Re: regridding of ECMWF to WRF grid

From: BasitAli Khan <BasitAli.Khan_at_nyahnyahspammersnyahnyah>
Date: Sun Jan 27 2013 - 04:23:25 MST

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 04:24:01 2013

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