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Applications of the NWS FLDWAV Model

Applications of the NWS FLDWAV Model. Teton Dam Failure on Snake River. Teton Dam Failure Specifications. Dam Height: 300 ft Crest Length: 3,000 ft Storage behind dam: 250,000 acre-ft Dam crest width: 35 ft Slope of upstream dam face: 1:2 Slope of downstream dam face: 1:2.5.

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Applications of the NWS FLDWAV Model

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  1. Applications of the NWS FLDWAV Model

  2. Teton Dam Failure on Snake River

  3. Teton Dam FailureSpecifications Dam Height: 300 ft Crest Length: 3,000 ft Storage behind dam: 250,000 acre-ft Dam crest width: 35 ft Slope of upstream dam face: 1:2 Slope of downstream dam face: 1:2.5 Failure occurred June 6, 1976 11 people killed 25,000 people homeless $400M damage Peak Outflow: 1.6 – 2.8 million cfs (2.3M best estimate) Breach shape – trapezoid. Max width 500 ft; side slope 1 : 0.5 Reservoir depleted in 5 hrs

  4. Outflow Hydrograph and Flooded AreaDownstream of Teton Dam

  5. Teton Dam Failure

  6. Susquehanna River System

  7. Susquehanna River System

  8. Lower Mississippi River System

  9. RED RIVER LDG (MI 302.4) MORGANZA DIVERSION BATON ROUGE DONALDSONVILLE RESERVE BONNET CARRE DIVERSION MISSISSIPPI NEW ORLEANS CHALMETTE GAGING STATION AND COMPUTATIONAL NODE PT A LA HACHE COMPUTATIONAL NODE LATERAL INFLOW OR OUTFLOW VENICE (MI 10.7) Lower Mississippi River

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