Dear Respected Dennis and Mary, thank you very much for your help, however,
now there is another problem which is given below. Kindly could you give me
more clues about it? The code and its printVarSummary is given below.
Thanks again
***********************************
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
;
begin
;
a = addfile("wrfout_00.nc","r")
t = 0
n = (/32,73/) ; lat index values of the points you want
m = (/52,105/) ; lon
w = wrf_user_getvar(a,"W",-1) ; relative humidity
p = wrf_user_getvar(a, "pressure",-1)
x = w(t,:,n,m)
y = p(t,:,n,m)
printVarSummary(x)
printVarSummary(y)
;exit
;************************************
wks = gsn_open_wks("x11","plt")
resxy = True ; plot mods desired
resxy@gsnXRefLine = 0.0 ; draw ref line
resxy@trYReverse = True ; reverse Y-axis
resxy@xyLineThicknesses = 2
resxy@xyLineColors = (/"blue"/) ; change line colors
resxy@trYMinF = 0.0
resxy@trYMaxF = 1000.0
resxy@pmLegendDisplayMode = "Always" ; turn on legend
resxy@trXMinF = -10
resxy@trXMaxF = 10
resxy@pmLegendSide = "Top" ; Change location of
resxy@pmLegendParallelPosF = .65 ; move units right
resxy@pmLegendOrthogonalPosF = -0.75 ; move units down
resxy@lgPerimOn = False
resxy@pmLegendWidthF = 0.12 ; Change width and
resxy@pmLegendHeightF = 0.12 ; height of legend.
resxy@lgLabelFontHeightF = .015 ; change font height
plt = gsn_csm_xy (wks,x,y, resxy)
end
Variable: x
Type: float
Total Size: 640 bytes
160 values
Number of Dimensions: 3
Dimensions and sizes: [bottom_top_stag |27] x [south_north | 2] x
[west_east | 2]
Coordinates:
Number Of Attributes: 6
FieldType : 104
MemoryOrder : XYZ
description : z-wind component
units : m s-1
stagger : Z
coordinates : XLONG XLAT
Variable: y
Type: float
Total Size: 624 bytes
156 values
Number of Dimensions: 3
Dimensions and sizes: [bottom_top | 27 x [south_north | 2] x [west_east |
2]
Coordinates:
Number Of Attributes: 6
FieldType : 104
MemoryOrder : XYZ
description : Pressure
units : hPa
stagger :
coordinates : XLONG XLAT
fatal: Number of subscripts do not match number of dimensions of
variable,(2) Subscripts used, (3) Subscripts expected
fatal:Execute: Error occurred at or near line 4047 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl
fatal:Execute: Error occurred at or near line 41 in file rh.ncl
On Thu, Aug 4, 2011 at 5:17 AM, Mary Haley <haley@ucar.edu> wrote:
> Further info: you can use wrf_user_ll_to_ij to get the ij indexes of the
> lat/lon values you want.
>
> http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_ll_to_ij.shtml
>
> --Mary
>
> On Aug 3, 2011, at 12:05 PM, Dennis Shea wrote:
>
> > You already have the vertical velocity (w, not omega).
> > At each grid point, you have or can calculate the pressure levels
> > (bottom_top_stag) ... call it
> p(Time,bottom_top_stag,south_north,west_east)
> >
> > You can not use the {...} syntax because the grid is curvilinear and not
> > rectilinear, You must use standard indexing.
> >
> > t = 5
> > n = (/32, 73/) ; lat index values of the points you want
> > m = (/52, 105/) ; lon
> >
> > x = w(t,:,n,m)
> > p = p(t,:,n,m)
> >
> > plt = gsn_csm_xy (wks,x,p,resxy)
> >
> >
> > On 8/3/11 11:06 AM, wei huang wrote:
> >> Hi, could anyone give me some help to modifying the code (omega_1.ncl
> >> <http://www.ncl.ucar.edu/Applications/Scripts/omega_1.ncl>) for using
> >> the WRF output. I’m interested to plot the vertical profile like this
> >> omega plot. The wrf variable print is as follows:
> >> thanks and regards
> >>
> >> Variable: w
> >>
> >> Type: float
> >>
> >> Total Size: 130572000 bytes
> >>
> >> 32643000 values
> >>
> >> Number of Dimensions: 4
> >>
> >> Dimensions and sizes:[Time | 48] x [bottom_top_stag | 27] x [south_north
> >> | 100] x [west_east | 80]
> >>
> >> Coordinates:
> >>
> >> Number Of Attributes: 6
> >>
> >> coordinates : XLONG XLAT
> >>
> >> stagger :Z
> >>
> >> units :m s-1
> >>
> >> description : z-wind component
> >>
> >> MemoryOrder : XYZ
> >>
> >> FieldType :104
> >>
> >>
> >>
> >> _______________________________________________
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Received on Thu Aug 4 04:44:30 2011
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