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MetReader_Grids.f90
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!##############################################################################
!
! MR_Set_Met_NCEPGeoGrid
!
! This subroutine reads the variable and dimension IDs, fills the
! coordinate dimension variables, and calculates xLL_meso, xUR_meso,
! yLL_meso, and yUR_meso.
!
! Allocated the dummy arrays for storing met data on met and computational
! grids: dum2d_met(nx_submet,ny_submet)
! dum3d_metP(nx_submet,ny_submet,np_fullmet)
! dum3d_metH(nx_submet,ny_submet,nz_comp)
! dum2d_comp(nx_comp,ny_comp)
! dum3d_compH(nx_comp,ny_comp,nz_comp)
!
! Note: NCEP grids described here:
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html
!
!##############################################################################
subroutine MR_Set_Met_NCEPGeoGrid(igrid)
use MetReader, only : &
MR_nio,VB,outlog,errlog,verbosity_error,verbosity_production,&
IsLatLon_MetGrid,IsGlobal_MetGrid,IsRegular_MetGrid,IsGridRelative,&
Met_iprojflag,Met_lam0,Met_phi0,Met_phi1,Met_phi2,Met_k0,Met_Re,&
MR_iversion,MR_Reannalysis,Met_gridtype,Met_proj4
implicit none
integer,intent(in) :: igrid
integer :: io ! Index for output streams
do io=1,MR_nio;if(VB(io).le.verbosity_production)then
write(outlog(io),*)"-----------------------------------------------------------------------"
write(outlog(io),*)"---------- MR_Set_Met_NCEPGeoGrid ----------"
write(outlog(io),*)igrid
write(outlog(io),*)"-----------------------------------------------------------------------"
endif;enddo
if(igrid.eq.1227)then
! CONUS 3.0-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID218
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 38.5.;
! LambertConformal_Projection:longitude_of_central_meridian = 265.;
! LambertConformal_Projection:standard_parallel = 38.5 ;
! LambertConformal_Projection:earth_radius = 6371229. ;
! proj +proj=lcc +lon_0=262.5 +lat_0=38.5 +lat_1=38.5 +lat_2=38.5 +R=6371.229
! invproj +proj=lcc +lon_0=262.5 +lat_0=38.5 +lat_1=38.5 +lat_2=38.5 +R=6371.229 -f '%.8f'
! 226.541 12.190
! -4226.108 -832.6978
! 310.615 57.290
! 3246.974 4372.859
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 262.5 38.5 38.5 38.5 6371.229 #Proj flags and params
! -JL262.5/38.5/38.5/38.5/12c
Met_proj4 = "proj +proj=lcc +lon_0=262.5 +lat_0=38.5 +lat_1=38.5 +lat_2=38.5 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = 262.5_8
Met_phi0 = 38.5_8
Met_phi1 = 38.5_8
Met_phi2 = 38.5_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.1221)then
! NAM 32-km Lambert Conformal used by NARR (used Met_Re=6367.470, not 6371.229)
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID221
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 50. ;
! LambertConformal_Projection:longitude_of_central_meridian = 253. ;
! LambertConformal_Projection:standard_parallel = 50. ;
! Reported NARR Reanal Lambert_Conformal:GRIB_param_grid_radius_spherical_earth = 6367.47 ;
! proj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6367.47
! invproj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6367.47 -f '%.8f'
! 214.50 1.0
! -5629.34 -4609.85
! 357.43 46.352
! 5661.26 4344.51
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6367.47 : earth radius for spherical earth
! 0 4 -107.0 50.0 50.0 50.0 6367.47 #Proj flags and params
! -JL-107/50/50/50/12c
Met_proj4 = "proj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6367.47"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .false.
MR_Reannalysis = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = -107.0_8
Met_phi0 = 50.0_8
Met_phi1 = 50.0_8
Met_phi2 = 50.0_8
Met_k0 = 0.933_8
Met_Re = 6367.470_8
elseif(igrid.eq.1050)then
! Not an NCEP grid
! This grid is for the WRF runs (must be read from file)
Met_proj4 = "LL"
IsLatLon_MetGrid = .true. ! this might be reset
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1041)then
! Not an NCEP grid
! This grid is for the NASA Np
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1040.or.igrid.eq.1024)then
! Not an NCEP grid
! This grid is for the NASA GEOS-5 Cp or MERRA-2
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1033)then
! Not an NCEP grid
! This grid is for the CAM files
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1032)then
! Not an NCEP grid
! This grid is for the AFWA files
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1030)then
! Not an NCEP grid
! This grid is for the ECMWF ERA-20c
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .false.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1029)then
! Not an NCEP grid
! This grid is for the ECMWF ERA5
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .false.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.1027)then
! Not an NCEP grid
! This grid is for the NOAA Reanalysis
Met_proj4 = "LL"
if(MR_iversion.eq.2)then
!v2
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(MR_iversion.eq.3)then
!v3
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .false.
IsGridRelative = .true.
Met_gridtype = "GLL0"
endif
elseif(igrid.eq.2)then
! Used by NCEP DOE reanalysis, NCEP-1
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/grids/grid002.gif
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.3)then
! Used by GFS forecast
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID3
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/grids/grid003.gif
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.4)then
! Used by GFS forecast
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/grids/grid003.gif
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.45)then
! Used by JMA 55
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID45
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/grids/grid045.gif
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.91)then
! NAM 3-km Polar Stereographic
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID91
! 1822145-point (1649x1105) N. Hemisphere Polar Stereographic grid
! oriented 150W;
! Polar_Stereographic:grid_mapping_name = "polar_stereographic" ;
! Polar_Stereographic:longitude_of_projection_origin = 210. ;
! Polar_Stereographic:straight_vertical_longitude_from_pole = 210.;
! Polar_Stereographic:scale_factor_at_projection_origin = 0.933 ;
! Polar_Stereographic:latitude_of_projection_origin = 90. ;
! Polar_Stereographic:earth_shape = "Earth spherical with radius of 6371229.0 m" ;
! Polar_Stereographic:GRIB_param_Dx = 2976.0 ;
! Polar_Stereographic:GRIB_param_Dy = 2976.0 ;
! Polar_Stereographic:GRIB_param_GDSkey = -1633822368 ;
! Polar_Stereographic:GRIB_param_La1 = 40.53 ;
! Polar_Stereographic:GRIB_param_LaD = 60. ;
! Polar_Stereographic:GRIB_param_Lo1 = 181.42899 ;
! Polar_Stereographic:GRIB_param_LoV = 210. ;
! Polar_Stereographic:GRIB_param_NpProj = "true" ;
! Polar_Stereographic:GRIB_param_Nx = 1649 ;
! Polar_Stereographic:GRIB_param_Ny = 1105 ;
! Polar_Stereographic:GRIB_param_ProjFlag = 0 ;
! Polar_Stereographic:GRIB_param_Quasi = "false" ;
! Polar_Stereographic:GRIB_param_ResCompFlag = 8 ;
! Polar_Stereographic:GRIB_param_VectorComponentFlag = "gridRelative" ;
! Polar_Stereographic:GRIB_param_Winds = "Relative" ;
! Polar_Stereographic:GRIB_param_grid_name = "Polar_Stereographic" ;
! Polar_Stereographic:GRIB_param_grid_radius_spherical_earth = 6371229. ;
! Polar_Stereographic:GRIB_param_grid_shape = "Earth spherical with radius of 6371229.0 m" ;
! Polar_Stereographic:GRIB_param_grid_shape_code = 6 ;
! Polar_Stereographic:GRIB_param_grid_type = 20 ;
! Polar_Stereographic:GRIB_param_grid_units = "m" ;
! proj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229
! invproj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229 -f '%.8f'
! 181.42899 40.5301
! -2619.36159134661 -4810.03724324973
! 266.3082 63.9757
! 2285.91081099714 -1523.98097371848
!
! latlonflag = 0 : projected grid
! projflag = 1 : polar stereographic projection
! lam0 = -150.0 : longitude of projection point
! phi0 = 90.0 : latitude of projection point
! k0 = 0.933 : scale factor at projection point
! radius = 6371.229 : earth radius for spherical earth
! 0 1 -150.0 90.0 0.933 6371.229 #Proj flags and params
! -JS-150/90/12c
Met_proj4 = "proj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GST0"
Met_iprojflag = 1
Met_lam0 = -150.0_8
Met_phi0 = 90.0_8
Met_phi1 = 90.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.104)then
! NAM 90-km Polar Stereographic
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID104
! 16170-point (147x110) N. Hemisphere Polar Stereographic grid oriented
! 105W; pole at (75.5,109.5). (NGM Super C grid)
! 90.75464 km at 60N
! PolarStereographic_Projection:grid_mapping_name = "stereographic" ;
! PolarStereographic_Projection:longitude_of_projection_origin = 255. ;
! PolarStereographic_Projection:latitude_of_projection_origin = 90. ;
! PolarStereographic_Projection:scale_factor_at_projection_origin = 0.933012701892219 ;
! PolarStereographic_Projection:earth_radius = 6371229. ;
! proj +proj=stere +lon_0=255 +lat_0=90 +k_0=0.933 +R=6371.229
! invproj +proj=stere +lon_0=255 +lat_0=90 +k_0=0.933 +R=6371.229 -f '%.8f'
!
! -6761.21 -9846.821
!
! 6489.02 45.47379
!
! latlonflag = 0 : projected grid
! projflag = 1 : polar stereographic projection
! lam0 = -105.0 : longitude of projection point
! phi0 = 90.0 : latitude of projection point
! k0 = 0.933 : scale factor at projection point
! radius = 6371.229 : earth radius for spherical earth
! 0 1 -105.0 90.0 0.933 6371.229 #Proj flags and params
! -JS-105/90/12c
Met_proj4 = "proj +proj=stere +lon_0=255 +lat_0=90 +k_0=0.933 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GST0"
Met_iprojflag = 1
Met_lam0 = -105.0_8
Met_phi0 = 90.0_8
Met_phi1 = 90.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.170)then
! Global Gaussian Lat/Lon T170
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID170
! This is used by the ERA-Itrm data
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .false.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.181)then
! Caribbean
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID181
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.182)then
! HI N.Pacific
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID182
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.193)then
! Used by GFS forecast (0.25)
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID193
Met_proj4 = "LL"
IsLatLon_MetGrid = .true.
IsGlobal_MetGrid = .true.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLL0"
elseif(igrid.eq.196)then
! HI 2.5-km Mercator
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID196
! 72225-point (321x225) Mercator
! Mercator:grid_mapping_name = "mercator" ;
! Mercator:standard_parallel = 20. ;
! Mercator:longitude_of_projection_origin = 198.475006103516 ;
! Mercator:earth_shape = "Earth spherical with radius of 6371229.0 m" ;
! Mercator:GRIB_param_BasicAngle = 0 ;
! Mercator:GRIB_param_Dx = 2500. ;
! Mercator:GRIB_param_Dy = 2500. ;
! Mercator:GRIB_param_GDSkey = -1286480248 ;
! Mercator:GRIB_param_La1 = 18.073 ;
! Mercator:GRIB_param_La2 = 23.088 ;
! Mercator:GRIB_param_LaD = 20. ;
! Mercator:GRIB_param_Lo1 = 198.475 ;
! Mercator:GRIB_param_Lo2 = 206.13101 ;
! Mercator:GRIB_param_Nx = 321 ;
! Mercator:GRIB_param_Ny = 225 ;
! Mercator:GRIB_param_Quasi = "false" ;
! Mercator:GRIB_param_ResCompFlag = 56 ;
! Mercator:GRIB_param_VectorComponentFlag = "gridRelative" ;
! Mercator:GRIB_param_Winds = "Relative" ;
! Mercator:GRIB_param_grid_name = "Mercator" ;
! Mercator:GRIB_param_grid_radius_spherical_earth = 6371229. ;
! Mercator:GRIB_param_grid_shape = "Earth spherical with radius of 6371229.0 m" ;
! Mercator:GRIB_param_grid_shape_code = 6 ;
! Mercator:GRIB_param_grid_type = 10 ;
! Mercator:GRIB_param_grid_units = "m" ;
! proj +proj=merc +lat_ts=20.0 +lon_0=198.475 +R=6371.229
! invproj +proj=merc +lat_ts=20.0 +lon_0=198.475 +R=6371.229 -f '%.8f'
! 198.475 18.073
! 0.00 1920.62
! 206.131 23.088
! 800.00 2480.60
! 0 5 198.475 20.0 0.933 6371.229 #Proj flags and params
! -JM198.475/20.0/12c
Met_proj4 = "proj +proj=merc +lat_ts=20.0 +lon_0=198.475 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GME0"
Met_iprojflag = 5
Met_lam0 = 198.475_8
Met_phi0 = 20.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.198)then
! NAM 6-km Polar Stereographic
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID198
! 456225-point (825x553) N. Hemisphere Polar Stereographic grid
! oriented 150W;
! Polar_Stereographic:grid_mapping_name = "polar_stereographic" ;
! Polar_Stereographic:longitude_of_projection_origin = 210. ;
! Polar_Stereographic:straight_vertical_longitude_from_pole = 210.;
! Polar_Stereographic:scale_factor_at_projection_origin = 0.933 ;
! Polar_Stereographic:latitude_of_projection_origin = 90. ;
! Polar_Stereographic:earth_shape = "Earth spherical with radius of 6371229.0 m" ;
! Polar_Stereographic:GRIB_param_Dx = 5953.0005 ;
! Polar_Stereographic:GRIB_param_Dy = 5953.0005 ;
! Polar_Stereographic:GRIB_param_GDSkey = -1633822368 ;
! Polar_Stereographic:GRIB_param_La1 = 40.53 ;
! Polar_Stereographic:GRIB_param_LaD = 60. ;
! Polar_Stereographic:GRIB_param_Lo1 = 181.42899 ;
! Polar_Stereographic:GRIB_param_LoV = 210. ;
! Polar_Stereographic:GRIB_param_NpProj = "true" ;
! Polar_Stereographic:GRIB_param_Nx = 825 ;
! Polar_Stereographic:GRIB_param_Ny = 553 ;
! Polar_Stereographic:GRIB_param_ProjFlag = 0 ;
! Polar_Stereographic:GRIB_param_Quasi = "false" ;
! Polar_Stereographic:GRIB_param_ResCompFlag = 8 ;
! Polar_Stereographic:GRIB_param_VectorComponentFlag = "gridRelative" ;
! Polar_Stereographic:GRIB_param_Winds = "Relative" ;
! Polar_Stereographic:GRIB_param_grid_name = "Polar_Stereographic" ;
! Polar_Stereographic:GRIB_param_grid_radius_spherical_earth = 6371229. ;
! Polar_Stereographic:GRIB_param_grid_shape = "Earth spherical with radius of 6371229.0 m" ;
! Polar_Stereographic:GRIB_param_grid_shape_code = 6 ;
! Polar_Stereographic:GRIB_param_grid_type = 20 ;
! Polar_Stereographic:GRIB_param_grid_units = "m" ;
! proj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229
! invproj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229 -f '%.8f'
! 181.42899 40.5301
! -2619.36159134661 -4810.03724324973
! 266.3082 63.9757
! 2285.91081099714 -1523.98097371848
!
! latlonflag = 0 : projected grid
! projflag = 1 : polar stereographic projection
! lam0 = -150.0 : longitude of projection point
! phi0 = 90.0 : latitude of projection point
! k0 = 0.933 : scale factor at projection point
! radius = 6371.229 : earth radius for spherical earth
! 0 1 -150.0 90.0 0.933 6371.229 #Proj flags and params
! -JS-150/90/12c
Met_proj4 = "proj +proj=stere +lon_0=210 +lat_0=90 +k_0=0.933 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GST0"
Met_iprojflag = 1
Met_lam0 = -150.0_8
Met_phi0 = 90.0_8
Met_phi1 = 90.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.212)then
! CONUS 40-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID212
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 25.;
! LambertConformal_Projection:longitude_of_central_meridian = 265.;
! LambertConformal_Projection:standard_parallel = 25. ;
! LambertConformal_Projection:earth_radius = 6371229. ;
! proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229
! invproj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229 -f '%.8f'
! 226.541 12.190
! -4226.108 -832.6978
! 310.615 57.290
! 3250.731 4368.582
!
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 265.0 25.0 25.0 25.0 6371.229 #Proj flags and params
! -JL265/25/25/25/12c
Met_proj4 = "proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = 265.0_8
Met_phi0 = 25.0_8
Met_phi1 = 25.0_8
Met_phi2 = 25.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.215)then
! CONUS 20-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID215
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 25.;
! LambertConformal_Projection:longitude_of_central_meridian = 265.;
! LambertConformal_Projection:standard_parallel = 25. ;
! LambertConformal_Projection:earth_radius = 6371229. ;
! proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229
! invproj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229 -f '%.8f'
! 226.541 12.190
! -4226.108 -832.6978
! 310.615 57.290
! 3250.916 4368.71
!
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 265.0 25.0 25.0 25.0 6371.229 #Proj flags and params
! -JL265/25/25/25/12c
Met_proj4 = "proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = 265.0_8
Met_phi0 = 25.0_8
Met_phi1 = 25.0_8
Met_phi2 = 25.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.216)then
! NAM 45-km Polar Stereographic
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID216
! PolarStereographic_Projection:grid_mapping_name = "stereographic" ;
! PolarStereographic_Projection:longitude_of_projection_origin = 225. ;
! PolarStereographic_Projection:latitude_of_projection_origin = 90. ;
! PolarStereographic_Projection:scale_factor_at_projection_origin = 0.933012701892219 ;
! PolarStereographic_Projection:earth_radius = 6371229. ;
! proj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229
! invproj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229 -f '%.8f'
! 187.0 30.0
! -4225.928 -5408.941
! 297.15 70.111
! 1984.072 -638.9415
!
! latlonflag = 0 : projected grid
! projflag = 1 : polar stereographic projection
! lam0 = -135.0 : longitude of projection point
! phi0 = 90.0 : latitude of projection point
! k0 = 0.933 : scale factor at projection point
! radius = 6371.229 : earth radius for spherical earth
! 0 1 -135.0 90.0 0.933 6371.229 #Proj flags and params
! -JS-135/90/12c
Met_proj4 = "proj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GST0"
Met_iprojflag = 1
Met_lam0 = -135.0_8
Met_phi0 = 90.0_8
Met_phi1 = 90.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.218)then
! CONUS 12-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID218
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 25.;
! LambertConformal_Projection:longitude_of_central_meridian = 265.;
! LambertConformal_Projection:standard_parallel = 25. ;
! LambertConformal_Projection:earth_radius = 6371229. ;
! proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229
! invproj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229 -f '%.8f'
! 226.541 12.190
! -4226.108 -832.6978
! 310.615 57.290
! 3246.974 4372.859
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 265.0 25.0 25.0 25.0 6371.229 #Proj flags and params
! -JL-107/50/50/50/12c
Met_proj4 = "proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = 265.0_8
Met_phi0 = 25.0_8
Met_phi1 = 25.0_8
Met_phi2 = 25.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.221)then
! NAM 32-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID221
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 50. ;
! LambertConformal_Projection:longitude_of_central_meridian = 253. ;
! LambertConformal_Projection:standard_parallel = 50. ;
! NCEP FC LambertConformal_Projection:earth_radius = 6371229. ;
! Note: the NARR grid should use 1221
! proj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6371.229
! invproj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6371.229 -f '%.8f'
! 214.50 1.0
! -5632.668 -4612.566
! 357.43 46.352
! 5664.457 4347.222
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 -107.0 50.0 50.0 50.0 6371.229 #Proj flags and params
! -JL-107/50/50/50/12c
Met_proj4 = "proj +proj=lcc +lon_0=-107.0 +lat_0=50.0 +lat_1=50.0 +lat_2=50.0 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = -107.0_8
Met_phi0 = 50.0_8
Met_phi1 = 50.0_8
Met_phi2 = 50.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
!
elseif(igrid.eq.227)then
! CONUS 5.079-km Lambert Conformal
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID218
! LambertConformal_Projection:grid_mapping_name = "lambert_conformal_conic" ;
! LambertConformal_Projection:latitude_of_projection_origin = 25.0.;
! LambertConformal_Projection:longitude_of_central_meridian = 265.;
! LambertConformal_Projection:standard_parallel = 25.0 ;
! LambertConformal_Projection:earth_radius = 6371229. ;
! proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229
! invproj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229 -f '%.8f'
! 226.541 12.190
! -4226.11 -832.70
! 310.615 57.290
! 3250.81 4368.72
! latlonflag = 0 : projected grid
! projflag = 4 : Lambert conformal conic
! lam0 = 265.0 : longitude of projection point
! phi0 = 25.0 : latitude of projection point
! phi1 = 25.0 : latitude of cone intersection 1
! phi2 = 25.0 : latitude of cone intersection 2
! radius = 6371.229 : earth radius for spherical earth
! 0 4 265.0 25.0 25.0 25.0 6371.229 #Proj flags and params
! -JL265/25/25/25/12c
Met_proj4 = "proj +proj=lcc +lon_0=265.0 +lat_0=25.0 +lat_1=25.0 +lat_2=25.0 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GLC0"
Met_iprojflag = 4
Met_lam0 = 265.0_8
Met_phi0 = 25.0_8
Met_phi1 = 25.0_8
Met_phi2 = 25.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
elseif(igrid.eq.242)then
! NAM 11.25-km Polar Stereographic
! http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID242
! PolarStereographic_Projection:grid_mapping_name = "stereographic" ;
! PolarStereographic_Projection:longitude_of_projection_origin = 225. ;
! PolarStereographic_Projection:latitude_of_projection_origin = 90. ;
! PolarStereographic_Projection:scale_factor_at_projection_origin = 0.933012701892219 ;
! PolarStereographic_Projection:earth_radius = 6371229. ;
! proj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229
! invproj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229 -f '%.8f'
! 187.0 30.0
! -4225.928 -5408.941
! 297.15 70.111
! 1984.072 -638.9415
!
! latlonflag = 0 : projected grid
! projflag = 1 : polar stereographic projection
! lam0 = -135.0 : longitude of projection point
! phi0 = 90.0 : latitude of projection point
! k0 = 0.933 : scale factor at projection point
! radius = 6371.229 : earth radius for spherical earth
! 0 1 -135.0 90.0 0.933 6371.229 #Proj flags and params
! -JS-135/90/12c
Met_proj4 = "proj +proj=stere +lon_0=225 +lat_0=90 +k_0=0.933 +R=6371.229"
IsLatLon_MetGrid = .false.
IsGlobal_MetGrid = .false.
IsRegular_MetGrid = .true.
IsGridRelative = .true.
Met_gridtype = "GST0"
Met_iprojflag = 1
Met_lam0 = -135.0_8
Met_phi0 = 90.0_8
Met_phi1 = 90.0_8
Met_k0 = 0.933_8
Met_Re = 6371.229_8
else
do io=1,MR_nio;if(VB(io).le.verbosity_error)then
write(errlog(io),*)"MR ERROR: MR_Set_Met_NCEPGeoGrid called with invalid code."
endif;enddo
stop 1
endif
do io=1,MR_nio;if(VB(io).le.verbosity_production)then
write(outlog(io),*)"-----------------------------------------------------------------------"
endif;enddo
end subroutine MR_Set_Met_NCEPGeoGrid
!##############################################################################
!
! MR_Set_MetComp_Grids
!
! This subroutine evaluates the full NWP grid for the subgrid needed.
! If the NWP projection and the computational grid projection differ,
! then the mapping from each computational grid point onto the NWP grid
! is calculated through MR_Set_Comp2Met_Map.
!
! Sets:
! n[t,x,y,p]_met :: sets the size of the dimensions of the sub-met grid
! [x,y,p]_met_sp :: arrays holding dimension values of the sub-met grid
! MR_dum2d_met(nx_submet,ny_submet)
! MR_dum3d_metP(nx_submet,ny_submet,np_fullmet)
! MR_dum3d_metH(nx_submet,ny_submet,nz_comp)
! MR_dum2d_comp(nx_comp,ny_comp)
! MR_dum3d_compP(nx_comp,ny_comp,np_fullmet)
! MR_dum3d_compH(nx_comp,ny_comp,nz_comp)
! CompPoint_on_subMet_idx
! bilin_map_wgt
! CompPoint_X_on_Met_sp
! CompPoint_Y_on_Met_sp
!
!##############################################################################
subroutine MR_Set_MetComp_Grids
use MetReader, only : &
MR_nio,VB,outlog,errlog,verbosity_error,verbosity_info,verbosity_production,&
CompPoint_X_on_Met_sp,CompPoint_Y_on_Met_sp,x_comp_sp,x_submet_sp,nx_submet,&
MR_dx_submet,y_submet_sp,ny_submet,MR_dy_submet,MR_u_ER_metP,theta_Met,&
MR_dum2d_met_int,MR_dum2d_met,MR_dum3d_metP,MR_dum3d2_metP,MR_dum3d_metH,&
MR_dum2d_comp_int,MR_dum2d_comp,MR_dum3d_compP,MR_dum3d_compH,&
MR_geoH_metP_last,MR_geoH_metP_next,ilhalf_fm_l,ilhalf_nx,irhalf_fm_l,irhalf_nx,&
istart,jstart,MR_v_ER_metP,MR_dum3d_compH_2,MR_dum3d_compP_2,theta_Comp,&
x_fullmet_sp,y_fullmet_sp,MR_dx_met,MR_sigma_nz_submet,&
MR_dy_met,y_comp_sp,iend,ilhalf_fm_r,IsGlobal_MetGrid,&
Comp_iprojflag,Comp_lam0,Comp_phi0,Comp_phi1,Comp_phi2,Comp_k0,Comp_Re,&
IsGridRelative,bilin_map_wgt,CompPoint_on_subMet_idx,y_pad_South,y_pad_North,&
y_inverted,wrapgrid,UseFullMetGrid,ny_fullmet,ny_comp,nx_comp,nx_fullmet,&
irhalf_fm_r,IsLatLon_MetGrid,IsPeriodic_CompGrid,jend,Map_Case,&
Met_iprojflag,Met_lam0,Met_phi0,Met_phi1,Met_phi2,Met_k0,Met_Re,&
MR_useCompH,MR_useCompP,np_fullmet,nz_comp
use projection, only : &
PJ_Set_Proj_Params,&
PJ_proj_for,&
PJ_proj_inv
implicit none
integer, parameter :: sp = 4 ! single precision
integer, parameter :: dp = 8 ! double precision
integer :: i, j
integer :: ii,jj
integer :: isubmet, jsubmet
real(kind=sp) :: xLL,yLL
real(kind=sp) :: xUR,yUR
real(kind=dp) :: ptlon,ptlat,xin,yin
real(kind=dp) :: de_x,de_y,dn_x,dn_y,dw_x,dw_y,ds_x,ds_y,ddeg
real(kind=dp) :: ate,atw,atn,ats
real(kind=sp) :: xc,xfrac,yc,yfrac,px,py
real(kind=sp) :: x_start_sub,y_start_sub
real(kind=dp) :: xout,yout
logical :: cond1, cond2, cond3
integer :: nx_tmp
integer :: io ! Index for output streams
INTERFACE
subroutine MR_Set_Comp2Met_Map
end subroutine MR_Set_Comp2Met_Map
END INTERFACE
do io=1,MR_nio;if(VB(io).le.verbosity_production)then
write(outlog(io),*)"-----------------------------------------------------------------------"
write(outlog(io),*)"---------- MR_Set_MetComp_Grids ----------"
write(outlog(io),*)"-----------------------------------------------------------------------"
endif;enddo
call MR_Set_Comp2Met_Map
! Now calculate the indices of the subgrid containing the
! computational grid. Note, the subgrid of the wind file
! will be much coarser than the computational grid
if(Map_Case.eq.1.or. & ! Both Comp Grid and Met grids are Lat/Lon
Map_Case.eq.2)then ! Both Comp Grid and Met grids are the same projection
xLL = x_comp_sp(1)
yLL = y_comp_sp(1)
xUR = x_comp_sp(nx_comp)
yUR = y_comp_sp(ny_comp)
else
do io=1,MR_nio;if(VB(io).le.verbosity_info)then
write(outlog(io),*)"Met and comp grids differ:"
write(outlog(io),2504)
write(outlog(io),2505)x_comp_sp(1),&
y_comp_sp(1),&
CompPoint_X_on_Met_sp(1,1),&
CompPoint_Y_on_Met_sp(1,1)
write(outlog(io),2505)x_comp_sp(nx_comp),&
y_comp_sp(1),&
CompPoint_X_on_Met_sp(nx_comp,1),&
CompPoint_Y_on_Met_sp(nx_comp,1)
write(outlog(io),2505)x_comp_sp(nx_comp),&
y_comp_sp(ny_comp),&
CompPoint_X_on_Met_sp(nx_comp,ny_comp),&
CompPoint_Y_on_Met_sp(nx_comp,ny_comp)
write(outlog(io),2505)x_comp_sp(1),&
y_comp_sp(ny_comp),&
CompPoint_X_on_Met_sp(1,ny_comp),&
CompPoint_Y_on_Met_sp(1,ny_comp)
write(outlog(io),*)" "
endif;enddo
! This the branch for when Met and Comp grids differ
xLL = minval(CompPoint_X_on_Met_sp(:,:))
yLL = minval(CompPoint_Y_on_Met_sp(:,:))
xUR = maxval(CompPoint_X_on_Met_sp(:,:))
yUR = maxval(CompPoint_Y_on_Met_sp(:,:))
2504 format(8x,'Comp grid corner',28x,'Met grid corner')
2505 format(4x,'(',f10.4,',',f10.4,')',8x,'--->',8x,'(',f10.4,',',f10.4,')')
endif
if(IsLatLon_MetGrid)then
if(xLL.gt.x_fullmet_sp(nx_fullmet).and.x_fullmet_sp(nx_fullmet).le.180.0_sp)then
! If the comp grid starts in the western hemisphere (xLL>180) and if
! the global Met grid only extends to 180, then shift the comp grid
! into the domain of the met grid
xLL=xLL-360.0_sp ! This should only be true western hemisphere (xLL>180)
xUR=xUR-360.0_sp ! cases using MERRA
x_comp_sp = x_comp_sp-360.0_sp
endif
endif
do io=1,MR_nio;if(VB(io).le.verbosity_info)then
write(outlog(io),*)"Region of Met grid required by comp grid (in Met coordinates):"
write(outlog(io),2501)
write(outlog(io),2502)xLL,yUR,xUR,yUR
write(outlog(io),2503)
write(outlog(io),2503)
write(outlog(io),2502)xLL,yLL,xUR,yLL
write(outlog(io),2501)
endif;enddo
2501 format(4x,'----------------------------------------------------------------------')
2502 format(4x,'| (',f10.4,',',f10.4,')',20x,'(',f10.4,',',f10.4,') |')
2503 format(4x,'| |')
if(IsPeriodic_CompGrid)then
! If the domain is periodic, use the whole x-range of the wind file
! including a periodic mapping at either end
nx_submet = nx_fullmet
istart = 1
iend = nx_fullmet
do io=1,MR_nio;if(VB(io).le.verbosity_info)then
write(outlog(io),*) "Computational domain is periodic"
endif;enddo
else
if(x_fullmet_sp(1).le.xLL)then
! Make sure the start of the comp grid is not below the domain of the
! met files
istart = 1
do i = 1,nx_fullmet
! For the start index, we assign the lower node of the interval
! Note: cond1 is not satisfied when xLL.eq.x_fullmet_sp(1) so we
! must initialize istart to 1
cond1 = x_fullmet_sp(i ).lt.xLL
cond2 = x_fullmet_sp(i+1).ge.xLL
if(cond1.and.cond2) istart = i