Hello,
I'd like to draw geopotential height at 850 hPa for WRF-Chem output via NCL.
I have variables as below.
PH(Time, bottom_top_stag, south_north, west_east): perturbation geopotential [m2 s-2]
PHB(Time, bottom_top_stag, south_north, west_east): base-state geopotential [m2 s-2]
P(Time...