Applications of the NWS FLDWAV Model

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Applications of the NWS FLDWAV Model
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Teton Dam Failure on Snake River
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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 12 Slope of
downstream dam face 12.5
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
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Outflow Hydrograph and Flooded AreaDownstream of
Teton Dam
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Teton Dam Failure
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Susquehanna River System
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Susquehanna River System
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Lower Mississippi River System
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Lower Mississippi River
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