[gradsusr] Error in using skew.gs

[Amulya Chevuturi]

Dear GrADS users,

I have recently tried to use the skew.gs script to plot Skew-T/Log-P graphs
for my WRF (ARW) output. I use ARWPost as my post processing software. This
is the problem that is cropping up.

ga-> skew.gs
No hardcopy metafile open
All files closed; all defined objects released;
All GrADS attributes have been reinitialized
Initial Time is 00Z08JAN2007
Create gif images as well (1=yes ; 0=no)
0
Please enter coordinated for sounding

Latitude values between: 4.96654 and 50.0419
Enter Latitude
33

Longitude values between: 48.3967 and 105.603
Enter Longitude
78

Overlay two time periods 1=yes ; 0=no
0

Please enter time to plot
Available times: 1 to 17
5
Drawing temperature sounding.
Drawing dewpoint sounding.
Non-numeric args to numeric operation
  Error occurred on line 2427
  In file skew.gs
  Error occurred on line 1106
  In file skew.gs
  Error occurred on line 69
  In file skew.gs

Though I think it is plotting the temperature and dewpoint. The rest of the
parameters in the line 69 is not being plotted due to some errors in
parameters. I am attaching my ctl file and skew.gs. Please let me know how
to correct the problem.

Thanking you in advance.

With regards,
Amulya Chevuturi
Junior Research Fellow (Ph.D. Student)
Jawaharlal Nehru University
New Delhi, India
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