SOUTH DAKOTA FLOW REPORT

November 21 2024

Streamflow levels across South Dakota are currently 83.0% of normal, with the James R Near Scotland Sd reporting the highest discharge in the state with 666cfs and gauge stage of 5.32 ft. Meanwhile, the James R Near Scotland Sd is seeing a spike in streamflows today after experiencing a 2.94% increase since yesterday, and currently running at 666cfs.

Maximum gauge stage in the state was last observed at the James River At Nd-Sd State Line, currently reporting a stage of 87.99ft. The James R Near Forestburg Sd in the Lower James watershed is surging for this time of year at 529cfs, about 51.72% of normal.


Forecast Model


Summary


South Dakota has a humid continental climate with four distinct seasons. The Missouri River, which forms the eastern border of the state, is the largest and most significant surface flow. It is subject to extreme flooding during spring and summer due to snowmelt and heavy rainfall. Other major rivers include the Cheyenne, James, and Big Sioux. The state has several reservoirs and dams, including the Oahe, Fort Randall, and Big Bend dams, which provide flood control, irrigation, and hydroelectric power. South Dakota's hydrology is influenced by its topography, soil type, and vegetation cover, which affect the amount and rate of water infiltration and runoff. The state's snowpack and precipitation patterns are important factors in determining water availability and storage.

Streamflow Distribution

       

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