[ncl-talk] Save in netcdf

Soma Roy somaroy892 at gmail.com
Tue Jul 17 04:22:37 MDT 2018


I am trying to save the variable ZMT in NetCDF file following the
instructions at the below-mentioned link;

http://www.ncl.ucar.edu/Applications/method_2.shtml

Summary of the dataset is as follows;

Variable: lat
Type: float
Total Size: 244 bytes
            61 values
Number of Dimensions: 1
Dimensions and sizes:   [latitude | 61]
Coordinates:
            latitude: [ 5..20]
Number Of Attributes: 2
  units :       degrees_north
  long_name :   latitude

Variable: lon
Type: float
Total Size: 324 bytes
            81 values
Number of Dimensions: 1
Dimensions and sizes:   [longitude | 81]
Coordinates:
            longitude: [70..90]
Number Of Attributes: 2
  units :       degrees_east
  long_name :   longitude

Variable: time
Type: integer
Total Size: 16 bytes
            4 values
Number of Dimensions: 1
Dimensions and sizes:   [time | 4]
Coordinates:
            time: [1025088..1025160]
Number Of Attributes: 3
  units :       hours since 1900-01-01 00:00:0.0
  long_name :   time
  calendar :    gregorian


Variable: pnew
Type: integer
Total Size: 112 bytes
            28 values
Number of Dimensions: 1
Dimensions and sizes:   [level | 28]
Coordinates:
            level: [70..1000]
Number Of Attributes: 2
  units :       Pa
  long_name :   pressure_level
(0)     7000
(1)     10000
(2)     12500
(3)     15000
..........
(26)    97500
(27)    100000

Variable: ZMT
Type: float
Total Size: 2213568 bytes
            553392 values
Number of Dimensions: 4
Dimensions and sizes:   [time | 4] x [level | 28] x [latitude | 61] x
[longitude | 81]
Coordinates:
            time: [1025088..1025160]
            level: [70..1000]
            latitude: [ 5..20]
            longitude: [70..90]
Number Of Attributes: 3
  units :       (m/s)(kg/kg)
  long_name :   zonal moisture transport
  _FillValue :  -32767

At run-time, I am getting the following error message;

fatal:Could not create (example.nc)
warning:FileSetFileOption: invalid file or format
fatal:["Execute.c":8640]:Execute: Error occurred at or near line 65 in file
TEST1.ncl

My script is attached below.

Please kindly inform me what is wrong with this code and how to fix it.

Thanking you,
Soma
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