NARR data analysis

[Krishna Santhanam]

Hi all,
I am trying to write u and v wind component from NARR data into a file. The
text file that is written is having no value but "interpolation" . Could
anyone help me how to solve this issue.
By the way here is the grads script that i used
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function main()
'open narr-a_221_20010101_0000_000.ctl'
 cntt=1
 say "cntt ="cntt
 cntx=290
 while(cntx<=350)
 cnty=60
 while(cnty<=100)
 count=1
 count1=count+7
 while(count<=count1)
'set t 'count
'set x 'cntx
'set y 'cnty
'set z 1'
'd ugrd30m.'cntt
 dum1=sublin(result,1)
 x13=subwrd(dum1,4)
'd vgrd30m.'cntt
 dum1=sublin(result,1)
 x23=subwrd(dum1,4)
 variables2=x13'   'x23
 write(temp_30m.dat,variables2)
 count=count+1
 endwhile
 cnty=cnty+1
 endwhile
 cntx=cntx+1
 endwhile
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Thanks,
Krishna
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