[ncl-talk] mean sea level pressure plot

[giorgia.verri at cmcc.it]

Dear ncl,
find enclosed a latlo nmap of 500hPa geopotential height and isolines of
mean sea level pressure. I used "gsn_csm_contour" to plot isobars but I
have 2 problems:
1) isolines show noise
2) I selected minlevel, maxlevel and levelspacing in the ncl script but
those in the picture are different.
I also attached the ncl script I wrote for plotting
Thanks
Cheers
Giorgia




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