A flood warning (or a flash flood warning), however, “means that weather conditions are favorable for flooding,” Nelson says. Basically, hazardous weather is either on its way or already happening—and you should move to higher ground. It may feel silly to take precautions well before warnings are escalated, but you may not have time to do things like put valuables in a safe place once heavy flooding starts. If you know a storm is coming or your area has been put under a flood watch, consider doing the following:
