[ncl-talk] OPeNDAP issues

[Adam Turchioe]

Hi Mary,

I am able to read and process the data just fine when reading through the CFSR/CFSv2 history (monthly from 1979-2017), including the file below. However, when the do-loop reaches its fourth or fifth iteration, it will give me the error message that the cookie file could not be written. I’m not sure if there is a maximum number of iterations you can plug into a do-loop, but it seems to be not entirely random for it to keep occurring at the same file.

Cheers,
Adam

From: Mary Haley [mailto:haley at ucar.edu]
Sent: July 10, 2017 4:06 PM
To: Adam Turchioe <Adam_Turchioe at cargill.com>
Cc: ncl-talk at ucar.edu
Subject: Re: [ncl-talk] OPeNDAP issues

Adam,

Are you still having a problem with this?  I was able to open the file just fine with NCL V6.4.0 on my Mac:

% ncl
 Copyright (C) 1995-2017 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 6.4.0
 The use of this software is governed by a License Agreement.
 See http://www.ncl.ucar.edu/ for more details.
ncl 0> a = addfile("http://rda.ucar.edu/thredds/dodsC/files/g/ds094.2/regular/pgncl 0> a = addfile("http://rda.ucar.edu/thredds/dodsC/files/g/ds094.2/regular/pgbh.gdas.201307.tar","r")
ncl 1> print(a)

Variable: a
Type: file
filename:       pgbh.gdas.201307.tar
path:   http://rda.ucar.edu/thredds/dodsC/files/g/ds094.2/regular/pgbh.gdas.201307.tar
   file global attributes:
      Originating_or_generating_Center : US National Weather Service, National Centres for Environmental Prediction (NCEP)
      Originating_or_generating_Subcenter : 0
      GRIB_table_version : 2,1
      Type_of_generating_process : Forecast
      Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre : Climate Data Assimilation System (CDAS)
      file_format : GRIB-2
      Conventions : CF-1.6
      history : Read using CDM IOSP GribCollection v3
      featureType : GRID
   dimensions:
      ncl_scalar = 1
      altitude_above_msl = 4
      depth_below_surface_layer = 1
      depth_below_surface_layer1 = 4
. . .




On Sat, Jul 8, 2017 at 7:27 AM, Adam Turchioe <Adam_Turchioe at cargill.com<mailto:Adam_Turchioe at cargill.com>> wrote:
Hi Jon and NCL-talk,

Bringing this issue up again. I am trying to process CFSR/CFSv2 data via OPeNDAP to mask data creating a long CSV with historical temp, rainfall, & soil moisture. The loop runs state-by-state, creating monthly data from 1979-present. However, after processing ~4 states, at the same exact point in July 2013 I’m getting a similar message where the cookie file cannot be read/written and the loop breaks.


Cookie file cannot be read and written: /home/a079441/.urs_cookies
fatal:Could not open (http://rda.ucar.edu/thredds/dodsC/files/g/ds094.2/regular/pgbh.gdas.201307.tar)
fatal:file (a) isn't defined
fatal:["Execute.c":8575]:Execute: Error occurred at or near line 259 in file WxVars_Shapemask_US_CFSR.ncl

I’ve tried deleting all the variables after each state’s turn in the do-loop, but nothing seems to be working. Any ideas on how to fix this problem?

Cheers,
Adam

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