Multiple Storm Events in InfoSWMM and How to Use them in the Scenario Manager
Subject: How to make Multiple Storm Events in InfoSWMM and How to Use them in the Scenario Manager Step 1. Make a new Time Series to hold the data points for your new Rainfall Time Series in the Operation Tab of the Attribute Browser. Step 2. Populate the Rainfall Distribution with a SCS Type II Hyetograph with a 1 inch rainfall total Step 3. Now Clone the created Rainfall Distribution and make 10, 25, 50 and 100 year storm events each with 1 inches of rainfall in a cumulative distribution. Step 4 . Now use the Block Edit command and convert each of the newly created hyetographs to 4, 7, 10, 15 and 20 inch cumulative rainfall totals from the original 1 inch rainfall total (for example). Step 5 . Now create a Raingage for each of the newly created hyetograph time series using the DB Editor under the Raingage Table in Hydrologic Data Step 6 . Link the Time Series to the new Raingages and define the type (cumulative), units (inches) and hyetograph interval (15 minutes) Step 7 ...