[ncl-talk] Coordinate variables must be the same dimension as their dimension

[Amadou Coulibaly]

Dear NCL users,

I am getting some errors messages that I don't understand them. I am using
wind speed/direction from CFSR data to do a plot, but below are errors
occurring:

fatal:Coordinate variables must be the same dimension as their dimension
fatal:No coordinate variable exists for dimension (lat) in variable
(wind_dir)
fatal:["Execute.c":8578]:Execute: Error occurred at or near line 59 in file
monthly_lsb_test2.ncl

So I tried to print out lat/lon and u:
Variable: lon
Type: float
Total Size: 15840 bytes
            3960 values
Number of Dimensions: 1
Dimensions and sizes:    [lon | 3960]
Coordinates:
            lon: [-5.. 5]
Number Of Attributes: 4
  name :    lon
  long_name :    longitude
  units :    degree_east
  valid_range :    ( -5,  5 )

Variable: lat
Type: float
Total Size: 9120 bytes
            2280 values
Number of Dimensions: 1
Dimensions and sizes:    [lat | 2280]
Coordinates:
            lat: [8.8985..3.2784]
Number Of Attributes: 4
  name :    lat
  long_name :    latitude
  units :    degree_north
  valid_range :    ( 3.2784, 8.8985 )

Variable: u
Type: float
Total Size: 36636864 bytes
            9159216 values
Number of Dimensions: 3
Dimensions and sizes:    [time | 14608] x [lat | 19] x [lon | 33]
Coordinates:
            time: [ 1..87643]
            lat: [8.8985..3.2784]
            lon: [-5.. 5]
Number Of Attributes: 5
  standard_name :    eastward_wind
  product_description :    1-hour Forecast
  units :    m s-1
  level :    Specified height above ground - value: 10 m
  _FillValue :    3.4e+38

I realized that the dimension sizes of lat/lon are different in u. I have [lat
| 2280], [lon | 3960], but in u I have [time | 14608] x [lat | 19] x [lon |
33].

What is wrong with my code? Please find attached my script

Best

-- 
* COULIBALY   AMADOU   *
PhD  Student  on  West  African  Climate  System (WACS)
FUTA - Federal  University  of  Technology of Akure, Nigeria

*Visiting Student - *
*University of Cologne, Germany**Institute of Geophysics and Meteorology*
Pohligstr. 3 / Office 3.102
D-50969 Köln

*Project*: WASCAL (West African Science Service Centre on Climate Change
and Adapted Land Use)
Phone:(+234) 812 965 3659 /(+223) 90 08 26 71 /(+226) 64 57 37 27 /+49
15218352574

E-mail: mpapin24 at gmail.com / coulibalya68 at yahoo.com

"*The time is always right to do right": Nelson Mandela*

*"Character is like a tree and reputation like a shadow.  The shadow is
what we think of it; the tree is the real thing" : Abraham Lincoln*

*"Do what you can, with what you have, where you are" Theodore Roosevelt*
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