Re: regridding of ECMWF to WRF grid

rectilinear [ECMWF] to curvilinear [WRF]: You could use ESMF regrid
example 9 and (say) example 20 as a start. Generating the weight file may
take some time but, once the weight file is generated, the actual
regridding is quite fast.

> Hi,
> That's right, its generally an easy fix, however, unfortunately WPS does
> not interpolate all the Era-Interim variables to WRF grid e.g T2, U10 and
> V10. To output these vars i probably would need to make changes in V-table
> and/or at some other places and may also need to recompile WPS. I am not
> sure if i can take values of the first level of TT, UU and VV from
> met_em_d0* with any degree of confidence but i would appreciate if you
> could share your experience on this.
>
> Cheers,
> ----
> Basit A. Khan, Ph.D.
> Postdoctoral Research Fellow
> Division of Physical Sciences & Engineering
> Office# 3204, Level 3, Building 1,
> King Abdullah University of Science & Technology
> 4700 King Abdullah Blvd, Box 2753, Thuwal 23955 –6900,
> Kingdom of Saudi Arabia.
>
> Office: +966(0)2 808 0276, Mobile: +966(0)5 0860 3617
> E-mail: basitali.khan@kaust.edu.sa<mailto:basitali.khan@kaust.edu.sa>
> Skype name: basit.a.khan
>
> From: "bjfisel@gmail.com<mailto:bjfisel@gmail.com>"
> <bjfisel@gmail.com<mailto:bjfisel@gmail.com>>
> Date: Sun, 27 Jan 2013 05:09:10 -0600
> To: KAUST <basitali.khan@kaust.edu.sa<mailto:basitali.khan@kaust.edu.sa>>
> Subject: Re: regridding of ECMWF to WRF grid
>
> Hi,
>
> You should ingest the ECMWF data into the WRF Preprocessing System (WPS),
> which will put the data on the WRF 3-km grid. There is no need to regrid.
>
>
> On Jan 27, 2013, at 3:25, BasitAli Khan
> <BasitAli.Khan@kaust.edu.sa<mailto:BasitAli.Khan@kaust.edu.sa>> wrote:
>
> Hello,
>
> I want to regrid Era Interim Reanalysis data (0.75 x 0.75 deg) to my
> high resolution WRF gird (3 km). Just wondering which
> regridding/interpolation function is best to use for this purpose. I know
> there are heaps of functions and regridding scripts available but could
> not find anything that suits my requirement. WRF has a curvilinear grid
> while Era-Interim Re-analysis (if i am not wrong) uses Gaussian grid. I
> would greatly appreciate if anyone have the script and would like to share
> it.
>
> Thanks in advance
> Best regards,
> basit
>
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Received on Sun Jan 27 08:28:13 2013