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Re: [idvusers] IDV unable to recognize grids from nomads.ncep.noaa.gov

Hi Kevin:

there are two issues going on:
1) we get constant, intermittent HTTP failures from nomads.ncep.noaa.gov domain, in both the browser and TDS. I suspect their servers are overwhelmed. Just retry.
2) that dataset has an ensemble dimension that IDV/CDM doesnt recognize. the main problem is that the CDM doesnt currently parse the "GRaDS" conventions, which doesnt seem to be published. theres probably an NcML workaround in case that helps. 

John


On 4/6/2011 2:50 PM, Kevin R. Tyle wrote:

Hi all,
Any idea why IDV does not recognize GFS Ensemble files from nomads.ncep.noaa.gov:9090/dods/gens as grid files?
For any of the catalog items listed when I browse this directory, I get an error of the form (e.g. perturbation run # 20 from 12Z run today): 

There was an error loading the data:
Error creating data source:dods.grid with: http://nomads.ncep.noaa.gov:9090/dods/gens/gens20110406/gep20_12z Grid data source failed making data set: dods://nomads.ncep.noaa.gov:9090/dods/gens/gens20110406/gep20_12z 
/gens/gens20110406/gep20_12z is not an available dataset

The specific exception is:
opendap.dap.DAP2Exception: /gens/gens20110406/gep_all_12z is not an available dataset 

Other models (e.g. GFS) load fine from this NOMADS server.

Thanks,

Kevin

______________________________________________________________________
Kevin Tyle, Systems Administrator               **********************
Dept. of Atmospheric & Environmental Sciences   ktyle@xxxxxxxxxxxxxxxx
University at Albany, ES-235                    518-442-4578 (voice)
1400 Washington Avenue                          518-442-5825 (fax)
Albany, NY 12222                                **********************
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