no or zero simulated flows at outlet channel

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Eskinder Zinabu Belachew

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Jun 8, 2026, 8:09:35 AM (2 days ago) Jun 8
to QSWAT+

SWAT+ Issue Report Template

  1. Primary Issue Location

Component: SWAT+ Editor Area of impact: Model output (runoff simulation)

  1. Software Versions

GIS Interface: SWAT+ Editor v3.2.4

  1. Project Characteristics

Watershed Details: 6090.77 ha Modeling Aim: Water balance, ET, flow, water quality

  1. Description of Issue

The Problem: After running the model in SWAT+ Editor (v3.2.4), the simulated flows values are consistently zero. To confirm, I checked the automatic calibration chart in the SWAT+ Toolbox, and it also shows simulated flow as zero, while the observed flow is displayed properly.

Steps to Reproduce:

  • Load project in SWAT+ Editor v3.2.4

  • Run simulation

  • Export txtinout to SWAT+ Toolbox

  • Open automatic calibration chart

  • Observed flow appears correctly, but simulated flow remains zero

Request: Could you please advise on possible causes of this issue and recommend steps to resolve it?

Nancy B. Sammons

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Jun 8, 2026, 10:20:10 AM (2 days ago) Jun 8
to Eskinder Zinabu Belachew, QSWAT+

Eskinder: 

Send me your current txinout folder and I will take a look.

Thanks,

Nancy

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