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[IDV #EUJ-470419]: Error loading WRF NetCDF files: "Dimension time does not exist"

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  • Subject: [IDV #EUJ-470419]: Error loading WRF NetCDF files: "Dimension time does not exist"
  • Date: Thu, 20 Dec 2018 16:15:07 -0700
> Hi,
> 
> 
> 
> Per IDV instructions at
> https://www.unidata.ucar.edu/software/idv/docs/workshop/datadisplays/wrf/Int
> eractiveWRFLoadOutput.html, I am trying to load a sequence of WRF time step
> NetCDF files into IDV, but I am getting an error message "Dimension time
> does not exist," as shown in the first attachment. The second attachment is
> an ncdump of the Times variable which shows that Times indeed appears to
> have the dimension Time. The Times variable data is at the top and bottom of
> the ncdump output.
> 
> 
> 
> I can use NCL to add to the WRF time step NetCDF files whatever IDV is
> looking for regarding a time dimension, so please let me know what is
> missing and causing the IDV error. Thanks!
> 
> 
> 
> Jim
> 
> 
> 
> James A. Schiavone
> 
> Independent Scientist*
> 
> Bridgewater, NJ
> 
> Phone: 908-658-3158
> 
> 
> 
> * Collaborating with Rutgers University, Cray and NCAR
> 
> 
> 
> 
> 
Hi Jim,

The definition of the Times variable is only valid for the WRF dataset, so you 
need to add one global attribute:

_CoordSysBuilder = "ucar.nc2.dataset.conv.WRFConvention";

And the Data Source Type need to be "Aggregate WRF netCDF grids by Time".

Give it a try.

Yuan

Ticket Details
===================
Ticket ID: EUJ-470419
Department: Support IDV
Priority: Normal
Status: Open
===================
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