HEC-HMS Tutorials and Guides Current: NEW Tutorials to Check Out PDF Download PDF Download page NEW Tutorials to Check Out. Current page Include child pages All pages NEW Tutorials to Check Out Transforming Regulated Streamflow to Unregulated Streamflow using Hydrologic Routing Transposing Gridded Precipitation Rule-Based Reservoir Operations Quick Start Guide Applying the Pak and Lee Dynamic Surface Method for Post-wildfire Hydrologic Modeling Creating Depth-Area Reduction Curves from Gridded Precipitation Data ×