[ncl-talk] Vertical Cross-section on a rectilinear grid with "degrees-north" units

[Barry Lynn]

I ask because I can send Lara my program that plots vertical cross sections
using WRF.  It was modified to allow a person to choose the coordinate
center, and the extent of the cross-section.

On Mon, Nov 13, 2017 at 5:50 PM, Dennis Shea <shea at ucar.edu> wrote:

> Also, you can not do a *vertical *cross-section with a vertical
> coordinate (p, z, ...)
>
> On Mon, Nov 13, 2017 at 8:30 AM, Barry Lynn <barry.h.lynn at gmail.com>
> wrote:
>
>> Hi:
>>
>> Is there any reason you aren't plotting the vertical cross sections using
>> WRF output directly?
>>
>> Barry
>>
>> On Mon, Nov 13, 2017 at 2:17 PM, Lara Quitián Hernández <
>> laraquitianhernandez at gmail.com> wrote:
>>
>>> Good afternoon,
>>>
>>> I'm trying to plot a vertical cross-section of a cyclone in order to
>>> analyze its wind shear and, therefore, cyclone tilt.
>>> [image: Imágenes integradas 1]
>>> I've made a re-grid on a rectilinear mesh (e.g., ECMWF grid) of several
>>> WRF simulations. Therefore, one of my outputs is defined as follows:
>>>
>>>        File "SPD_regrid_d02_D19_416.nc"
>>>
>>> File type: NetCDF-3/CDM
>>> ------------------------------
>>>
>>> netcdf file:/Volumes/MyPassport/SPD_regrid_416.nc {
>>>   dimensions:
>>>     times = UNLIMITED;   // (0 currently)
>>>     time = 7; (7 time-steps)
>>>     lat = 141;
>>>     lon = 201;
>>>     ncl4 = 7;
>>>     latitude = 141;
>>>     ncl6 = 201;
>>>   variables:
>>>     float spd(time=7, lat=141, lon=201);
>>>       :_FillValue = 9.96921E36f; // float
>>>
>>>     int time(time=7);
>>>
>>>     float lat(lat=141);
>>>       :units = "degrees_north";
>>>       :long_name = "latitude";
>>>       :_FillValue = -9999.0f; // float
>>>
>>>     float lon(lon=201);
>>>
>>>     float latitude(latitude=141);
>>>       :units = "degrees_north";
>>>       :long_name = "latitude";
>>>       :_FillValue = 9.96921E36f; // float
>>>
>>>   // global attributes:
>>>   :creation_date = "martes, 30 de mayo de 2017, 10:49:07 CEST";
>>>   :Conventions = "None";
>>>   :source_file = "original-file.nc";
>>>   :title = "NCL Simple Approach to netCDF Creation";
>>> }
>>>
>>>
>>> --
>>>
>>> I would like to know, which variable is the best for this purpose
>>> (omega, u-wind, v-wind, equivalent potential temperature (eth), etc.) and
>>> which function should I use in order to represent the vertical
>>> cross-section, taking into account that I do not have pressure levels in
>>> hPa or Pa units, but "degrees-north".
>>>
>>> Thank you very much.
>>>
>>> Sincerely,
>>> Lara
>>>
>>>
>>>
>>> *Lara Quitián Hernández, PhD Student*
>>> Departamento de Física de la Tierra, Astronomía y Astrofísica II
>>> Facultad de Ciencias Físicas
>>> Ciudad Universitaria, Plaza Ciencias, 1
>>> <https://maps.google.com/?q=Ciudad+Universitaria,+Plaza+Ciencias,+128040+Madrid.+Spain&entry=gmail&source=g>
>>> 28040 Madrid. Spain
>>> <https://maps.google.com/?q=Ciudad+Universitaria,+Plaza+Ciencias,+128040+Madrid.+Spain&entry=gmail&source=g>
>>> Email: lquitian at ucm.es <mlunar at aemet.es>
>>>
>>>
>>> _______________________________________________
>>> ncl-talk mailing list
>>> ncl-talk at ucar.edu
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>
>>>
>>
>>
>> --
>> Barry H. Lynn, Ph.D
>> Senior Lecturer,
>> The Institute of the Earth Science,
>> The Hebrew University of Jerusalem,
>> Givat Ram, Jerusalem 91904, Israel
>> Tel: 972 547 231 170
>> Fax: (972)-25662581
>>
>> C.E.O, Weather It Is, LTD
>> Weather and Climate Focus
>> http://weather-it-is.com
>> Jerusalem, Israel
>> Local: 02 930 9525
>> Cell: 054 7 231 170
>> Int-IS: x972 2 930 9525
>> US 914 432 3108 <(914)%20432-3108>
>>
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk at ucar.edu
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>


-- 
Barry H. Lynn, Ph.D
Senior Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

C.E.O, Weather It Is, LTD
Weather and Climate Focus
http://weather-it-is.com
Jerusalem, Israel
Local: 02 930 9525
Cell: 054 7 231 170
Int-IS: x972 2 930 9525
US 914 432 3108
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171113/d8acad8d/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.png
Type: image/png
Size: 52203 bytes
Desc: not available
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171113/d8acad8d/attachment.png>