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from SCS Unit Hydrograph Convolution by Tom Davis
Hydrograph Generation and Analysis Tool

Hydrograph Help - Error Messages

Hydrograph Help home.png

Error Message Cause
Remedy
Unit Hydrograph does not exist.
File has been moved, renamed, or deleted.
Edit Unit Hydrograph field.
Unit Hydrograph is improperly formed.
File fails cursory inspection.
Replace or Edit Unit Hydrograph file.
Rainfall Distribution does not exist.
File has been moved, renamed, or deleted. Edit Rainfall Distribution field.
Rainfall Distribution is improperly formed.
File fails cursory inspection. Replace or Edit Rainfall Distribution file.
Peak Factor must be greater than zero.
Peak Factor is NaN, zero, or negative. Edit Peak Factor field.
Storm Duration must be greater than zero.
Storm Duration is NaN, zero, or negative. Edit Storm Duration field.
Rainfall Depth must be greater than zero.
Rainfall Depth is NaN, zero, or negative. Edit Rainfall Depth field.
Initial Abstraction Ratio must be greater than or equal to zero and less than or equal to one. Initial Abstraction Ratio is NaN, negative, or greater than one. Edit Initial Abstraction Ratio field.
Basin Area must be greater than zero.
Basin Area is NaN, zero, or negative. Edit Basin Area field.
Curve Number must be greater than zero and less than or equal to 100.
Curve Number is NaN, zero, negative, or greater than 100. Edit Curve Number field.
Time of Concentration must be greater than zero.
Time of Concentration is NaN, zero, or negative. Edit Time of Concentration field.
Output Time Increment must be greater than zero.
Output Time Increment is NaN, zero, or negative. Edit Output Time Increment field.

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