Forsyth 18Oct07

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CORPS OF ENGINEERS Flood Fight Operations October 16-18, 2007 Mobile District

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Mobile District River Basins

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Water Management Staff Supervisory Hydraulic Engineer 4 Hydraulic Engineers 2 Engineer Interns 1 Hydrologist 1 Meteorologist 3 Hydrologic Technicians Office staffed 365 days/year (limited hours on weekends & holidays) Basin Managers on-call 24 hours

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Data Collection Process Project Data via computer, fax or e-mail Water Management Section GOES Satellite Stream & Rainfall Gages Rainfall Forecast Stage Forecast

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Water Management Section Water Mgt. Web Page Periodic Updates Data Dissemination/Data Exchange Process River Forecast Center EMA’s Resource Mgr. Office South Atlantic Div District EOC & Executive Office Public Affairs Georgia Power Dam Operator Instructions

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http://water.sam.usace.army.mil

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Flood Notification Dam Operator Water Management Section Other Situational Local EMA FL EMA GA EMA South Atlantic Division SERFC Resource Manager Emergency Operations GA Power Public Public Affairs AL EMA AL Power

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Flood Control Actions Exchange data with River Forecast Center Prior to Storm Events Monitor gages and downstream points Monitor precipitation forecasts (QPF)

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Flood Control Actions Monitor gages and downstream points Follow surcharge schedule to make releases at projects when/if required Notify emergency management offices Provide updated data to River Forecast Center Make press releases to impacted areas Exchange data with River Forecast Center Receive hourly reports from Corps projects During Storm Events

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Flood Control Actions Evacuate water as quickly as practicable when downstream conditions allow Follow surcharge schedule to make releases at projects when/if required Conduct after action activities After Storm Events

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Allatoona Dam Flood Protection at Rome Carters Dam Rome

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Carters on the Oostanaula River Allatoona on the Etowah River 1975 1949

Flood Benefits: 

Flood Benefits Allatoona Dam reduces flooding at Cartersville, Kingston, and Rome Carters Dam reduces flooding at Resaca, and Rome Allatoona provides majority of flood reductions for Rome

Flooding Scenarios at Rome: 

Flooding Scenarios at Rome Single or series of storms like the 1964 flood Majority of rain may occur below Allatoona and Carters Flooding from the Oostanaula River Flooding from the Etowah River Flooding from Oostanaula and Etowah at Rome

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Top of Dam Top of Flood Control Pool Normal Pool

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Top of Dam Top of Flood Control Pool Normal Pool Moderate flood stored in this area of pool

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Top of Dam Top of Flood Control Pool Normal Pool Major floods in Surcharge Zone

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Lake Sidney Lanier Hydroelectric Power Navigation Recreation Flood Control Water Supply Fish/Wildlife Water Quality Walter F. George Lake Hydroelectric Power Navigation Recreation Fish/Wildlife Water Quality Lake Seminole Hydroelectric Power Navigation Recreation Fish/Wildlife Water Quality ACF River System George W. Andrews Lake Navigation Water Quality Recreation West Point Lake Flood Control Recreation Fish/Wildlife Navigation Hydroelectric Power Water Quality

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USGS Stream Gages 23 Gages from Buford Dam to Vinings 16 Gages from Vinings to West Point Lake 4 Gages from West Point Dam to W.F. George Dam

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CORPS OF ENGINEERS Mobile District Bob Allen E-mail: robert.a.allen@usace.army.mil http://water.sam.usace.army.mil