Know your area's flood risk -- if unsure, in the United States and its territories, call your local American Red Cross chapter or emergency management office. Consult this site's flood map as prepared by FEMA, the Federal Emergency Management Agencyi. If it has been raining hard for several hours, or steadily raining for several days, be alert to the possibility of a flood. Listen to local radio or TV stations for flood information. Floods Can Take Several Hours to Days to Develop.
- A flood WATCH means a flood is possible in your area. A flood WARNING means flooding is already occurring or will occur soon in your area.
- A flood WARNING means flooding is already occurring or will occur soon in your area.