PENNSYLVANIA FLOW REPORT

November 21 2024

Streamflow levels across Pennsylvania are currently 25.0% of normal, with the Ohio River At Sewickley reporting the highest discharge in the state with 11800cfs and gauge stage of 14.12 ft. Meanwhile, the Monongahela River At Elizabeth is seeing a spike in streamflows today after experiencing a 189.06% increase since yesterday, and currently running at 1480cfs.

Maximum gauge stage in the state was last observed at the Crooked Cr Bl Catlin Hollow At Middlebury Center, currently reporting a stage of 38.94ft. The Codorus Creek At Pleasureville in the Lower Susquehanna watershed is surging for this time of year at 208cfs, about -23.81% of normal.


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Forecast Model


Summary


Pennsylvania experiences a humid continental climate with average precipitation of around 42 inches per year. Major surface flows include the Susquehanna River, Delaware River, and Ohio River. The Susquehanna River Basin encompasses 27,500 square miles and is home to numerous reservoirs and dams including the Conowingo Dam and Raystown Lake. Major tributaries of the Susquehanna include the Juniata River and West Branch Susquehanna River. The Delaware River Basin spans multiple states and contains several reservoirs and dams, such as the Francis E. Walter Dam and Beltzville Lake. The Ohio River Basin covers parts of western Pennsylvania and includes the Allegheny River and Monongahela River. Watershed and snowpack data can impact hydrology in these areas, particularly in relation to flooding and drought conditions.

Streamflow Distribution

       

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