[Met_help] Q2 Mixing Ratio WRF Statistics

John Halley Gotway johnhg at ucar.edu
Thu Nov 5 08:23:46 MST 2009


I checked the WPP user's guide and see that you're correct.  WPP does not derive the mixing ratio.  I've asked the scientists in our group for some advice on this and will let you know what I hear back.

John Halley Gotway
johnhg at ucar.edu

Ann L Mazuk wrote:
> Hello,
> I'm assuming this is probably a WRF Post Processor question, but I have 
> asked the WRF community for help, but have received no reply.  Thus, I 
> thought I would try here and see if perhaps someone here can shed some 
> light.
> I would like to use MET to calculate mixing ratio (Q2/MIXR, grib id 53) 
> statistics on my WRF output file.  I am using the WRF Post Processor (WPP) 
> to convert WRF output into grib1 format to use with MET.
> It appears that WPP will read in the Q2 variable, but the WPP output does 
> not contain the Q2 variable.  So, when I run MET, it can't find any 
> instances of Q2 in the WRF data to calculate statistics.
> Do you have any insight or recommendations on how to calculate WRF Q2 
> statistics using MET?
> Thanks in advance for any help you can provide.
> Ann
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