[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #TTW-407940]: Profile from WRF Output



Stephanie,

Thanks for the good news. Sorry we were not more prompt. We have been bogged
down by proposals and now conferences this week.

Best,

Unidata IDV Support

> Hello,
> 
> If you have not addressed my question yet please don't spend time on it.  I
> have figured out a way to use the ncks command in NCO to subset the data
> that I would like to work with.
> 
> Thanks!
> Stephanie
> 
> 
> On Wed, Jul 2, 2014 at 3:45 PM, Stephanie Phelps <address@hidden>
> wrote:
> 
> > Hello,
> >
> > Thank you for the help and no worries at all about the delay!  I am
> > looking into the UPP tool now for the post processing.
> >
> > After doing some research I have realized that my previous question is not
> > as straight forward as I thought.
> >
> > I'm very new to using NetCDF files and would appreciate some advice.  What
> > I need to do is extract a vertical profile of certain variables (i.e. winds
> > or temp.) from a given lat/lon  in my WRF NetCDF output file.  I want to
> > compare the extracted profile to actual profiles I have made in the field
> > to verify the model run.
> >
> > What is a normal way of doing this?  I generally code in IDL.  Is it
> > typical for researchers to generate their own code in their programming
> > language of choice to read in a NetCDF file and then visualize what they
> > want?  I am hopeful to find a different way than writing my own code.
> >
> > I have looked around online some and found different potential tools for
> > what I am looking to do.
> >
> > 1) NCO- NCKS: http://marine.rutgers.edu/~jevans/using_dods/nco/ncks.html
> >   2)
> > http://www.unidata.ucar.edu/software/thredds/current/tds/reference/NetcdfSubsetServiceReference.html
> >
> > The second link looks especially promising to me, although it looks like
> > it is just a proto-type and my not be usable.
> >
> > Thank you for the help!
> >
> > Stephanie
> >
> >
> > address@hidden> wrote:
> >
> >> Stephanie,
> >>
> >> First off sorry for the delayed response. We have been busy here with
> >> grant
> >> proposals etc.
> >>
> >> Before working with WRF data in the IDV please post-process the data
> >> through the
> >> UPP. http://www.dtcenter.org/wrf-nmm/users/overview/upp_overview.php
> >> This will
> >> ensure that you have a better experience working with WRF data from the
> >> IDV.
> >>
> >> To your question...
> >>
> >> Yes, it is possible to create vertical profiles at a single lat/lon.
> >>
> >> In the IDV, please go to the Dashboard, Data Choosers Tab.
> >>
> >> Go to the Files node under General (look to the left side of the
> >> dashboard).
> >>
> >> Select your (possibly multiple) WRF output files.
> >>
> >> Please select a Data Source Type of "Aggregate WRF netCDF grids by Time".
> >>
> >> Click Add Source
> >>
> >> Now you should be the Field Selector of the Dashboard.
> >>
> >> Go to 3D grid, Derived, and select the field of interest (e.g., Flow
> >> Vectors).
> >>
> >> In the Displays Panel, Select Probes, Vertical Profile.
> >>
> >> Click Create Display.
> >>
> >> As far as saving the probe data to CSV, unfortunately we do not have that
> >> capability at present.
> >>
> >> Please keep us up-to-date on your progress.
> >>
> >> Best,
> >>
> >> Unidata IDV Support
> >>
> >> > Full Name: Stephanie Phelps
> >> > Email Address: address@hidden
> >> > Organization: University of Virginia
> >> > Package Version:
> >> > Operating System:
> >> > Hardware:
> >> > Description of problem: Hello,
> >> >
> >> > I am trying to create wind vector (and potential temperature) profiles
> >> over a particular point (lat/lon) in my netcdf file which contains WRF
> >> output.  Ideally I woudl make one profile per 2 hour timestep over 12
> >> hours.  My goal is to use these profiles in comparisons with meteorological
> >> tower data to verify my model simulations.  I have figured out how to
> >> create time series plots at a single height of different variables from my
> >> netcdf file at a specified lat/lon and was able to export the data as a CSV
> >> file.  This is hugely helpful so that I now have the exact data that will
> >> correspond to my tower data at a single height.  Now my quetsion is how to
> >> create vertical profiles at a single lat/lon in my netCDF file for each
> >> time step.  I would like to compare these plots to vertical profiles from
> >> tether balloons for verification.  I was attempting to create these
> >> profiles using the instructions at this website:
> >> https://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplay
> >>  s/profiler/TimeHeightDisplay.html.  I finally figured out that this
> >> example applies to 'wind profiler' data and not netcdf WRF output.
> >>  Ideally, I would also export the data in a CSV file, just like I did for
> >> the time series plots.
> >> >
> >> > Finally, my question is: Is there a way to create vertical profiles of
> >> my wind/temp. data over all the levels in my model out put at a specified
> >> lat/lon for a specified timestamp?
> >> >
> >> > Thanks for your help!
> >> >
> >> >
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: TTW-407940
> >> Department: Support IDV
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> 
> 
> Hello,
> 
> If you have not addressed my question yet please don't spend time on it.  I
> have figured out a way to use the ncks command in NCO to subset the data
> that I would like to work with.
> 
> Thanks!
> Stephanie
> 
> 
> On Wed, Jul 2, 2014 at 3:45 PM, Stephanie Phelps <address@hidden>
> wrote:
> 
> > Hello,
> >
> > Thank you for the help and no worries at all about the delay!  I am
> > looking into the UPP tool now for the post processing.
> >
> > After doing some research I have realized that my previous question is not
> > as straight forward as I thought.
> >
> > I'm very new to using NetCDF files and would appreciate some advice.  What
> > I need to do is extract a vertical profile of certain variables (i.e. winds
> > or temp.) from a given lat/lon  in my WRF NetCDF output file.  I want to
> > compare the extracted profile to actual profiles I have made in the field
> > to verify the model run.
> >
> > What is a normal way of doing this?  I generally code in IDL.  Is it
> > typical for researchers to generate their own code in their programming
> > language of choice to read in a NetCDF file and then visualize what they
> > want?  I am hopeful to find a different way than writing my own code.
> >
> > I have looked around online some and found different potential tools for
> > what I am looking to do.
> >
> > 1) NCO- NCKS: http://marine.rutgers.edu/~jevans/using_dods/nco/ncks.html
> >   2)
> > http://www.unidata.ucar.edu/software/thredds/current/tds/reference/NetcdfSubsetServiceReference.html
> >
> > The second link looks especially promising to me, although it looks like
> > it is just a proto-type and my not be usable.
> >
> > Thank you for the help!
> >
> > Stephanie
> >
> >
> > address@hidden> wrote:
> >
> >> Stephanie,
> >>
> >> First off sorry for the delayed response. We have been busy here with
> >> grant
> >> proposals etc.
> >>
> >> Before working with WRF data in the IDV please post-process the data
> >> through the
> >> UPP. http://www.dtcenter.org/wrf-nmm/users/overview/upp_overview.php
> >> This will
> >> ensure that you have a better experience working with WRF data from the
> >> IDV.
> >>
> >> To your question...
> >>
> >> Yes, it is possible to create vertical profiles at a single lat/lon.
> >>
> >> In the IDV, please go to the Dashboard, Data Choosers Tab.
> >>
> >> Go to the Files node under General (look to the left side of the
> >> dashboard).
> >>
> >> Select your (possibly multiple) WRF output files.
> >>
> >> Please select a Data Source Type of "Aggregate WRF netCDF grids by Time".
> >>
> >> Click Add Source
> >>
> >> Now you should be the Field Selector of the Dashboard.
> >>
> >> Go to 3D grid, Derived, and select the field of interest (e.g., Flow
> >> Vectors).
> >>
> >> In the Displays Panel, Select Probes, Vertical Profile.
> >>
> >> Click Create Display.
> >>
> >> As far as saving the probe data to CSV, unfortunately we do not have that
> >> capability at present.
> >>
> >> Please keep us up-to-date on your progress.
> >>
> >> Best,
> >>
> >> Unidata IDV Support
> >>
> >> > Full Name: Stephanie Phelps
> >> > Email Address: address@hidden
> >> > Organization: University of Virginia
> >> > Package Version:
> >> > Operating System:
> >> > Hardware:
> >> > Description of problem: Hello,
> >> >
> >> > I am trying to create wind vector (and potential temperature) profiles
> >> over a particular point (lat/lon) in my netcdf file which contains WRF
> >> output.  Ideally I woudl make one profile per 2 hour timestep over 12
> >> hours.  My goal is to use these profiles in comparisons with meteorological
> >> tower data to verify my model simulations.  I have figured out how to
> >> create time series plots at a single height of different variables from my
> >> netcdf file at a specified lat/lon and was able to export the data as a CSV
> >> file.  This is hugely helpful so that I now have the exact data that will
> >> correspond to my tower data at a single height.  Now my quetsion is how to
> >> create vertical profiles at a single lat/lon in my netCDF file for each
> >> time step.  I would like to compare these plots to vertical profiles from
> >> tether balloons for verification.  I was attempting to create these
> >> profiles using the instructions at this website:
> >> https://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplay
> >>  s/profiler/TimeHeightDisplay.html.  I finally figured out that this
> >> example applies to 'wind profiler' data and not netcdf WRF output.
> >>  Ideally, I would also export the data in a CSV file, just like I did for
> >> the time series plots.
> >> >
> >> > Finally, my question is: Is there a way to create vertical profiles of
> >> my wind/temp. data over all the levels in my model out put at a specified
> >> lat/lon for a specified timestamp?
> >> >
> >> > Thanks for your help!
> >> >
> >> >
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: TTW-407940
> >> Department: Support IDV
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> 
> 
> Hello,
> 
> If you have not addressed my question yet please don't spend time on it.  I
> have figured out a way to use the ncks command in NCO to subset the data
> that I would like to work with.
> 
> Thanks!
> Stephanie
> 
> 
> On Wed, Jul 2, 2014 at 3:45 PM, Stephanie Phelps <address@hidden>
> wrote:
> 
> > Hello,
> >
> > Thank you for the help and no worries at all about the delay!  I am
> > looking into the UPP tool now for the post processing.
> >
> > After doing some research I have realized that my previous question is not
> > as straight forward as I thought.
> >
> > I'm very new to using NetCDF files and would appreciate some advice.  What
> > I need to do is extract a vertical profile of certain variables (i.e. winds
> > or temp.) from a given lat/lon  in my WRF NetCDF output file.  I want to
> > compare the extracted profile to actual profiles I have made in the field
> > to verify the model run.
> >
> > What is a normal way of doing this?  I generally code in IDL.  Is it
> > typical for researchers to generate their own code in their programming
> > language of choice to read in a NetCDF file and then visualize what they
> > want?  I am hopeful to find a different way than writing my own code.
> >
> > I have looked around online some and found different potential tools for
> > what I am looking to do.
> >
> > 1) NCO- NCKS: http://marine.rutgers.edu/~jevans/using_dods/nco/ncks.html
> >   2)
> > http://www.unidata.ucar.edu/software/thredds/current/tds/reference/NetcdfSubsetServiceReference.html
> >
> > The second link looks especially promising to me, although it looks like
> > it is just a proto-type and my not be usable.
> >
> > Thank you for the help!
> >
> > Stephanie
> >
> >
> > address@hidden> wrote:
> >
> >> Stephanie,
> >>
> >> First off sorry for the delayed response. We have been busy here with
> >> grant
> >> proposals etc.
> >>
> >> Before working with WRF data in the IDV please post-process the data
> >> through the
> >> UPP. http://www.dtcenter.org/wrf-nmm/users/overview/upp_overview.php
> >> This will
> >> ensure that you have a better experience working with WRF data from the
> >> IDV.
> >>
> >> To your question...
> >>
> >> Yes, it is possible to create vertical profiles at a single lat/lon.
> >>
> >> In the IDV, please go to the Dashboard, Data Choosers Tab.
> >>
> >> Go to the Files node under General (look to the left side of the
> >> dashboard).
> >>
> >> Select your (possibly multiple) WRF output files.
> >>
> >> Please select a Data Source Type of "Aggregate WRF netCDF grids by Time".
> >>
> >> Click Add Source
> >>
> >> Now you should be the Field Selector of the Dashboard.
> >>
> >> Go to 3D grid, Derived, and select the field of interest (e.g., Flow
> >> Vectors).
> >>
> >> In the Displays Panel, Select Probes, Vertical Profile.
> >>
> >> Click Create Display.
> >>
> >> As far as saving the probe data to CSV, unfortunately we do not have that
> >> capability at present.
> >>
> >> Please keep us up-to-date on your progress.
> >>
> >> Best,
> >>
> >> Unidata IDV Support
> >>
> >> > Full Name: Stephanie Phelps
> >> > Email Address: address@hidden
> >> > Organization: University of Virginia
> >> > Package Version:
> >> > Operating System:
> >> > Hardware:
> >> > Description of problem: Hello,
> >> >
> >> > I am trying to create wind vector (and potential temperature) profiles
> >> over a particular point (lat/lon) in my netcdf file which contains WRF
> >> output.  Ideally I woudl make one profile per 2 hour timestep over 12
> >> hours.  My goal is to use these profiles in comparisons with meteorological
> >> tower data to verify my model simulations.  I have figured out how to
> >> create time series plots at a single height of different variables from my
> >> netcdf file at a specified lat/lon and was able to export the data as a CSV
> >> file.  This is hugely helpful so that I now have the exact data that will
> >> correspond to my tower data at a single height.  Now my quetsion is how to
> >> create vertical profiles at a single lat/lon in my netCDF file for each
> >> time step.  I would like to compare these plots to vertical profiles from
> >> tether balloons for verification.  I was attempting to create these
> >> profiles using the instructions at this website:
> >> https://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplay
> >>  s/profiler/TimeHeightDisplay.html.  I finally figured out that this
> >> example applies to 'wind profiler' data and not netcdf WRF output.
> >>  Ideally, I would also export the data in a CSV file, just like I did for
> >> the time series plots.
> >> >
> >> > Finally, my question is: Is there a way to create vertical profiles of
> >> my wind/temp. data over all the levels in my model out put at a specified
> >> lat/lon for a specified timestamp?
> >> >
> >> > Thanks for your help!
> >> >
> >> >
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: TTW-407940
> >> Department: Support IDV
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> 
> 
> Hello,
> 
> If you have not addressed my question yet please don't spend time on it.  I
> have figured out a way to use the ncks command in NCO to subset the data
> that I would like to work with.
> 
> Thanks!
> Stephanie
> 
> 
> On Wed, Jul 2, 2014 at 3:45 PM, Stephanie Phelps <address@hidden>
> wrote:
> 
> > Hello,
> >
> > Thank you for the help and no worries at all about the delay!  I am
> > looking into the UPP tool now for the post processing.
> >
> > After doing some research I have realized that my previous question is not
> > as straight forward as I thought.
> >
> > I'm very new to using NetCDF files and would appreciate some advice.  What
> > I need to do is extract a vertical profile of certain variables (i.e. winds
> > or temp.) from a given lat/lon  in my WRF NetCDF output file.  I want to
> > compare the extracted profile to actual profiles I have made in the field
> > to verify the model run.
> >
> > What is a normal way of doing this?  I generally code in IDL.  Is it
> > typical for researchers to generate their own code in their programming
> > language of choice to read in a NetCDF file and then visualize what they
> > want?  I am hopeful to find a different way than writing my own code.
> >
> > I have looked around online some and found different potential tools for
> > what I am looking to do.
> >
> > 1) NCO- NCKS: http://marine.rutgers.edu/~jevans/using_dods/nco/ncks.html
> >   2)
> > http://www.unidata.ucar.edu/software/thredds/current/tds/reference/NetcdfSubsetServiceReference.html
> >
> > The second link looks especially promising to me, although it looks like
> > it is just a proto-type and my not be usable.
> >
> > Thank you for the help!
> >
> > Stephanie
> >
> >
> > address@hidden> wrote:
> >
> >> Stephanie,
> >>
> >> First off sorry for the delayed response. We have been busy here with
> >> grant
> >> proposals etc.
> >>
> >> Before working with WRF data in the IDV please post-process the data
> >> through the
> >> UPP. http://www.dtcenter.org/wrf-nmm/users/overview/upp_overview.php
> >> This will
> >> ensure that you have a better experience working with WRF data from the
> >> IDV.
> >>
> >> To your question...
> >>
> >> Yes, it is possible to create vertical profiles at a single lat/lon.
> >>
> >> In the IDV, please go to the Dashboard, Data Choosers Tab.
> >>
> >> Go to the Files node under General (look to the left side of the
> >> dashboard).
> >>
> >> Select your (possibly multiple) WRF output files.
> >>
> >> Please select a Data Source Type of "Aggregate WRF netCDF grids by Time".
> >>
> >> Click Add Source
> >>
> >> Now you should be the Field Selector of the Dashboard.
> >>
> >> Go to 3D grid, Derived, and select the field of interest (e.g., Flow
> >> Vectors).
> >>
> >> In the Displays Panel, Select Probes, Vertical Profile.
> >>
> >> Click Create Display.
> >>
> >> As far as saving the probe data to CSV, unfortunately we do not have that
> >> capability at present.
> >>
> >> Please keep us up-to-date on your progress.
> >>
> >> Best,
> >>
> >> Unidata IDV Support
> >>
> >> > Full Name: Stephanie Phelps
> >> > Email Address: address@hidden
> >> > Organization: University of Virginia
> >> > Package Version:
> >> > Operating System:
> >> > Hardware:
> >> > Description of problem: Hello,
> >> >
> >> > I am trying to create wind vector (and potential temperature) profiles
> >> over a particular point (lat/lon) in my netcdf file which contains WRF
> >> output.  Ideally I woudl make one profile per 2 hour timestep over 12
> >> hours.  My goal is to use these profiles in comparisons with meteorological
> >> tower data to verify my model simulations.  I have figured out how to
> >> create time series plots at a single height of different variables from my
> >> netcdf file at a specified lat/lon and was able to export the data as a CSV
> >> file.  This is hugely helpful so that I now have the exact data that will
> >> correspond to my tower data at a single height.  Now my quetsion is how to
> >> create vertical profiles at a single lat/lon in my netCDF file for each
> >> time step.  I would like to compare these plots to vertical profiles from
> >> tether balloons for verification.  I was attempting to create these
> >> profiles using the instructions at this website:
> >> https://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplay
> >>  s/profiler/TimeHeightDisplay.html.  I finally figured out that this
> >> example applies to 'wind profiler' data and not netcdf WRF output.
> >>  Ideally, I would also export the data in a CSV file, just like I did for
> >> the time series plots.
> >> >
> >> > Finally, my question is: Is there a way to create vertical profiles of
> >> my wind/temp. data over all the levels in my model out put at a specified
> >> lat/lon for a specified timestamp?
> >> >
> >> > Thanks for your help!
> >> >
> >> >
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: TTW-407940
> >> Department: Support IDV
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> 
> 


Ticket Details
===================
Ticket ID: TTW-407940
Department: Support IDV
Priority: Normal
Status: Closed


NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.