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 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 Extreme Precipitation-Frequency Events Sampling Depth-Area-Reduction Curves for a Hypothetical Storm ×