[ncl-talk] strange output from NCL

[Saurabh Singh]

This solves, Its the fist time i encountered a file with encoding like
this. Thanks a lot Casper.

On Fri, Apr 29, 2016 at 7:50 PM, Caspar Ammann <ammann at ucar.edu> wrote:

> Look in the attributes list of your variable dump. There are
> “scale_factor", and "add_offset”. Once you apply those to your numbers, you
> are fine. Some software packages apply these automatically once you open
> the variable, and sometimes (particularly when looking into the file) you
> still need to apply them.
> Caspar
>
> Caspar Ammann
> National Center for Atmospheric Research
> RAL - Climate Science and Applications Program
>
> On Apr 29, 2016, at 4:56 AM, Saurabh Singh <saurabhsingh123op at gmail.com>
> wrote:
>
> I am opening the Reanalysis-2 wind data first i tried in CDO, The data has
> wind value so the min/max range -10 to 10.  However when i tried opening
> this data in NCL i get strange outputs i.2 in range 0f -2000. I don't why
> this is hapening.I am pasting the output along with the data.
>
> CDO Output
> cee2 at cee2:~$ cdo info SV10.nc
>     -1 :       Date     Time   Level Gridsize    Miss :     Minimum
> Mean     Maximum : Parameter ID
>      1 : 2000-01-01 00:00:00      10      304       0 :     -8.2600
> -1.6862      6.7400 : -1
>      2 : 2000-01-02 00:00:00      10      304       0 :     -8.1600
> -1.7035      5.1700 : -1
>      3 : 2000-01-03 00:00:00      10      304       0 :     -9.7900
> -1.7118      5.8700 : -1
>      4 : 2000-01-04 00:00:00      10      304       0 :     -10.240      0.11095
>     8.8300 : -1
> ......
> ....
>
>
> NCL outputs:
>
> Number of Dimensions: 4
> Dimensions and sizes: [time | 2922] x [level | 1] x [lat | 16] x [lon |
> 19]
> Coordinates:
>             time: [1753152..1823256]
>             level: [10..10]
>             lat: [14.2855..-14.2855]
>             lon: [90..123.75]
> Number Of Attributes: 20
>   cell_methods : time: mean (of 4 6-hourly values in one day)
>   standard_name : eastward_wind
>   parent_stat : Individual Obs
>   statistic : Mean
>   level_desc : 10 m
>   dataset : NCEP/DOE AMIP-II Reanalysis (Reanalysis-2) Daily Averages
>   var_desc : u-wind
>   GRIB_name : U GRD
>   GRIB_id : 33
>   least_significant_digit : 1
>   precision : 2
>   missing_value : 32766
>   scale_factor : 0.01
>   add_offset : 207.65
>   units : m/s
>   actual_range : ( -32.79, 37.59 )
>   unpacked_valid_range : ( -120, 120 )
>   valid_range : ( -32765, -8765 )
>   long_name : Daily Forecast of U-wind at 10 m
>   _FillValue : -32767
> (0,0,0,0) -21257
> (0,0,0,1) -21082
> (0,0,0,2) -20933
> (0,0,0,3) -20810
> (0,0,0,4) -20792
> (0,0,0,5) -20868
> (0,0,0,6) -21008
> (0,0,0,7) -21122
> (0,0,0,8) -21094
> ....
> With regards
> Saurabh Kumar singh
>
>
>  *P** : * *Please consider the environment before printing this e-mail*
>
>
>
> _______________________________________________
> ncl-talk mailing list
> ncl-talk at ucar.edu
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>
>


-- 
With regards
Saurabh Kumar singh

 *P** : * *Please consider the environment before printing this e-mail*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20160429/c4d4dfed/attachment.html