[Met_help] [rt.rap.ucar.edu #60489] History for input for the Point-Stat tool

Tue Mar 26 09:59:46 MDT 2013

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  Initial Request
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Good day,

I've just been going through some of the documentation for the Point-Stat tool of METv4.0 and it's my understanding that the gridded input file for the Point-Stat tool has to be in either the GRIB format or in a NetCDF format as generated by the Pcp-Combine tool. Can you please confirm that this is the case?

Also I understand that it is not possible to use a NetCDF file that is produced by the WRF model as an inputfile for the Point-Stat tool. Is this correct?

Thanks in advance,

Joost Hoekstra
Support Engineer
BMT ARGOSS

Tel:  +31-527-242299 (Switchboard)
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Subject: Re: [rt.rap.ucar.edu #60489] input for the Point-Stat tool
From: John Halley Gotway
Time: Tue Mar 05 09:51:20 2013

Joost,

Yes, that is largely correct.  The MET tools can read gridded data in
GRIB1, GRIB2, and a couple variants of NetCDF.  MET cannot read the
NetCDF output of WRF directly.  Instead, your WRF output must
be post-processed to accomplish two things:
(1) Interpolate the native levels to pressure levels.
(2) De-stagger the horizontal grid.

For this, you can use either the pinterp utility for WRF-ARW data or
the Unified-PostProcessor (UPP) for both WRF-ARW and WRF-NMM data.

The pinterp utility interpolates to pressure levels but does not
destagger the grid.  For this reason, MET only reads variables from
the pinterp output that are not staggered - meaning it cannot read
the wind data.

UPP interpolates to pressure levels, destaggers, and writes it output
in GRIB.  For these reasons, we strongly recommend using UPP for post-
processing.

Hope that helps.

Thanks,
John Halley Gotway
met_help at ucar.edu

On 03/04/2013 08:57 AM, Joost Hoekstra via RT wrote:
>
> Mon Mar 04 08:56:59 2013: Request 60489 was acted upon.
> Transaction: Ticket created by joost.hoekstra at bmtargoss.com
>         Queue: met_help
>       Subject: input for the Point-Stat tool
>         Owner: Nobody
>    Requestors: joost.hoekstra at bmtargoss.com
>        Status: new
>   Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=60489 >
>
>
> Good day,
>
> I've just been going through some of the documentation for the
Point-Stat tool of METv4.0 and it's my understanding that the gridded
input file for the Point-Stat tool has to be in either the GRIB format
or in a NetCDF format as generated by the Pcp-Combine tool. Can you
please confirm that this is the case?
>
> Also I understand that it is not possible to use a NetCDF file that
is produced by the WRF model as an inputfile for the Point-Stat tool.
Is this correct?
>
> Thanks in advance,
>
> Joost Hoekstra
> Support Engineer
> BMT ARGOSS
>
> Tel:  +31-527-242299 (Switchboard)
> Fax: +31-527-242016
> Skype: bmt_joost.hoekstra
> Website: www.bmtargoss.com<http://www.bmtargoss.com/>
>
> [https://secure.bmt.org/logos/companies2/BMT-ARGOSS.gif]
>
> LinkedIn<http://www.bmt.org/linkedin/> |
Twitter<http://www.twitter.com/bmtgroup> |
Facebook<http://www.facebook.com/BMTGroup> |
YouTube<http://www.youtube.com/bmtgroupltd>
>
> BMT ARGOSS, Voorsterweg 28, 8316 PT, Marknesse, The Netherlands
>
> Registered in the Netherlands, No 39060160, Registered office as
above.
>
> Unless otherwise agreed by BMT ARGOSS in writing, all work,
services, goods or products supplied by BMT ARGOSS shall be subject to
and governed by BMT ARGOSS's own terms and conditions which are
available for inspection from BMT ARGOSS on request.
>
> E-mail confidentiality notice and disclaimer:
> The contents of this e-mail and any attachments are intended for the
use of the mail addressee(s) shown. If you are not that person, you
are not allowed to read it, to take any action based upon it or to
copy it, forward, distribute or disclose the contents of it and you
should please delete it from your system. BMT ARGOSS does not accept
liability for any errors or omissions in the context of this e-mail or
its attachments which arise as a result of internet transmission, nor
accept liability for statements which are those of the author and
clearly not made on behalf of BMT ARGOSS.
>
> [https://secure.bmt.org/logos/tree.gif] Please consider the
environmental impacts of printing this email, and only do so if really
necessary
>
>
>
______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
service.
> For more information please visit http://www.symanteccloud.com
>
______________________________________________________________________
>

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