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[McIDAS #CLA-376903]: GLM plots



Hi again Carol,

Another question with a thought:

- were you trying to overlay an "old" (e.g., yesterday) image with
  corresponding GLM data?

  If yes, the reason your GLMDISP (glmdisp.k) invocations may have
  failed is that there were no GLM products for the same DAY and
  TIME for the image you were trying to overlay.

  Explanation:

  - the ADDE server setup that I made on the Unidata ADDE servers that
    have GOES-R/S GLM data is for a 12 hour set of GLM data in a
    'current' set

    I did this _assuming_ that the core ADDE servers for GLM data AND
    routines like GLMLIST and GLMDISP would correctly access datasets
    of "archived" (non-current) data.  I just ran some tests to see
    if lead.unidata.ucar.edu's ADDE server was functioning correctly,
    and I ran into unexpected failures.

If, in fact, you were trying to overlay non-real-time GOES-16 full
disk imagery with time matched GLM data, this may not be possible
either because there is something I have not understood about setting
up an "archived" dataset, or because there is a bug in either/both of
the core ADDE servers for GLM data or in assumptions made in the GLMLIST
and GLMDISP routines.  I will have to do some investigations to see where
the problem lies and work with SSEC to get the problem corrected.

Until then, I recommend that you alter your processing procedures to
product overlays of GLM data on real-time/near real-time imagery.
Again, my ADDE server setups (which included the EOL ADDE server)
only keep 12 hours of GLM data in a 'current' set.

I hope that the above makes sense.  Please (!) let me know if it does
not!!

For the meantime, I will increase the 'current' set size to be about
24 hours instead of the current 12 hours.

Cheers,

Tom
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Ticket Details
===================
Ticket ID: CLA-376903
Department: Support McIDAS
Priority: Normal
Status: Closed
===================
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