Stock up on survival supplies in case floods cut off your ability to hit the store for a few days. Buy a lot of canned foods; first aid kit and fresh water… don’t drink the flood water. It’s really gross. The more you know… wait, that’s not our thingSurviving a flash flood can either be a very easy proposition or one that can literally threaten your life. Fear not, though! You'll have a leg up once you check out these flash flood tips.