[gradsusr] Moisture Flux Climatology

[mehwish ramzan]

Dear GrADS Users,

I want to calculate moisture flux climatology from 1971-2010 using
NCEP/NCAR data, using GrADS script but getting error. Although for single
variable it works fine but as moisture flux includes specific
humidity(g/kg), zonal wind(m/s) and meridional wind (m/s) so i am having
trouble in handling three variables at same time in one file.
 The details of script and error message are attached.

Can  anyone please solve this problem?

Thank you

With Best Regards,
Mehwish
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