RiverWare model outputs for flood calculations along the Arkansas River for a flood event in eastern and Northeastern Oklahoma during May-June 2019

As much as 22 inches of rain fell in Oklahoma in May 2019, resulting in historic flooding along the Arkansas River and its tributaries in eastern and northeastern Oklahoma. The flooding along the Arkansas River and its tributaries began in May continued into June 2019. Peaks of record were measured at nine U.S. Geological Survey (USGS) and U.S. Army Corps of Engineers (USACE) streamgages on various streams in eastern and northeastern Oklahoma. This data release documents the model output files for the Riverware model used to simulate regulated and unregulated conditions and the physical and operational input data, including spillway and outlet works, rating curves, established pool limits, and regulation criteria for modeling system operational constraints. The RiverWare model was developed and maintained by the USACE Tulsa District. RiverWare provides a stream basin modeling environment for operations and planning that allows a high degree of flexibility for users to model any stream basin, manage data input and output efficiently enough for near real-time operations, and provide a selection of solution algorithms. In addition to documenting the model output files, a copy of the model is provided for the convenience of the user.