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Flooding

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Flooding

Flooding is the most frequently occurring natural disaster in Ohio as well as in the United States. Floods in Ohio occur in rivers and streams when flow exceeds the capacity of the channel in to the floodplain. Although this is a natural process, humans continue to inhabit areas where flooding is eminent in flood hazard areas. Development in flood hazard areas often leads to loss of life and property - floods damage property and infrastructure in Ohio every year.

For more information, see the section on flooding in the State Hazard Mitigation Plan: Section 2.2

Reference Links

Flood Types

National Weather Service

Describes the types of flooding that are typical in the Ohio and how to protect yourself, your family and your home. The page also contains information on significant Ohio floods, links to NWS offices that provide forecast and safety information for Ohio, as well as links to partners who play a significant role in keeping Ohioan's safe.

Automated Flood Warning System (AFWS)

Supplying data including water supply monitoring, recreation forecasts, navigation, sewer and waste treatment operations, power generation, structural design, and emergency planning.

FEMA Map Service Center

Flood Maps, Firmettes, DFIRM Databases, MapViewer, and other documents, publications and forms pertaining to The National Flood Insurance Rate Program.

National Climatic Data Center (NCDC)

Storm Event database to find various types of storms recorded in your county or use other selection criteria as desired.

USGS StreamStats

Shows streamflow statistics and basin characteristics. Examples of streamflow statistics include the 100-year flood, the mean annual flow, and the 7-day, 10-year low flow.

USGS Real-Time Water Data for Ohio

Typically recorded at 15- to 60-minute intervals, stored onsite, and then transmitted to USGS offices every 1 to 4 hours, (depending on the data relay technique used).

National Weather Service Map

An interactive map that shows flood gauges in Ohio.

Community Collaborative Rain, Hail and Snow Network (CoCoRaHS)

A unique, non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and map precipitation (rain, hail and snow).

Floodplain Management Program

Ohio Department of Natural Resources

Advice and technical information to reduce the impact of flooding. Emphasis is placed on floodplain management and coordination of the National Flood Insurance Program. The staff recommends management strategies to reduce flood damage and promote the natural benefit of floodplains. It also serves as the state repository for flood data.