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Re: 20060323: Radar Level II question
- Subject: Re: 20060323: Radar Level II question
- Date: 24 Mar 2006 14:14:18 -0700
David,
The output looks good.
Previously you had said 5.9.1 was displaying over Colorado, but your
5.9.1 gif is correctly centered over Long Island. You had
said that your 5.7 wasn't displaying the image at all...but it is
according to your attached gif!?
The difference in the map region is that the newer distribution defaults
to the full Level II data region, so you can see echoes further out
(eg the equivalent of the 254 nmi range vs 125 nmi). This turns out to
be much better for watching storms (like hurricanes) out in the ocean.
Aside from the display region, which you can zoom in on, or set with
GAREA instead of "dset", do you have a problem now?
Also note that in your title "^", you used a GRID file replacement
character that I don't have support for.
Steve Chiswell
Unidata User Support
On Fri, 2006-03-24 at 08:01, David Novak wrote:
> Hi Steve,
>
> No go. The $GEMTBL variable is pointing to
> /usr1/programs/nawips5.9/gempak/tables so that looks good. Gemenviron is
> sourced (I see the very fast performance of the speed patch). And I see
> the path:
>
> /usr1/programs/nawips/os/linux/bin (nawips is linked to nawips59)
>
> If it helps, I also noticed that for more recent data my map background
> has totally changed. I've attached a recent case radar plot using 5.7
> and now with the update to 5.9.
>
> If you want, I can give you a call or you can call me (631-244-0134) to
> troubleshoot.
>
> Thanks,
> Dave
>
> Steve Chiswell wrote:
>
> >David,
> >
> >there is a failsafe that if no other location can be found, it just uses
> >FTG so that it has something...which is what you are seeing, but this
> >shouldn't be happening. I get the correct display over NY here.
> >
> >The NEXRII template is in $GEMTBL/config/datatype.tbl and the
> >file template is there which matches what you used, but
> >it could be that your $GEMTBL is not pointing to the correct release,
> >or didn't source the Gemenviron for the new version?
> >
> >The garbage seems like more of a symptom of a prpogram connecting to
> >a gplt or device driver from an older version. Make sure you have
> >shut down your old gplts (either gpend or "cleanup -c").
> >
> >Check your $PATH variable and make sure the 5.7.2p2 executables aren't
> >in that path. The Gemenviron will add $NAWIPS/os/linux/bin to your
> >path for the 5.9.1 version.
> >
> >Steve Chiswell
> >Unidata User Support
> >
> >On Thu, 2006-03-23 at 14:07, David Novak wrote:
> >
> >
> >>Hi Steve,
> >>
> >>It's now plotting, but it is plotting over Denver, when the radar site
> >>is in New York (see attached). You mentioned the
> >>
> >>datatype.tbl entry for NEXRII
> >>
> >>Where do I look for this? Anything else that could be checked?
> >>
> >>Also, I'm finding when runing my screen text becomes wild (see second
> >>attachment). Any ideas?
> >>
> >>Thanks very much,
> >>Dave
> >>
> >>Steve Chiswell wrote:
> >>
> >>
> >>
> >>>David,
> >>>
> >>>Yeah...thats a couple of years old now. The first iteration
> >>>was based on files received in the IDD where the dcnexr2 decoder would
> >>>add the station ID to to the file in the appropriate bytes.
> >>>
> >>>My subsequent development works with the many iterations of the
> >>>data formats, bzip2, older format headers etc. and eliminated
> >>>the need to munge the file headers pre build 5.0.
> >>>
> >>>Steve Chiswell
> >>>Unidata User Support
> >>>
> >>>
> >>>On Thu, 2006-03-23 at 11:21, David Novak wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>Steve,
> >>>>
> >>>>I'm runing 5.7.2p2, so I bet that's it. I'll update to 5.9 and let you
> >>>>know what happens...
> >>>>
> >>>>Dave
> >>>>
> >>>>Steve Chiswell wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>David,
> >>>>>
> >>>>>I was able to display your file, so the format is fine.
> >>>>>Are you using 5.9.1 (comparing apples to apples)?
> >>>>>Are you using my datatype.tbl entry for NEXRII which specified the file
> >>>>>name is %SITE%_YYYYMMDD_HHNN?
> >>>>>
> >>>>>Its OK to use a full file path to the file, but the code will use the
> >>>>>NEXRII template to get the file alias when the site ID is not in the
> >>>>>data, so that %SITE% string must match your KOKX part of the file-
> >>>>>which it should, unless your datatype.tbl doesn't have the NEXRII
> >>>>>template (if you had an NCEP datatype.tbl file for example).
> >>>>>
> >>>>>Double check that your path is correct. Is that OKX correct and not
> >>>>>KOKX?:
> >>>>>/usr1/data/dnovak/radar/001230/OKX/
> >>>>>
> >>>>>Try running gpnexr2 from the directory containing the data and check the
> >>>>>file permissions if all else fails.
> >>>>>
> >>>>>Steve Chiswell
> >>>>>Unidata User Support
> >>>>>
> >>>>>
> >>>>>
> >>>>>On Thu, 2006-03-23 at 10:34, David Novak wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Hi Steve,
> >>>>>>
> >>>>>>Yup did the gunzip, and now I used the od command and see what you see.
> >>>>>>HOWEVER, I get the same error message.
> >>>>>>
> >>>>>>An example data file and my script is at:
> >>>>>>
> >>>>>>Do you see anything strange?
> >>>>>>Thanks!
> >>>>>>Dave
> >>>>>>
> >>>>>>Steve Chiswell wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>>David,
> >>>>>>>
> >>>>>>>NCDC has compressed the individual files within the tarfile
> >>>>>>>(each file has a .Z extension).
> >>>>>>>
> >>>>>>>You have to use the uncompress command on the file. At that point, the
> >>>>>>>first 9 bytes should be "ARCHIVE2.", eg:
> >>>>>>>%od -c KOKX_20011230_0959 | head -1
> >>>>>>>0000000 A R C H I V E 2 . 3 8 4 \0 \0 , :
> >>>>>>>
> >>>>>>>With your file naming as shown below, gpnexr2 will be able to obtain
> >>>>>>>the
> >>>>>>>site id from the file name which is required in pre build 5.0 files
> >>>>>>>that lacked the station ID or location within the data.
> >>>>>>>
> >>>>>>>Steve Chiswell
> >>>>>>>Unidata User SUpport
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>On Thu, 2006-03-23 at 09:49, David Novak wrote:
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>>Thanks Steve and all,
> >>>>>>>>
> >>>>>>>>One other question...I recently downloaded Nexrad Level II radar data
> >>>>>>>>for a Dec 2000 case from the NCDC HADS website:
> >>>>>>>>http://hurricane.ncdc.noaa.gov/pls/plhas/has.dsselect
> >>>>>>>>
> >>>>>>>>The data in 2000 is apparently in a different format than more recent
> >>>>>>>>data, since a more on the data files shows different text at the top.
> >>>>>>>>Consequently, I get the following error upon trying to plot using
> >>>>>>>>gpnexr2:
> >>>>>>>>
> >>>>>>>>Enter <cr> to accept parameters or type EXIT: : No such file or
> >>>>>>>>directory
> >>>>>>>>wsr88d_to_radar: No valid site ID info found.
> >>>>>>>>[IM -3] Image file
> >>>>>>>>/usr1/data/dnovak/radar/001230/OKX/KOKX_20001230_0959 not a supported
> >>>>>>>>format
> >>>>>>>>[IM -8] Could not open LUT file ...
> >>>>>>>>[GEMPLT -15] NIPROJ - Invalid projection specified.
> >>>>>>>>[GG -7] No map drawn.
> >>>>>>>>[GEMPLT -15] NIPROJ - Invalid projection specified.
> >>>>>>>>[GG -13] Error drawing lat/lon grid.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>Has anyone else noticed this? Is there a workaround?
> >>>>>>>>
> >>>>>>>>Thanks,
> >>>>>>>>Dave
> >>>>>>>>P.S. The data file was too large to post...
> >>>>>>>>
> >>>>>>>>Steve Chiswell wrote:
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>David,
> >>>>>>>>>
> >>>>>>>>>We decode the NLDN data from binary files into GEMPAK surface
> >>>>>>>>>files and use SFMAP to plot the data, points, etc.
> >>>>>>>>>
> >>>>>>>>>Since your data is not of the same format as our IDD feed to
> >>>>>>>>>use our dcnldn decoder, you can put your data into the
> >>>>>>>>>ascii format used by SFLIST for importing into a GEMPAK
> >>>>>>>>>surface file using SFEDIT as shown here:
> >>>>>>>>>
> >>>>>>>>>http://www.unidata.ucar.edu/cgi-bin/getfile?file=/content/support/help/MailArchives/gempak/msg04454.html
> >>>>>>>>>
> >>>>>>>>>Steve Chiswell
> >>>>>>>>>Unidata User Support
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>On Wed, 2006-03-22 at 13:58, David Novak wrote:
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>>All -
> >>>>>>>>>>
> >>>>>>>>>>Is there a GEMPAK program to plot lightning data? It's not obvious
> >>>>>>>>>>to
> >>>>>>>>>>me. I have text files with that contain
> >>>>>>>>>>(1) date, (2) time, (3) latitude, (4) longitude, (5) peak current
> >>>>>>>>>>and
> >>>>>>>>>>polarity, (6) chi square value
> >>>>>>>>>>
> >>>>>>>>>>Thanks!
> >>>>>>>>>>Dave
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>