HEC-HMS

Release Notes

The release notes for HEC-HMS 4.13 can be found here.

New Features

• Specified Values Gridded Parameterization
• Additional Detailed Snow Tool Tips
• Interpret Additional Units for Initial Snow Depth and SWE State Grids
• Option to include characteristics with GIS feature export
• Utilizing HEC-HMS 4.14 with HEC-RTS 3.6, users can now directly access the HEC-HMS snowmelt graphs directly from the HEC-RTS program interface. 

Known Issues

The status of issues identified in the CWMS 3.5 release can be found here. 

The known issues as of the CWMS 3.6 release can be found here.

Fixed Bugs

Key bug fixes to highlight include:

• Migration path for project with deleted terrain data
• Elements reassigned from one zone to another via the map panel can incorrectly show up as unassigned
• Metrics not calculated when observed flow has missing data
• Forecast Alternative computing odd results with Rule Based Operations
  
  

  This correction will change computed results.

• Revise calculations for downstream rules in Rule-Based reservoir routing
  
  

  This correction will change computed results.

• Rule-Based Operations Reservoir method error when converting from v4.12 to v4.13
• Maintain selected filter when displaying Calibration Summary Table results
• Forecast editors available from right-click menu when no zone configurations selected