Re: [idvusers] making WRF output CF compliant

  • To: John Caron <caron@xxxxxxxx>
  • Subject: Re: [idvusers] making WRF output CF compliant
  • From: Mike Baldwin <baldwin@xxxxxxxxxx>
  • Date: Fri, 6 Mar 2015 11:38:39 -0500
IDV can read WRF output just fine, the problem is trying to plot something
useful that's not a direct model variable, as Brian said: basic weather
variables (temperature), skew-Ts

On Fri, Mar 6, 2015 at 11:12 AM, John Caron <caron@xxxxxxxx> wrote:

> Hi Brian:
>
> IDV should be able to read WRF output without conversion to CF. If not,
> send me the problem file and ill see why.
>
> John
>
> On Thu, Mar 5, 2015 at 6:21 PM, David Brown <dbrown@xxxxxxxx> wrote:
>
> > The NCL error messages all stem from the fact that NCL cannot find the
> > internal data files it needs to run. What you need to do depends on
> > where these auxiliary files were installed. Normally the are installed
> > in a subdirectory of the 'lib' directory.
> > Based on the path to your NCL executable, /usr/local/bin/NCL/bin/ncl,
> > look in  /usr/local/bin/NCL/.
> > If you find a 'lib' directory there, it should have a subdirectory
> > called 'ncarg'. Set the environment variable NCARG_ROOT to
> > /usr/local/bin/NCL/
> > and you should be good to go.
> >
> > If instead you find the 'ncarg' directory somewhere else, say
> > /usr/local/lib/ncarg or /usr/local/lib/NCL/ncarg, try setting
> > NCARG_NCARG
> > to that path. If that doesn't work, let us know, and we can definitely
> > help you figure it out.
> >  -Dave Brown
> >  NCL Development team
> >
> >
> > On Thu, Mar 5, 2015 at 4:33 PM, Tyle, Kevin R <ktyle@xxxxxxxxxx> wrote:
> > > Hi Brian,
> > >
> > > Have you tried using GEMPAK as an interim format?
> > >
> > > I've had good results using the venerable wrf2gem postprocessor that
> > Steve Decker developed several years ago.  The netcdf-java library
> handles
> > the GEMPAK to NetCDF conversion fine and I have a couple bundles that
> > display fields from our regional runs.
> > >
> > > I believe that if you build NCEP's WRF post processor and choose GEMPAK
> > output, that will work too.
> > >
> > > --Kevin
> > >
> > > _____________________________________________
> > > Kevin Tyle, Systems Administrator
> > > Dept. of Atmospheric & Environmental Sciences
> > > University at Albany
> > > Earth Science 235, 1400 Washington Avenue
> > > Albany, NY 12222
> > > Email: ktyle@xxxxxxxxxx
> > > Phone: 518-442-4578
> > > _____________________________________________
> > >
> > > ________________________________________
> > > From: idvusers-bounces@xxxxxxxxxxxxxxxx <
> > idvusers-bounces@xxxxxxxxxxxxxxxx> on behalf of Brian Mapes <
> > bmapes@xxxxxxxxxxxxxxx>
> > > Sent: Thursday, March 5, 2015 6:04 PM
> > > To: idvusers
> > > Subject: [idvusers] making WRF output CF compliant
> > >
> > > Does anyone have some one-line templates for converting wrf output to
> > IDV-friendly netCDF files?
> > > Preferably with a set of basic weather variables but not a zillion
> > internal model fields.
> > >
> > > Such an old question, so much on the Web, yet every solution seems to
> > require a bunch of time and effort.
> > >
> > > This looked promising
> > > http://foehn.colorado.edu/wrfout_to_cf
> > > But for me it creates the inscrutable errors below and no results.
> > > No idea what to do next, no hours and hours available to study it.
> > >
> > > Anyone have a workable solution?
> > > Thanks for any tips!
> > >
> > > Brian Mapes
> > >
> > >
> > >
> > > $ sudo /usr/local/bin/NCL/bin/ncl
> > 'file_in="1hr_Out/wrfout_d02_2009-08-08_08"' 'file_out="wrfpost.nc"'
> > wrfout_to_cf.ncl
> > >  Copyright (C) 1995-2013 - All Rights Reserved
> > >  University Corporation for Atmospheric Research
> > >  NCAR Command Language Version 6.1.2
> > >  The use of this software is governed by a License Agreement.
> > >  See http://www.ncl.ucar.edu/ for more details.
> > > warning:Unable to Get System Resource File Name?
> > > warning:Unable to load System Resource File (null)
> > > fatal:GetSysAppDir:Unable to get a default value for the system App
> > Resource directory
> > > warning:["Resources.c":734]:Unable to set appSysDir to default value -
> > Using NULL
> > > fatal:GetSysAppDir:Unable to get a default value for the system App
> > Resource directory
> > > warning:["Resources.c":734]:Unable to set appSysDir to default value -
> > Using NULL
> > > warning:Unable to Get System Resource File Name?
> > > warning:WorkstationClassInitialize:Unable to access rgb color database
> -
> > named colors unsupported:[errno=2]
> > > NDV_COLORMAP_PATH environment variable not set:
> > >         defaulting to .:$NCARG_ROOT/lib/ncarg/colormaps
> > > warning:["Palette.c":1844]:NhlLoadColormapFiles: Invalid directory
> > encountered in colormap path specification
> > >
> > >
> > > _______________________________________________
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> > > idvusers@xxxxxxxxxxxxxxxx
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> > >
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