[gradsusr] Plot wind vector and magnitude

[Bedassa Regassa]

Hello, I try to write the following script to plot wind vector and
magnitude. But, I can't see the wind magnitude. I like a comment on my
script here is attached
 'reinit'
'set display color white'
'c'
'set grid off'
'set grads off'
'sdfopen v850.nc'
'sdfopen u850.nc'
'set mpdset hires'
'set lat -40 40'
'set lon -180 180'
'set t 1 3'
'set gxout shaded'
'd mag(v850.1,u850.2)'
'set gxout vector'
'd v850.1;u850.2'

Thank you.

Sincerely,

Bedassa
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