New Features:

HMS 4.8

  • Build Walls/Burn Streams
  • Subbasin Characteristics Layer Display and Export
  • Junction "Snap to Downstream" and Export
  • USGS Emergency Assessment Debris Model
  • Los Angeles Debris Method EQ 2-5
  • Flow Rate Threshold for Debris Yield Methods
  • Unregulated Outputs
  • New Linear Reservoir Baseflow Option when Paired with the 2D Diffusion Wave Transform Method

More detailed information can be found here.

HMS 4.7.1

  • Enhanced macOS distribution

More detailed information can be found here. 

HMS 4.7

  • 2D Diffusion Wave transform

  • Discretizations

  • Basin characteristics

  • Expanded ASCII/GeoTIFF grid support

  • GIS parameter estimation

  • Spatial results visualization

More detailed information can be found here. 

HMS 4.6.1

HMS 4.6

  • ASCII precipitation-frequency grid

  • Precipitation-frequency grid option in hypothetical storm

  • Depth-area analysis with precipitation-frequency grid hypothetical storm

  • Gumbel Distribution in Uncertainty Analysis

  • Standard Reports

  • Global Monthly Average Evapotranspiration Editor

  • macOS Portable Distribution

More detailed information can be found here. 


Bugs Fixed:

HMS 4.8

  • Sample project extract from Help | Install Sample Projects

  • Import from projection file in Gridded Data Import Wizard

  • Grid cell file validation logic

  • Out of memory issue when Store gridded state variable results program option is turned on

  • Reach characteristics compute failure when reach name is null

  • Subbasin merge failure with self-intersecting polygons

  • Frequency storm re-compute failure after parameterization change

  • Green & Ampt display keys in Optimization Trial compute

  • Alphabetical sort in new global editor framework

  • Failure to launch from CAVI/HEC-WAT after successive launch attempts

  • CAVI/HEC-WAT Internet Maps issue

  • Missing Coordinate Reference System (CRS) for 2D Mesh

  • Sediment transport time series write error

  • Basin copy with structured discretization

More detailed information can be found here. 

HMS 4.7.1

  • Special characters in project name when generating standard report

  • Notes and warnings control when called via the HMS command server

  • Project Save As and CWMS / HEC-WAT import missing grid cell file

  • Grid cell file read fails when grid cell file has no extension

  • Grid cell file validation fails when subbasins within the grid cell file are denoted with all caps

  • Characteristics compute fails when characteristic value is NaN or Infinity

  • Met mode tree not updated after initialization

  • Tool tip settings not reflected in basin map

  • Spatial Results file grows with each compute

  • 2D Diffusion Wave spatial results visualization wet area fraction set incorrectly

  • 2D Diffusion Wave discretization erroneous error message

  • 2D Diffusion Wave computed results discrepancy

More detailed information can be found here. 

HMS 4.7

  • Reservoir storage is incorrect when using FT:FT2 or M:M2 elevation-area function

  • Gridded Green and Ampt: Incorrect parameterization in the component editor

  • Standard Report: Incorrect Units Displayed

More detailed information can be found here. 

HMS 4.6.1

  • Program hang after pre-processing drainage with multiple processors

  • "Could not delineate elements because the break points did not intersect the stream network" error with ESRI WKT projection

  • Terrain File path updated after import

  • Missing data on sediment load results from USGS Long-Term debris yield method

  • Statistics Report Generator - Terminates for Datasets with Elements That Did Not Have Results

  • Standard Report Generator - Overlapping X-Axis (Time) in Several Plots

  • Standard Report Generator - Incorrectly Display Time Series Plots with Missing Data for Certain Dates

More detailed information can be found here. 

HMS 4.6