[Wrf-users] ARWpost for GrADS application

Young, Jeremy, K jeremy.young868 at topper.wku.edu
Sat Nov 12 05:31:47 MST 2011

Hi Jason,

What exactly is your problem?  Maybe the paths to your wrfout files are incorrect?  I've attached the namelist file.  The only things I had to change in the namelist when running ARWpost.exe were the start date, the end date and the name of my wrfout file.

I hope the namelist helps.  If you run into any additional problems I can try and help.

My ARWpost directory is stored at the same level as my WRFV3 folder.  That is, the path to my wrfout files in the namelist looks like "../WRFV3/run/wrfout....".

Jeremy Young

From: jasonpadovani at gmail.com [mailto:jasonpadovani at gmail.com] On Behalf Of Jason Padovani Ginies
Sent: Friday, November 11, 2011 8:22 PM
To: Young, Jeremy, K
Subject: Re: [Wrf-users] ARWpost for GrADS application

Dear Jeremy,

Thank you for your email. In fact the first modification seems like to have solved the problem already and I now have ARWpost.exe. I still cannot make it work however =( I cannot understand what I am doing wrong to get different error messages. Could I kindly ask you to explain the procedure if you have expertise in the matter? I've tried renaming/relocating and changing the input file and adjusting the namelist accordingly but still I can't seem to get it right.

Could you kindly send me a copy of your namelist.ARWpost and specify the following:

  *   location and name of input(WRF output) files relative to ARWpost.exe

Many thanks,

On Fri, Nov 11, 2011 at 12:42 AM, Young, Jeremy, K <jeremy.young868 at topper.wku.edu<mailto:jeremy.young868 at topper.wku.edu>> wrote:
Hi Jason,

I've seen a similar error message before when attempting to compile ARWpost.  I fixed this problem by adding the following to the configure.arwp file:

--LDFLAGS should now have -L/path/to/netcdf/lib   -lnetcdf -lnetcdff
--CPPFLAGS should now have -I/path/to/netcdf/include  and -R/path/to/netcdf/lib
--Change the "-O" flags to match that of netcdf during compile, probably "-O2".

Changing the optimization flags, LDFLAGS and CPPFLAGS will likely fix your problem.  The-R/path/to/netcdf/lib will eliminate another problem that I ran into when trying to run ARWpost.exe in which an error message saying that there was an "error opening shared libraries ...".  If you see this message, you can use a command like " ln -s /path/to/netcdf/lib/libnetcdf* ." issued from the ARWpost directory to link the necessary libraries and allow them to be referenced.

I hope this helps.

Jeremy Young
System Administrator
Climate Research Lab
Western Kentucky University

From: wrf-users-bounces at ucar.edu<mailto:wrf-users-bounces at ucar.edu> [mailto:wrf-users-bounces at ucar.edu<mailto:wrf-users-bounces at ucar.edu>] On Behalf Of Jason Padovani Ginies
Sent: Thursday, November 10, 2011 1:08 PM
To: wrf-users at ucar.edu<mailto:wrf-users at ucar.edu>
Subject: [Wrf-users] ARWpost for GrADS application

Dear wrf-users,

I am having trouble compiling ARWposts. When I try to compile I get lots of error messages looking like this:

input_module.f:(.text+0x40f): undefined reference to `ncvgt_'

and eventually are confronted with a final error message saying:

make: [ARWpost.exe] Error 1 (ignored)

Some research has led me to believe that the netCDF on the system might causing this problem and that I might have to re-compile that
Is there any way to go around this perhaps another method of converting wrf output in a format readable by GrADS?

Kind regards,

Jason Padovani Ginies
Final Year B.Sc. student
Department of Physics
University of Malta

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