; Example script to produce plots for a WRF real-data run, ; with the ARW coordinate dynamics option. ; Plot data on a cross section ; This script will plot data at a set angle through a specified point ; This script adds lon/lat info along X-axis 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/wrf/WRFUserARW.ncl" begin ; ; The WRF ARW input file. ; This needs to have a ".nc" appended, so just do it. a = addfile("/simulation_data/Days4/ktm/wrfout_d03_2013-02-15_00:00:00.nc","r") ; We generate plots, but what kind do we prefer? ; type = "x11" type = "pdf" ; type = "ps" ; type = "ncgm" wks = gsn_open_wks(type,"/root/Desktop/cross-section/cros_sec_plot") ; Set some basic resources res = True res@MainTitle = "REAL-TIME WRF" res@Footer = False pltres = True ter_res = True opts_ter = ter_res opts_ter@gsnYRefLine = 0.0 opts_ter@gsnAboveYRefLineColor = "black" opts_ter@gsnDraw = False opts_ter@gsnFrame = False ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; FirstTime = True FirstTimeMap = True times = wrf_user_getvar(a,"times",-1) ; get times in the file ntimes = dimsizes(times) ; number of times in the file mdims = getfilevardimsizes(a,"P") ; get some dimension sizes for the file nd = dimsizes(mdims) xlat = wrf_user_getvar(a, "XLAT",0) xlon = wrf_user_getvar(a, "XLONG",0) ter = wrf_user_getvar(a, "HGT",0) ;--------------------------------------------------------------- do it = 18,20 ;ntimes-1,2 ; TIME LOOP print("Working on time: " + times(it) ) res@TimeLabel = times(it) ; Set Valid time to use on plots ; tc = wrf_user_getvar(a,"tc",it) ; T in C th = wrf_user_getvar(a,"th",it) ; potential temp in C rh = wrf_user_getvar(a,"rh",it) ; relative humidity z = wrf_user_getvar(a, "z",it) ; grid point height p = wrf_user_getvar(a, "pressure",it) ;pressure hpa ;-----for wind information--------------------------------------------- u = wrf_user_getvar(a,"ua",it) v = wrf_user_getvar(a,"va",it) w = wrf_user_getvar(a,"wa",it) ;------------------------------------------------------------------------ if ( FirstTime ) then ; get height info for labels zmin = 0. zmax = 6. ; We are only interested in the first 6km nz = floattoint(zmax + 1) end if opts_ter@trYMaxF = zmax*1000 ;--------------------------------------------------------------- ; do ip = 1, 3 ; we are doing 3 plots ; all with the pivot point (plane) in the center of the domain ; at angles 0, 45 and 90 ; ; | ; angle=0 is | ; | ; plane = new(2,float) plane = (/ mdims(nd-1)/2, mdims(nd-2)/2 /) ; pivot point is center of domain (x,y) opts = False ; if(ip .eq. 1) then ; angle = 90. ; X_plane = wrf_user_intrp2d(xlon,plane,angle,opts) ; X_desc = "longitude" ; end if ; if(ip .eq. 2) theni angle = 0. X_plane = wrf_user_intrp2d(xlat,plane,angle,opts) X_desc = "latitude" ; end if ; if(ip .eq. 3) then ; angle = 45. ; X_plane = wrf_user_intrp2d(xlon,plane,angle,opts) ; X_desc = "longitude" ; end if rh_plane = wrf_user_intrp3d(rh,z,"v",plane,angle,opts) ;; tc_plane = wrf_user_intrp3d(tc,z,"v",plane,angle,opts) ;temp-. deg Celsius tc_plane = wrf_user_intrp3d(th,p,"v",plane,angle,opts) ;potential temp in pressure coordinate ter_plane = wrf_user_intrp2d(ter,plane,angle,opts) ; print("Max terrain height in plot " + max(ter_plane)) ;----------------------------------------------------------- u_plane = wrf_user_intrp3d(u,p,"v",plane,0.,opts) v_plane = wrf_user_intrp3d(v,p,"v",plane,0.,opts) w_plane = wrf_user_intrp3d(w,p,"v",plane,0.,opts) ;---------------------------------------------------------------- rh_plane2 = rh_plane tc_plane2 = tc_plane cross_dims = dimsizes(rh_plane2) rank = dimsizes(cross_dims) iz_do = 25 do iz = 0,24 iz_do = iz_do-1 do ix = 0,cross_dims(rank-1)-1 if ( ismissing(rh_plane2(iz_do,ix)) ) then rh_plane2(iz_do,ix) = rh_plane2(iz_do+1,ix) end if if ( ismissing(tc_plane2(iz_do,ix)) ) then tc_plane2(iz_do,ix) = tc_plane2(iz_do+1,ix) end if end do end do ;----------------------------------------------------- u_plane = u_plane*1.94386 ; kts conversion v_plane = v_plane*1.94386 ; kts conversion w_plane = w_plane*1.94386 u_plane@units = "kts" v_plane@units = "kts" w_plane@units = "kts" ;---------------------------------------------------------------- ; Find the index where 6km is - only need to do this once if ( FirstTime ) then zz = wrf_user_intrp3d(z,z,"v",plane,angle,opts) b = ind(zz(:,0) .gt. zmax*1000. ) ; print(b) zmax_pos = b(0) - 1 print(zmax_pos) if ( abs(zz(zmax_pos,0)-zmax*1000.) .lt. abs(zz(zmax_pos+1,0)-zmax*1000.) ) then zspan = b(0) - 1 else zspan = b(0) end if delete(zz) delete(b) FirstTime = False end if ;----------------------------------------------------------------- ; X-axis lables dimsX = dimsizes(X_plane) xmin = X_plane(0) xmax = X_plane(dimsX(0)-1) xspan = dimsX(0)-1 ; nx = floattoint( (xmax-xmin)/2 + 1) ;----------------------------------------------------------------- ; Options for XY Plots opts_xy = res opts_xy@tiXAxisString = X_desc opts_xy@tiYAxisString = "Height (km)" opts_xy@cnMissingValPerimOn = True opts_xy@cnMissingValFillColor = 0 opts_xy@cnMissingValFillPattern = 11 opts_xy@tmXTOn = False opts_xy@tmYROn = False opts_xy@tmXBMode = "Explicit" opts_xy@tmXBValues = fspan(0,xspan,5);nx) ; Create tick marks opts_xy@tmXBLabels = sprintf("%.1f",fspan(xmin,xmax,5)) ; Create labels opts_xy@tmXBLabelFontHeightF = 0.015 opts_xy@tmYLMode = "Explicit" opts_xy@tmYLValues = fspan(0,zspan,nz) ; Create tick marks opts_xy@tmYLLabels = sprintf("%.1f",fspan(zmin,zmax,nz)) ; Create labels opts_xy@tiXAxisFontHeightF = 0.020 opts_xy@tiYAxisFontHeightF = 0.020 opts_xy@tmXBMajorLengthF = 0.02 opts_xy@tmYLMajorLengthF = 0.02 opts_xy@tmYLLabelFontHeightF = 0.015 opts_xy@PlotOrientation = tc_plane@Orientation ; Plotting options for RH opts_rh = opts_xy opts_rh@ContourParameters = (/10., 90., 10. /) opts_rh@pmLabelBarOrthogonalPosF = -0.1 opts_rh@cnFillOn = True opts_rh@cnFillColors = (/"White","White","White", \ "White","Chartreuse","Green", \ "Green3","Green4", \ "ForestGreen","PaleGreen4","yellowgreen"/) ; Plotting options for Potential Temperature opts_th = opts_xy opts_th@cnInfoLabelZone = 1 opts_th@cnInfoLabelSide = "Top" opts_th@cnInfoLabelPerimOn = True opts_th@cnInfoLabelOrthogonalPosF = -0.00005 opts_th@cnLineColor="Blue" opts_th@ContourParameters = (/1./) ;Contour terrain cross section contour_ter = gsn_csm_xy(wks,X_plane,ter_plane,opts_ter) ;---------------------------------------------------------------------------- ; Vertical Velocity w_plane = 100.*w_plane opts_w = res opts_w@vcGlyphStyle="CurlyVector" ;opts_w@FieldTitle = w@description opts_w@UnitLabel = "m/3" ;opts_w@PlotLevelID = 0.001*height + " km" ;opts_w@cnFillOn = True opts_w@gsnSpreadColorEnd = -3 ;; contour_w = wrf_contour(a,wks, w_plane,opts_w) ;Plotting options for Wind Vectors opts_w = res opts_w@FieldTitle = "Wind" ; Overwrite Field Title opts_w@NumVectors = 30 ; Wind barb density ;-------------------------------------------------------------------------- ; Get the contour info for the rh and temp contour_tc = wrf_contour(a,wks,tc_plane(0:zmax_pos,:),opts_th) contour_rh = wrf_contour(a,wks,rh_plane(0:zmax_pos,:),opts_rh) contour_tc2 = wrf_contour(a,wks,tc_plane2(0:zmax_pos,:),opts_th) contour_rh2 = wrf_contour(a,wks,rh_plane2(0:zmax_pos,:),opts_rh) vector = wrf_vector(a,wks,u_plane(0:zmax_pos,:),w_plane(0:zmax_pos,:),opts_w);added ;--------------------------------------------------------------- ; MAKE PLOTS if (FirstTimeMap) then lat_plane = wrf_user_intrp2d(xlat,plane,angle,opts) lon_plane = wrf_user_intrp2d(xlon,plane,angle,opts) mpres = True pltres = True pltres@FramePlot = False optsM = res optsM@NoHeaderFooter = True optsM@cnFillOn = True optsM@lbTitleOn = False contour = wrf_contour(a,wks,ter,optsM) plot = wrf_map_overlays(a,wks,(/contour/),pltres,mpres) lnres = True lnres@gsLineThicknessF = 3.0 lnres@gsLineColor = "Red" do ii = 0,dimsX(0)-2 gsn_polyline(wks,plot,(/lon_plane(ii),lon_plane(ii+1)/),(/lat_plane(ii),lat_plane(ii+1)/),lnres) end do frame(wks) delete(lon_plane) delete(lat_plane) pltres@FramePlot = True end if ; plot = wrf_overlays(a,wks,(/contour_rh,contour_tc/),pltres) ; plot x-section ; plot = wrf_overlays(a,wks,(/contour_rh,contour_tc,contour_ter/),pltres) ; plot x-section plot = wrf_overlays(a,wks,(/contour_rh2,contour_tc2,contour_ter,vector/),pltres) ; plot x-section;vector field is also added ; Delete options and fields, so we don't have carry over delete(opts_xy) delete(opts_th) delete(opts_rh) delete(tc_plane) delete(rh_plane) delete(tc_plane2) delete(rh_plane2) delete(X_plane) delete(ter_plane) ; end do ; make next cross section ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; FirstTimeMap = False end do ; END OF TIME LOOP end