HEC-HMS 4.4 Released

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Jeremy Dixon

Stormwater Engineer

USACE has released version 4.4 of the HEC-HMS software after a year of development. New features include:

  • GIS toolkit for subbasin and reach delineation based on input terrain data
    • Future releases are set to include computation of parameters
  • New methodology for losses and baseflow to improve continuous simulation functionality
  • Custom Temporal Precipitation pattern inputs
  • Visualization tools
  • Improved simulation framework to reduce simulation run time

The software can be downloaded here.

The manuals have moved to an online format and are accessible here.

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Jeremy Dixon, PE, CFM, is a Project Engineer in Stormwater Management in Dallas.