[IDV #QHL-990399]: Question About SREF Wind Plot

Hi Jacob-

Update on this.  With the latest nightly build, you can right
click on the parameter you want to alias and select the
"Add X as an alias for" menu and select the canonical name you
want to add that for.

Don

> > I am having trouble understanding the alias tool.  In dealing with dewpoint 
> > temperature, would I need to make the program derive dewpoint from 
> > temperature and relative humidity in the alias tool?  Could you help me get 
> > dewpoint temperature from the SREF model?  Thanks!
> 
> You'll need to add an alias to TEMP for the temperature variable and RH for 
> the
> relative humidity variable.  You can get the names of the variables by mousing
> over the name in the Field Selector.  For example, for the SREF weighted mean
> if you mouse over the temperature variable, you'll see the tooltip shows:
> 
> Temperature_weightedMean21_pressure
> Temperature_weightedMean21 @ pressure
> 
> The first is the actual field name which you would want to use.  Go to the
> Tools->Parameter Alias Editor dialog, select the System aliases tab, find
> the TEMP row and right click on it.  Select Copy to User's Table and in the
> dialog that pops up, enter Temperature_weightedMean21_pressure on it's
> own line in the bottom text area.  Do the same for RH and then reload the
> data.  If you've done it correctly, you should see a derived quantity for
> the Dewpoint under the Temperature->Derived pull fields.  See the User's
> Guide for more information on Data Aliases at:
> 
> http://www.unidata.ucar.edu/software/IDV/docs/userguide/tools/AliasEditor.html
> 
> You can also get a list of the parameters using the Data Source Properties
> under the Details tab.
> 
> Don Murray
> 
> > -----Original Message-----
> > From: Unidata IDV Support [mailto:address@hidden]
> > Sent: Fri 5/8/2009 9:47 AM
> > To: Gore, Michael J
> > Cc: address@hidden
> > Subject: [IDV #QHL-990399]: Question About SREF Wind Plot
> >
> > Jacob-
> >
> > > Hey, is there a way to derive 3D flow vectors from the SREF 
> > > ensprod_biasc?  The SREF under the Georesources server does not have any 
> > > derived data like the GFS or NAM do.  The SREF model runs under the 
> > > Experimental RAMADDA server has many 3D derived products for the SREF.  
> > > Is there a way I can implement desired derived products?
> >
> > I added aliases for U and V for the WeightedAverage21 wind products
> > and that is available in the latest nightly build.  That provides
> > the derived wind products (vectors, speed, divergence).
> >
> > You can use the Tools->Alias Editor to add aliases for any
> > of the variable names.
> >
> > Don Murray
> >
> > > -----Original Message-----
> > > From: Unidata IDV Support [mailto:address@hidden]
> > > Sent: Sun 5/3/2009 9:36 AM
> > > To: Gore, Michael J
> > > Cc: address@hidden
> > > Subject: [IDV #QHL-990399]: Question About SREF Wind Plot
> > >
> > > Hi Jacob-
> > >
> > > > Full Name: Jacob Gore
> > > > Email Address: address@hidden
> > > > Organization: Educational
> > > > Package Version: 2.7a1 build date:2009-04-09 07:08 UTC
> > > > Operating System: Linux
> > > > Hardware: Java: home: /home/jacob/IDV_2.7a1/jre version: 1.6.0_07 
> > > > j3d:1.5.2 fcs (build4)
> > > > Description of problem: This is Jacob Gore with the former email 
> > > > address: address@hidden.  I will be using this new email address, 
> > > > address@hidden for now on.
> > >
> > > Thanks for letting us know.
> > >
> > > >I have a question    about displaying 3D wind data from the SREF model.  
> > > >I loaded a latest model run      from the Georesources catalog in the 
> > > >IDV and attempted to download 3D wind plots  for the level 1000MB.  
> > > >However, there are only a select few levels available as           
> > > >opposed to the GFS or the NAM which have all levels.  The SREF only has 
> > > >850MB and a few others above that.  Is there a way that the SREF can 
> > > >display 1000MB Winds       from 3D derived?  If so, how would I go about 
> > > >implementing this?
> > >
> > > I'm not sure what the difference between the two entries is, but
> > > if you select the first set of data (enprod_biasc), it has more levels,
> > > including 1000 millibar.  Select the weighted mean variables.
> > > I'll look into the difference between them on Monday.
> > >
> > > Don
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: QHL-990399
> > > Department: Support IDV
> > > Priority: Normal
> > > Status: Open
> > >
> > >
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: QHL-990399
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> >
> >
> 


Ticket Details
===================
Ticket ID: QHL-990399
Department: Support IDV
Priority: Normal
Status: Closed