Re: Weird representation of Wind Barbs

From: Mary Haley <haley_at_nyahnyahspammersnyahnyah>
Date: Thu Mar 10 2011 - 10:06:52 MST

Hi Caroline,

Can you provide the wrfprs_d01.002.grb data file?

ftp ftp.cgd.ucar.edu
anonymous
Use your email address for the password
cd incoming
put wrfprs_d01.002.grb
quit

Thanks,

--Mary

On Mar 10, 2011, at 2:17 AM, Caroline Serraud wrote:

> Hi everyone,
>
> I am currently trying to plot WRF Wind outputs on a really small domain with a spatial resolution around 500 meters. I have noticed some weird behaviour of NCL while plotting wind barbs, and I wonder if I am wrong with my NCL wind parametrization.
>
> Here is my script, and two similar plots: one with NCL, one with GrADS.
> What makes me suspcicious is:
> - why this "blank" in the right bottom corner? I have already noticed this effect on other plots and the blank was even more larger
> - why wind barbs layout doesn't seem to respect the mesh? If you look at the right upper corner, two barbs are shifted upward...
> - why wind directions seems so variable? If you take a look at GrADS plot, directions are smoother while NCL wind barbs look all "unkempt"..
>
> I don't know if I am misusing NCL but the aim is to plot "small-scale" effects like coastal winds and with this representation we can't even see the differences between large and coastal wind distribution..
>
> Any help would be appreciated!!
> Thanks a lot,
>
> Kind regards,
> Caroline
> --
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Received on Thu Mar 10 10:06:59 2011

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