Hi Ryan!!
Thank you very much! Yes, it does help me a lot..
Best regards
Gustav
On 2021-06-16 14:25, Ryan May wrote:
Greetings!
To accomplish something similar to GEMPAK's sfmap, what you're looking
is probably MetPy's simplified/declarative plotting interface. This
example creates a station model plot using it:
https://unidata.github.io/MetPy/latest/examples/plots/surface_declarative.html
As far as what data you can use with MetPy, any format that you can
read into numpy/pandas/xarray can be used with MetPy. We have been
working on solutions to use many of the formats traditionally used for
meteorological applications. For instance, the example above uses
Pandas to read a CSV file of observations. MetPy also has a METAR
parser that can generate a Pandas DataFrame, which could instead be
used with that code:
https://unidata.github.io/MetPy/latest/tutorials/declarative_tutorial.html#plot-surface-obs
This METAR parser should work fine with data downloaded from
https://thredds-test.unidata.ucar.edu/thredds/catalog/noaaport/text/metar/catalog.html
(considering that it was tested extensively using it).
Hope this helps!
Ryan
On Tue, Jun 8, 2021 at 8:43 AM banco <banco@xxxxxxxxxxxxxx> wrote:
Good morning!!
I am a Gempak user. And I would like to use Python MetPy
environment too. At the beginning, if possible, the aim
is to have both softwares working.
I would appreciate if someone knows how, in Python environment,:
1) if a file is read (Synop data for instance) in Gempak's
scripts, using sfmap, in this way:
sfmap << EOF
SFPARM = skyc:.4;tmpc;wsym:.7;ALTM;;dwpc;brbk:.8::212
SFFILE = /data/ldm/gempak/surface/20210607_sao.gem
.....
How would the equivalent in a Python MetPy environment be?
At this url, GEMPAK Comparison Guide,
https://unidata.github.io/MetPy/latest/userguide/gempak.html
this sfmap's GEMPAK Function (Python/MetPy Equilvalent) has its
row empty.
2) On the other hand, in a context of acquiring files data from LDM,
what kind of
which file format should be used to read them in a Pyhon Metpy
environment?
** The name and extension of the file is different? Does this mean
one has to change LDM configuration?
** Is this different than reading from THREDDS Data Server? Isn't
it?
https://thredds-test.unidata.ucar.edu/thredds/catalog/noaaport/text/metar/catalog.html
I have been looking for files or videos on YouTube on the
subject but by the time being I cannot find these subjects.
Is it somewhere on this website(about userguide)?
https://unidata.github.io/MetPy/latest/userguide/index.html
Any help is welcome: any link, website's page, Unidata's video, etc.
Thank you very much in advance.
Best regards
Gustav Pittaluga
Department of Atmospheric Sciences
Buenos Aires University
Argentina
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