[NARCCAP-discuss] missing data in pr_WRFG_ccsm_1971010103.nc

Sara Rauscher rauscher at lanl.gov
Thu Feb 2 16:46:35 MST 2012


Hi Seth-
Thanks for the fast response. I did not carefully read the data status 
page.
sara



On 2/2/12 4:20 PM, Seth McGinnis wrote:
> Hi Sara,
>
> The reasons for missing data are many and varied.  Sometimes it's because of
> where the model runs out of boundary conditions, or due to limitations in
> post-processing.  There are some cases where timesteps were lost because the
> program wasn't able to write to disk successfully.  Et cetera.
>
> (In the case of missing timesteps at the beginning of the year for WRF pr, I
> believe it was due to a workaround for the problem of certain flux variables
> being stored in cumulative form.)
>
> By the time the data has been published, either the models have already been
> re-run to fill in any gaps, or it has proved infeasible to do so.  We've done
> our best to ensure that any known gaps in the data have been filled with
> missing_data, and have tabulated them on the website:
> http://www.narccap.ucar.edu/data/missing/
>
> We've made notes about known irregularities at the end of the Data Status page
> on the website, so be sure to check there if you encounter anything unexpected:
> http://www.narccap.ucar.edu/data/status.html#exceptions
>
> Cheers,
>
> --Seth
>
>
> On Thu, 02 Feb 2012 15:17:30 -0700
>   Sara Rauscher<rauscher at lanl.gov>  wrote:
>> Hi,
>> I am working with the WRFG-ccsm data. I noticed that there are some
>> missing values in some of the present day files - e.g., the first time
>> slice in
>> pr_WRFG_ccsm_1971010103.nc
>> Is this problem known, and why are there missing data? Are there plans
>> to replace these with complete files. I've downloaded PS, HUSS, and TAS
>> for the same experiment and I did not see missing data in those files.
>> thanks
>> sara
>>
>> -- 
>> Sara A. Rauscher
>> (505) 606-0512
>> T-3 Fluid Dynamics
>> MS B216
>> Los Alamos National Lab
>> Los Alamos, NM 87545 USA
>>
>>
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-- 
Sara A. Rauscher
(505) 606-0512
T-3 Fluid Dynamics
MS B216
Los Alamos National Lab
Los Alamos, NM 87545 USA




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