Bentley StormCAD CONNECT Edition Help

CN Weighting

Note: Figures and tables referred to in this help section are referring to the TR-55 document. The tables are reproduced, see: Reference Tables .

These sections are reproduced from TR-55, Urban Hydrology for Small Watersheds (U.S. Soil Conservation Service 1986b):

Antecedent Runoff Condition
Urban Impervious area Modifications
Connected Impervious Areas
Parent topic: SCS CN Runoff Equation