- 积分
- 4508
- 贡献
-
- 精华
- 在线时间
- 小时
- 注册时间
- 2015-8-24
- 最后登录
- 1970-1-1
|
楼主 |
发表于 2015-11-17 20:08:30
|
显示全部楼层
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
a = addfile("/data1/home/WRF/WRFV3/test/em_real/wrfout_d01_2012-01-16_00:00:00.nc","r")
type = "ps"
wks = gsn_open_wks(type,"plt_PressureLevel3")
; Set some Basic Plot options
res = True
res@MainTitle = "REAL-TIME WRF"
res@Footer = False
pltres = True ;plot option
mpres = True ; map option
mpres@mpGeophysicalLineColor = "Black"
mpres@mpNationalLineColor = "Black"
mpres@mpUSStateLineColor = "Black"
mpres@mpGridLineColor = "Black"
mpres@mpLimbLineColor = "Black"
mpres@mpPerimLineColor = "Black"
mpres@mpGeophysicalLineThicknessF = 2.0
mpres@mpGridLineThicknessF = 2.0
mpres@mpLimbLineThicknessF = 2.0
mpres@mpNationalLineThicknessF = 2.0
mpres@mpUSStateLineThicknessF = 2.0
times = wrf_user_list_times(a) ; get all times in the file
ntimes = dimsizes(times) ; number of times in the file
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; First get the variables we will need
tc = wrf_user_getvar(a,"tc",-1) ; T in C
u = wrf_user_getvar(a,"ua",-1) ; u averaged to mass points
v = wrf_user_getvar(a,"va",-1) ; v averaged to mass points
p = wrf_user_getvar(a, "pressure",-1) ; pressure is our vertical coordinate
z = wrf_user_getvar(a, "z",-1) ; grid point height
rh = wrf_user_getvar(a,"rh",-1) ; relative humidity
; The specific pressure levels that we want the data interpolated to.
; Interpolate to these levels
pressure_levels = (/ 850., 700., 500., 300./) ; pressure levels to plot
nlevels = dimsizes(pressure_levels) ; number of pressure levels
tc_plane = wrf_user_intrp3d(tc,p,"h",pressure_levels,0.,False)
z_plane = wrf_user_intrp3d( z,p,"h",pressure_levels,0.,False)
rh_plane = wrf_user_intrp3d(rh,p,"h",pressure_levels,0.,False)
u_plane = wrf_user_intrp3d( u,p,"h",pressure_levels,0.,False)
v_plane = wrf_user_intrp3d( v,p,"h",pressure_levels,0.,False)
spd = (u_plane*u_plane + v_plane*v_plane)^(0.5) ; m/sec
spd@description = "Wind Speed"
spd@units = "m/s"
u_plane = u_plane*1.94386 ; kts
v_plane = v_plane*1.94386 ; kts
u_plane@units = "kts"
v_plane@units = "kts"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
do it = 0,ntimes-1,2 ; TIME LOOP
print("Working on time: " + times(it) )
res@TimeLabel = times(it) ; Set Valid time to use on plots
do level = 0,nlevels-1 ; LOOP OVER LEVELS
pressure = pressure_levels(level)
; Add some level info to the plot
res@PlotLevelID = pressure + " hPa"
; Plotting options for T
opts = res
opts@cnLineColor = "Red"
opts@ContourParameters = (/ 5.0 /)
opts@cnInfoLabelOrthogonalPosF = 0.07 ; offset second label information
opts@gsnContourLineThicknessesScale = 2.0
contour_tc = wrf_contour(a,wks,tc_plane(it,level,:,:),opts)
delete(opts)
; Plotting options for RH
opts = res
opts@cnFillOn = True
opts@pmLabelBarOrthogonalPosF = -0.1
opts@ContourParameters = (/ 10., 90., 10./)
opts@cnFillColors = (/"White","White","White", \
"White","Chartreuse","Green",\
"Green3","Green4", \
"ForestGreen","PaleGreen4"/)
contour_rh = wrf_contour(a,wks,rh_plane(it,level,:,:),opts)
delete(opts)
; Plotting options for Wind Speed
opts = res
opts@cnLineColor = "MediumSeaGreen"
opts@ContourParameters = (/ 10. /)
opts@cnInfoLabelOrthogonalPosF = 0.07 ; offset second label information
opts@gsnContourLineThicknessesScale = 3.0
contour_spd = wrf_contour(a,wks,spd(it,level,:,:),opts)
delete(opts)
; Plotting options for Wind Vectors
opts = res
opts@FieldTitle = "Wind" ; overwrite Field Title
opts@NumVectors = 47 ; wind barb density
vector = wrf_vector(a,wks,u_plane(it,level,:,:),v_plane(it,level,:,:),opts)
delete(opts)
; Plotting options for Geopotential Height
opts_z = res
opts_z@cnLineColor = "Blue"
opts_z@gsnContourLineThicknessesScale = 3.0
; MAKE PLOTS
if ( pressure .eq. 850 ) then ; plot temp, rh, height, wind barbs
opts_z@ContourParameters = (/ 20.0 /)
contour_height = wrf_contour(a,wks,z_plane(it,level,:,:),opts_z)
plot = wrf_map_overlays(a,wks,(/contour_rh,contour_tc,contour_height, \
vector/),pltres,mpres)
end if
if ( pressure .eq. 700 ) then ; plot temp, height, wind barbs
opts_z@ContourParameters = (/ 30.0 /)
contour_height = wrf_contour(a,wks, z_plane(it,level,:,:),opts_z)
plot = wrf_map_overlays(a,wks,(/contour_tc,contour_height, \
vector/),pltres,mpres)
end if
if ( pressure .eq. 500 ) then ; plot temp, height, wind barbs
opts_z@ContourParameters = (/ 60.0 /)
contour_height = wrf_contour(a,wks, z_plane(it,level,:,:),opts_z)
plot = wrf_map_overlays(a,wks,(/contour_tc,contour_height, \
vector/),pltres,mpres)
end if
if ( pressure .eq. 300 ) then ; plot windspeed, height, wind barbs
opts_z@ContourParameters = (/ 60.0 /)
contour_height = wrf_contour(a,wks, z_plane(it,level,:,:),opts_z)
plot = wrf_map_overlays(a,wks,(/contour_spd,contour_height, \
vector/),pltres,mpres)
end if
delete(opts_z)
end do ; END OF LEVEL LOOP
end do ; END OF TIME LOOP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
end
|
|