[Met_help] Re: Fwd: MET compilation and NETCDF library on NCAR
machine
John Halley Gotway
johnhg at rap.ucar.edu
Thu Aug 21 13:38:52 MDT 2008
Segayle,
Glad I could help. Let us know if any other issues arise.
Thanks,
John
walford02 at hotmail.com wrote:
> John,
>
> I am running the ARW model and this make complete sense now. I will give
> it a try.
>
> Thank you so much! you have been so helpful!
> Segayle
>
> --------------------------------------------------
> From: "John Halley Gotway" <johnhg at rap.ucar.edu>
> Sent: Thursday, August 21, 2008 3:30 PM
> To: <walford02 at hotmail.com>
> Cc: "met_help" <met_help at ucar.edu>
> Subject: Re: Fwd: MET compilation and NETCDF library on NCAR machine
>
>> Segayle,
>>
>> The forecast data in /ptmp/swalford/METv1.1/data/fcst contains files
>> named WRFPRS_d01.NN where NN is the lead time. I couldn't find the
>> "wgrib" utility on lightning, but I copied a couple files over
>> to my machine and ran wgrib on them there. I found that the
>> accumulated precipitation field actually contains precip accumulated
>> from the beginning of the run out to the lead time. For example, the
>> file WRFPRS_d01.13 contains precip accumulated from hour 0 to hour 13,
>> and WRFPRS_d01.14 contains precip from hour 0 to hour 14.
>>
>> You can run the pcp_combine tool on these files, however you'll want
>> to run it in "subtract" mode.
>>
>> For example, to get the 18 files there into 3 6-hourly chunks (i.e. 0
>> to 6, 6 to 12, and 12 to 18), I'd do the following:
>>
>> (1) The file WRFPRS_d01.06 already contains precip accumulated from 0
>> to 6 hours.
>>
>> (2) Get the 6 to 12 hour accumulation by subtracting the 6 hour
>> accumulation from the 12 hour accumulation as follows:
>> ../bin/pcp_combine -subtract
>> /ptmp/swalford/METv1.1/data/fcst/WRFPRS_d01.12 12
>> /ptmp/swalford/METv1.1/data/fcst/WRFPRS_d01.06 6 ~/6_to_12.nc
>>
>> (3) Get the 12 to 18 hour accumulation by subtracting the 12 hour
>> accumulation from the 18 hour accumulation as follows:
>> ../bin/pcp_combine -subtract
>> /ptmp/swalford/METv1.1/data/fcst/WRFPRS_d01.18 18
>> /ptmp/swalford/METv1.1/data/fcst/WRFPRS_d01.12 12 ~/12_to_18.nc
>>
>> To break it up into 3-hourly or 1-hourly chunks, you'd do something
>> similar, just change the arguments as necessary.
>>
>> Since the precip is stored in this way, I assume you're running the
>> ARW model. The NMM model on the other hand typically dumps out
>> "buckets" of accumulated precip every 3 hours (or whatever interval
>> you set). The pcp_combine tool may be run on the output of both. You
>> just need to use different command line arguments to tell it what
>> you'd like it to do.
>>
>> Does that make sense?
>>
>> John
>>
>> walford02 at hotmail.com wrote:
>>> ok. I am running a script.
>>> /ptmp/swalford/METv1.1/scripts/pcp.sh
>>> with the data
>>> /ptmp/swalford/METv1.1/data/fcst
>>> I have used gribscan -gv -I WRFPRS_d01* but I am not too familiar with
>>> grib data
>>>
>>> Segayle
>>>
>>> --------------------------------------------------
>>> From: "John Halley Gotway" <johnhg at rap.ucar.edu>
>>> Sent: Thursday, August 21, 2008 2:17 PM
>>> To: <walford02 at hotmail.com>
>>> Subject: Re: Fwd: MET compilation and NETCDF library on NCAR machine
>>>
>>>> Segayle,
>>>>
>>>> I'd be happy to help.
>>>>
>>>> Please send me the exact command you're passing the pcp_combine tool.
>>>> Also, if your data is on "lightning", just send me the path to it, and
>>>> I'll take a look. I have access to lightning.
>>>>
>>>> You're probably already familiar with this, but you can use the
>>>> "wgrib" command to dump out information about the records in your
>>>> WRFPRS GRIB files. Perhaps you don't have 1 hourly accumulations in
>>>> your WRFPRS files, for example? You can refer to the usage statement
>>>> for the pcp_combine tool or the METv1.1 User's Guide for an
>>>> explanation of its command line arguments.
>>>>
>>>> Thanks,
>>>> John
>>>>
>>>> walford02 at hotmail.com wrote:
>>>>> The main problem that I was encountering was that I was trying to set
>>>>> the
>>>>> g2c directly. I left it open (like in your Makefile) and it compiled
>>>>> properly.
>>>>>
>>>>> However, when I try to run the pcp_combine script I get an error
>>>>> that says:
>>>>> ERROR: sum_grib_files() -> Cannot find a file with a valid time of
>>>>> 20060728_060000 and accumulation time of 1 hours in ../data/fcst
>>>>> matching the regular expression ".*"
>>>>>
>>>>> I am using forecast files (WRFPRS_d01*) produced by WPPv3 .
>>>>> Any clue as to what the problem is with this? My run starts at
>>>>> 20060727_120000 and finishes at 20060728_060000.
>>>>>
>>>>> I am not sure it the problem is with the model run, the post
>>>>> processing
>>>>> (WPP) or the verification (MET).
>>>>> I can send a few of the grib (WPP output ) files if that will help.
>>>>>
>>>>>
>>>>>
>>>>> --------------------------------------------------
>>>>> From: "John Halley Gotway" <johnhg at rap.ucar.edu>
>>>>> Sent: Wednesday, August 20, 2008 11:56 AM
>>>>> To: "Segayle Thompson" <walford02 at hotmail.com>
>>>>> Cc: "Jamie Wolff" <jwolff at ucar.edu>; "met_help" <met_help at ucar.edu>
>>>>> Subject: Re: Fwd: MET compilation and NETCDF library on NCAR machine
>>>>>
>>>>>> Segayle,
>>>>>>
>>>>>> Your MET help question was forwarded to me from the WRF-Help folks.
>>>>>> For
>>>>>> future reference, please direct all MET related questions to the
>>>>>> MET-Help
>>>>>> email address: met_help at ucar.edu.
>>>>>>
>>>>>> Regarding your question about building MET on lightning...
>>>>>>
>>>>>> I believe the errors you're seeing come from using inconsistent
>>>>>> sets of
>>>>>> compilers. The NetCDF library to which you're linking
>>>>>> (/usr/local/apps/netcdf-3.6.2) was built using PGI compilers.
>>>>>> However,
>>>>>> you're trying to build MET using the GNU g++/g77 compilers.
>>>>>> Instead, I'd
>>>>>> suggest using the PGI compilers on ligthning. I've build METv1.1 on
>>>>>> lightning in /gpfs/lightning/johnhg/MET_releases/METv1.1.
>>>>>>
>>>>>> Take a look at the Makefile I used in
>>>>>> /gpfs/lightning/johnhg/MET_releases/METv1.1/Makefile. You'll need to
>>>>>> rebuild BUFRLIB using the PGI compilers before rebuilding MET. Or I
>>>>>> suppose you could just
>>>>>> link to my PGI version of BUFRLIB in
>>>>>> /gpfs/lightning/johnhg/MET_releases/external_libs/bufrlib.
>>>>>>
>>>>>> Hope this helps.
>>>>>>
>>>>>> Thanks,
>>>>>> John Halley-Gotway
>>>>>> johnhg at ucar.edu
>>>>>>
>>>>>> WRF Help wrote:
>>>>>>> Hi John,
>>>>>>>
>>>>>>> This was in the NMM wrfhelp inbox. Maybe you can respond as
>>>>>>> methelp and
>>>>>>> let them know to send questions there.
>>>>>>>
>>>>>>> Jamie
>>>>>>>
>>>>>>>
>>>>>>> --- the forwarded message follows ---
>>>>>>>
>>>>>>> ------------------------------------------------------------------------
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Subject:
>>>>>>> MET compilation and NETCDF library on NCAR machine
>>>>>>> From:
>>>>>>> <walford02 at hotmail.com>
>>>>>>> Date:
>>>>>>> Tue, 19 Aug 2008 18:17:33 -0400
>>>>>>> To:
>>>>>>> "WRF Help" <wrfhelp at ucar.edu>
>>>>>>>
>>>>>>> To:
>>>>>>> "WRF Help" <wrfhelp at ucar.edu>
>>>>>>>
>>>>>>>
>>>>>>> hello,
>>>>>>>
>>>>>>> I am trying to compile METv1.1 on the lightning machine at NCAR
>>>>>>> however
>>>>>>> and I am getting some problems with netcdf_c++ libraries. When I
>>>>>>> compile
>>>>>>> I get this error in my met.log file:
>>>>>>>
>>>>>>> /usr/bin/g++ -o pcp_combine pcp_combine.cc \
>>>>>>> -Wall -Wshadow -static -DMET_BASE=\"/ptmp/swalford/METv1.1\" \
>>>>>>> -I../../lib -I/usr/local/apps/netcdf-3.6.2/include
>>>>>>> -I/home/lightning/swalford/gsl-1.11/include
>>>>>>> \
>>>>>>> -L../../lib -L/usr/local/apps/netcdf-3.6.2/lib
>>>>>>> -L/home/lightning/swalford/gsl-1.11/lib
>>>>>>> \
>>>>>>> -lvx_met_util -lvx_analysis_util -lvx_wrfdata -lvx_met_util \
>>>>>>> -lvx_contable -lvx_grib_classes \
>>>>>>> -lvx_econfig -lvx_gsl_prob -lgsl \
>>>>>>> -lvx_plot_util -lvx_render -lvx_pxm -lvx_color -lvx_ps -lvx_afm \
>>>>>>> -lvx_data_grids -lvx_gnomon -lvx_nav -lvx_cal -lvx_util -lvx_math
>>>>>>> -lm \
>>>>>>> -lnetcdf_c++ -lnetcdf \
>>>>>>>
>>>>>>>
>>>>>>> [1] Exit 2 make >& met.log
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x23ac): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::NcFile[in-charge](char const*,
>>>>>>> NcFile::FileMode, unsigned long*, unsigned long,
>>>>>>> NcFile::FileFormat)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2416): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::is_valid() const'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x246d): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::close()'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x257c): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x26c3): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x26e1): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2746): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x279a): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x27de): more undefined
>>>>>>> references to
>>>>>>> `NcFile::add_att(char const*, char const*)' follow
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2f38): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2f4e): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2f67): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, float)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2f7d): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2f93): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2fac): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, float)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2fc3): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, int)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x2ff2): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x3021): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x3062): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x307b): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, float)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x3115): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x312a): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, long)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x31b5): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x31ca): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, long)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x321a): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::add_att(char const*, char const*)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x33a2): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::put(float const*, long, long, long,
>>>>>>> long, long)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x33eb): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::put(float const*, long, long, long,
>>>>>>> long, long)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x3433): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcVar::put(float const*, long, long, long,
>>>>>>> long, long)'
>>>>>>> /ptmp/swalford/cc6cdgZB.o(.text+0x34b3): In function
>>>>>>> `write_netcdf(long
>>>>>>> long, long long, int, GribRecord&)':
>>>>>>> : undefined reference to `NcFile::close()'
>>>>>>> collect2: ld returned 1 exit status
>>>>>>> make[3]: *** [pcp_combine] Error 1
>>>>>>> make[2]: *** [all] Error 2
>>>>>>> make[1]: *** [targets] Error 2
>>>>>>> make: *** [all] Error 2
>>>>>>>
>>>>>>> I am using the netcdf located at /usr/local/apps/netcdf-3.6.2
>>>>>>>
>>>>>>> Should I try to reinstall netcdf in my directory for this?
>>>>>>>
>>>>>>> Segayle
>>>>>>>
>>>>>>
>>>>
>>
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