[ncl-talk] strange output from NCL

[Saurabh Singh]

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


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