Before downloading HEC-GeoHMS, ensure that your system meets the following requirements:
As of April 2021 (with HEC-HMS version 4.8), the HEC-HMS team is no longer actively developing or supporting HEC-GeoHMS. download hec geohms for arcgis 108 exclusive
Once installed, HEC-GeoHMS can be accessed directly from within ArcGIS 10.8. To get started: Before downloading HEC-GeoHMS, ensure that your system meets
This usually means the Spatial Analyst extension is not enabled. Go to Customize > Extensions and check the box. If the box is checked but the tool is still inactive, verify your ArcGIS license level (Basic, Standard, or Advanced). Component Category Manager Errors Before downloading HEC-GeoHMS