WMS:HEC-HMS Defining the Meteorological Model
Users can define meteorologic data for the model by selecting the Meteorologic Parameters menu item from the HEC-HMS menu.
Selecting this menu item will bring up the HMS Meteorological Model dialog. This dialog is used to assign precipitation data to all the basins in the model.
The same precipitation method must be assigned to all the basins in the HMS model. The precipitation method choosen should be based on the type of analysis to be run. If having rainfall gage data for the watershed, users can use the user hyetograph or the user gage weighting method. If wanting to create a synthetic storm with a known exceedance probability, select the frequency storm method. If you want to model a standard project storm, select the standard project storm or the SCS hypothetical storm method. You should only use the No Precipitation option if your HMS model does not have any basins. See the topics below for more detailed information about the HMS Meteorological Model dialog.
Related Topics:
- Frequency Storm
- Gages
- Convert Grids (NEXRAD Radar rainfall grids)
- SCS Hypothetical Storm
- Standard Project Storm
- User Hyetograph
- Meteorological Options
- HMS Overview
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