[ncl-talk] Hargreaves reference evapotranspiration problem

[Oluwaseun Ilori]

Thanks so much for the help. It actually works and I was able to see that
my inputs minimum and maximum temperature are of not the same units.

Thanks for the help.

... WILSON

On Sun, May 12, 2019, 1:26 AM Dave Allured - NOAA Affiliate <
dave.allured at noaa.gov> wrote:

> Subdivide the problem.  First examine arrays inside your generating
> script, not output files.
> Use printMinMax, print (num ( isnan_ieee(x) )), etc. to examine result
> arrays and intermediate calculations, BEFORE writing files.  Examine files
> only if you can show some discrepancy between what the script thinks it is
> writing, and actual file contents.
>
> --Dave
>
>
> On Sat, May 11, 2019 at 6:12 PM Oluwaseun Ilori <wilseun at gmail.com> wrote:
>
>> In addition also, I use the method of *refevt_hargreaves_fao56*
>> <http://www.ncl.ucar.edu/Document/Functions/Crop/refevt_hargreaves_fao56.shtml>
>> described in the NCL Application.
>>
>> Thanks
>>
>> On Sun, May 12, 2019 at 1:58 AM Oluwaseun Ilori <wilseun at gmail.com>
>> wrote:
>>
>>> Good day,
>>> I computed potential evapotranspiration using the example under ncl
>>> application using hargreaves method and saved as netcdf file. when I tried
>>> to view the data with simple plot of annual mean or so using both ncl and
>>> ferret the displayed plot shows nothing rather than latitude and longitude
>>> axis. i tried to print the MinMax of the REFEVT variable but the output
>>> shows nan for both min and max values. I attached the script that I used to
>>> compute the PET, ncdump output of the netcdf generated (result) and ncl
>>> printMinMax and printVarSummary. Please I need help on what is wrong with
>>> my script or result netcdf output.
>>>
>>> <http://www.ncl.ucar.edu/Document/Functions/Crop/refevt_hargreaves_fao56.shtml>
>>> *OLUWASEUN ILORI*
>>> *B.Tech(Hons) in Meteorology*
>>>
>>> *M.Tech in Meteorology and climate science (in view)*
>>>
>>> *Phone: +2347031000687 +2348069154213*
>>> *Federal University of Technology Akure. Nigeria.*
>>> *Facebook: *http://facebook.com/hilorywilson
>>> <https://www.facebook.com/hilorywilson>
>>> linkedln: https://www.linkedin.com/in/wilson-ilori-447952108
>>> Twitter: HiloryW
>>>
>>
>>
>> --
>> *OLUWASEUN ILORI*
>> *B.Tech(Hons) in Meteorology*
>> *M.Tech in Meteorology and climate science*
>>
>> *Phone: +2347031000687 +2348069154213*
>> *Federal University of Technology Akure. Nigeria.*
>> *Facebook: *http://facebook.com/hilorywilson
>> <https://www.facebook.com/hilorywilson>
>> linkedln: https://www.linkedin.com/in/wilson-ilori-447952108
>> Twitter: HiloryW
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