HEC-HMS Tutorials and Guides HMS Modeling Applications Current: Probable Maximum Flood Tutorials PDF Download PDF Download page Probable Maximum Flood Tutorials. Current page Include child pages All pages Probable Maximum Flood Tutorials Developing Probable Maximum Precipitation (PMP) Estimates Estimating the Probable Maximum Flood (PMF) Starting with No Existing Model Estimating the Probable Maximum Flood (PMF) Using an Existing HEC-HMS Model Routing the Probable Maximum Flood (PMF) Hydrograph through a Reservoir Model to Compute the Peak Reservoir Stage ×