HEC-HMS time of concentration increased by one time interval?

Harsh Upadhyay @Harsh-Upadhyay-4

08 May 2022 1 2K Report

After running a simulation in HEC-HMS, I'm getting the following warning:

Warning 42403: Time of concentration increased by one time interval (24h) in basin X.

This is causing my simulated hydrograph peak to occur 24 hours after the observed peak.

What can I do to resolve this issue?

Thank you.

Rafael Anleu

Harsch, you need to give some more detail about your model setup in order for anybody to be able to say anything about what may be the cause of this.

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