RIVER FLOOD ACTION PLAN

 

 

 

 

 

MAJOR LINKS

REAL-TIME RIVER LEVELS: Great Miami River North Street Gauging Station

CITY OF SIDNEY FLOOD ACTION PLAN: City Flood Action Stages

RIVER READINGS VS ELEVATIONS: Readings Level vs. Elevation

NATIONAL WEATHER SERVICE: River Flood Forecast

 

*RIVER LEVEL

 

11.1 Feet Minor flooding (At this river level, water is moving at a flow rate of 63,472 gallons/second)

River breaches bank on the west side of Custenborder Field near the Raw Water Pump Station

 

12.1 Feet Minor flooding (At this river level, water is moving at a flow rate of 74,676 gallons/second)

River breaches bank on Riverside Drive

v     Flooding of Custenborder Field at East River Intake

v     Flooding of homes along the Great Miami River on Riverside

Drive from BK Root Beer Stand to the City Limits.

 

14.6 Feet Moderate flooding (At this river level, water is moving at a flow rate of 108,275 gallons/second)

River breaches west bank on County Rd 25A South

v     County Rd 25A near Cemetery will flood north to the Big Four

Bridge where the Jersey Barriers are located.

18.02 Feet Major flooding (At this river level, water is moving at a flow rate of 160,544 gallons/second)

River breaches Jersey Barriers on South Ohio in front of Big Four Bridge

v     Flooding of Crescent Drive Area

v     Flooding of South Ohio Area

v     Flooding of Brooklyn Ave Area

 

18.54 Feet Record Flooding (At this river level, water is moving at a flow rate of 171,748 gallons/second)

River breaches 100 yr flood wall

v     Entire south end of the City is flooded

 

NATIONAL WEATHER SERVICE DEFINITIONS

Minor flooding: Minimal property damage, but possibly some public threat or inconvenience. (isolated road flooding).

Moderate flooding -- Some inundation of structures and roads near stream. Some evacuations of people and/or transfer of property to higher elevations is necessary.

Major flooding -- extensive inundation of structures and roads. Significant evacuations of people and/or transfer of property to higher elevations.

Record Flooding - flooding which equals or exceeds the highest stage or discharge at a given site during the period of record keeping.