[gradsusr] Difference between sflux var's and pgrb var's

[Jeff Duda]

The Grads user guide is your friend. Search, in particular, in the VARS
section of the "Elements of a data descriptor file" page (
http://iges.org/grads/gadoc/descriptorfile.html#VARS). Look under levs and
units descriptions for grib2 data.

Jeff Duda

On Thu, Oct 15, 2015 at 11:27 PM, Christopher Gilroy <chris.gilroy at gmail.com
> wrote:

> Hey guys, learning grads (let alone model data) and I'm trying to figure
> out the difference between:
>
> sflux:
> tmp0_10cm  0,106,0,0.1   0,0,0 ** 0-0.1 m below ground Temperature [K]
> tmp10_40cm  0,106,0.1,0.4   0,0,0 ** 0.1-0.4 m below ground Temperature [K]
> tmp40_100cm  0,106,0.4,1   0,0,0 ** 0.4-1 m below ground Temperature [K]
> tmp100_200cm  0,106,1,2   0,0,0 ** 1-2 m below ground Temperature [K]
>
> pgrb2:
> tsoil0_10cm  0,106,0,0.1   2,0,2 ** 0-0.1 m below ground Soil Temperature
> [K]
> tsoil10_40cm  0,106,0.1,0.4   2,0,2 ** 0.1-0.4 m below ground Soil
> Temperature [K]
> tsoil40_100cm  0,106,0.4,1   2,0,2 ** 0.4-1 m below ground Soil
> Temperature [K]
> tsoil100_200cm  0,106,1,2   2,0,2 ** 1-2 m below ground Soil Temperature
> [K]
>
> They somewhat look the same, but the third set of number 0,0,0 and 2,0,2
> are different obviously, so outside of what "differences" there are between
> the 2, can anyone explain what the 0,0,0 and 2,0,2 actually means?
>
> Secondly, what exactly (maybe why they have so many different types is
> better) is the difference between the gfs sflux files and the gfs pgrb2
> files? I know the sflux files don't have all the var's that the pgrb2 files
> have but the sflux is the highest resolution data available, for the GFS,
> correct?
>
> I appreciate any help.
>
> Thanks!
>
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>


-- 
Jeff Duda
Graduate research assistant
University of Oklahoma School of Meteorology
Center for Analysis and Prediction of Storms
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