Plotting exponent of a variable in GrADS

Annes Hassankunju AHassankunju at FLAGSTONERE.BM
Tue Mar 25 09:39:54 EDT 2008

Dear GrADS users,


I would like to create a shaded image of a variable which is defined as:


factor = Ln(U1/U2), where Ln is the natural logarithm. I tried the
script below which does not work:


'define u=UGRD10m'

'define v=VGRD10m'

'define U1=sqrt(u*u+v*v)'

'define U2=FRICVsfc'


'define factor = math_exp(U1*0.4/U2)'




Any help will be much appreciated.






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