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RE: 20041117 : Local research sounding in Gempak



Nancy, 
Typically you want a time series axis for profiler winds
(not a skewt diagram program such as NSHARP),
so sncross2 (aka sncross wityh colored wind barbs) is the 
usual application (also available in Garp as a gui).

http://my.unidata.ucar.edu/content/software/gempak/examples/profiler/index.html

http://my.unidata.ucar.edu/content/software/gempak/tutorial/garp4.html
( and $GARPHOME/html/Interface3.html)

Steve Chiswell
Unidata User Support

On Fri, 2004-11-19 at 11:49, Nancy Selover wrote:
> Steve,
>       So if I have a profiler data file, with just wind speed, wind
> direction and height, what program should I use to view the data? 
> 
> Thanks,
> Nancy
> 
> -----Original Message-----
> From: Steve Chiswell [mailto:address@hidden] 
> Sent: Friday, November 19, 2004 10:43 AM
> To: Nancy Selover
> Cc: GEMPAK support
> Subject: RE: 20041117 : Local research sounding in Gempak
> 
> Nancy,
> 
> Yes, NSHARP is really made for loooking at radiosonde soundings where
> the entire right side of the display is various indicies for storm
> intensity, structure and severity, etc.
> Because of this, it is not as general an application as programs like
> SNPROF which can be used for any type of GEMPAK upperair files.
> 
> Steve Chiswell
> 
> 
> 
> 
> 
> 
> 
> On Thu, 2004-11-18 at 16:38, Nancy Selover wrote:
> > Steve,
> >     Thanks, that did the trick.  The other file I had had only wind
> speed 
> > and direction, but no temperature or other variables, except height.  
> > Is this the same reason it crashes, it is trying to calculate some 
> > other parameters?
> > 
> > Nancy
> > 
> > -----Original Message-----
> > From: Steve Chiswell [mailto:address@hidden]
> > Sent: Thursday, November 18, 2004 3:30 PM
> > To: Nancy Selover
> > Cc: GEMPAK support
> > Subject: RE: 20041117 : Local research sounding in Gempak
> > 
> > Nancy,
> > 
> > Your sounding doesn't have winds. The problem is likely that all the 
> > computed indicies are causing the problem. Can you provide wind spedd 
> > and direction in your gempak file?
> > 
> > Steve Chiswell
> > Unidata User Support
> > 
> > 
> > On Thu, 2004-11-18 at 11:45, Nancy Selover wrote:
> > > Steve,
> > >   I am using the latest version of Gempak, so even though the
> > number of
> > > levels should not be a problem, I tried reducing the number of 
> > > levels and it still causes NSHARP to crash with a core dump and no 
> > > error message, even though snedit says it created the file - with no
> 
> > > error messages.  What am I missing?  I have another set of soundings
> 
> > > I am trying to display - with the same problem.
> > > 
> > > Thanks,
> > > Nancy
> > > 
> > > -----Original Message-----
> > > From: address@hidden
> > > [mailto:address@hidden] On Behalf Of Steve Chiswell
> > > Sent: Wednesday, November 17, 2004 10:19 AM
> > > To: Larry D. Oolman
> > > Cc: address@hidden; GEMPAK support
> > > Subject: 20041117 : Local research sounding in Gempak
> > > 
> > > Larry, FYI...
> > > 
> > > The current version of NSHARP (which supports looping 5.7.2 and 
> > > later)
> > 
> > > uses the GEMPAK LLMXLV array size (currently 500 levels).
> > > 
> > > Steve Chiswell
> > > Unidata User Support
> > > 
> > > 
> > > 
> > > 
> > > On Wed, 2004-11-17 at 08:31, Larry D. Oolman wrote:
> > > > The array size for the data in nsharp is only 200 levels.
> > > > I counted 288 levels in your data.
> > > > 
> > > > Nancy Selover wrote:
> > > > > I have a local sounding which has pressure, height, temperature,
> 
> > > > > and
> > > 
> > > > > dewpoint for a single location, single time.  I have put the 
> > > > > ASCII
> > 
> > > > > file into the format for SNFIL, with the lat, long, elevation, 
> > > > > dattime, etc., and run snedit to generate a gempak SNFILE.  It 
> > > > > all
> > 
> > > > > seems to work okay, but NSHARP crashes when I select the
> sounding.
> > > > > It has no error message.  Here are the two files:  pnnTsnd.txt 
> > > > > is the ASCII SNFIL, and pnnTsnd.gem is the converted gempak
> SNFILE.
> > > > > When I run SNLIST on it, it all appears to be correct.
> > > > > 
> > > > > <<pnnTsnd.txt>> <<pnnTsnd.gem>>
> > > > > 
> > > > > Any suggestions about why NSHARP crashes?
> > > > > Nancy
> > > > > 
> > > > > */Nancy J. Selover/*//
> > > > > ///Asst. State Climatologist/
> > > > > Office of Climatology tel: 480-965-0580 Arizona State University
> > > > > fax: 480-965-1473 Tempe, AZ 85287-1508 e-mail: address@hidden
> > > > > 
> > > > 
> > > 
> > 
>