[ncl-install] ncl output error

Abdoulaye SY sy.abdoulaye3 at ugb.edu.sn
Tue Oct 28 03:00:14 MDT 2014


Hi,

When i load this data with addfile function i have values like -20591. I
would know why i dont see the normal values?
The description of the data is :

filename:    uwnd.2010
path:    /media/ablaye/terabouya/Data/2010/uwnd.2010.nc
   file global attributes:
      Conventions : COARDS
      title : mean daily NMC reanalysis (2010)
      history : created 2009/12 by Hoop (netCDF2.3)
      description : Data is from NMC initialized reanalysis
(4x/day).  It consists of most variables interpolated to
pressure surfaces from model (sigma) surfaces.
      platform : Model
      references :
http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html
   dimensions:
      lon = 144
      lat = 73
      level = 17
      time = 365  // unlimited
   variables:
      float level ( level )
         units :    millibar
         actual_range :    ( 1000, 10 )
         long_name :    Level
         positive :    down
         GRIB_id :    100
         GRIB_name :    hPa
         axis :    Z

      float lat ( lat )
         units :    degrees_north
         actual_range :    ( 90, -90 )
         long_name :    Latitude
         standard_name :    latitude
         axis :    Y

      float lon ( lon )
         units :    degrees_east
         long_name :    Longitude
         actual_range :    (  0, 357.5 )
         standard_name :    longitude
         axis :    X

      double time ( time )
         units :    hours since 1-1-1 00:00:0.0
         long_name :    Time
         actual_range :    ( 17610576, 17619312 )
         delta_t :    0000-00-01 00:00:00
         avg_period :    0000-00-01 00:00:00
         standard_name :    time
         axis :    T

      short uwnd ( time, level, lat, lon )
         long_name :    mean Daily U-wind
         unpacked_valid_range :    ( -125, 160 )
         actual_range :    ( -107.08, 115 )
         units :    m/s
         add_offset :    202.66
         scale_factor :    0.01
         missing_value :    32766
         precision :    2
         least_significant_digit :    1
         GRIB_id :    33
         GRIB_name :    UGRD
         var_desc :    u-wind
         dataset :    NCEP Reanalysis Daily Averages
         level_desc :    Multiple levels
         statistic :    Mean
         parent_stat :    Individual Obs
         valid_range :    ( -32766, -4266 )
         _FillValue :    32766
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