1 subroutine da_setup_firstguess_wrf(xbx, grid, config_flags)
3 !---------------------------------------------------------------------------
4 ! Purpose: Define/allocate components of WRF model state.
5 !---------------------------------------------------------------------------
9 type (xbx_type), intent(out) :: xbx ! Header & non-gridded vars.
11 type (domain), intent(inout) :: grid
12 type(grid_config_rec_type), intent(in) :: config_flags
14 integer :: map_util_project
15 real :: x, y, lat_cen, lon_cen
19 character(len=24) :: xb_date, an_date
20 integer :: len, seconds, i_grid, j_grid, m_expand
23 if (trace_use) call da_trace_entry("da_setup_firstguess_wrf")
25 !-----------------------------------------------------------------------
26 ! [0.0] check the xb_date for 3DVAR
27 !-----------------------------------------------------------------------
29 if ( num_fgat_time == 1 ) then
30 write(unit=xb_date,fmt='(i4.4,2("-",i2.2),"_",i2.2,2(":",i2.2),".0000")') &
31 grid%start_year, grid%start_month, grid%start_day, &
32 grid%start_hour, grid%start_minute,grid%start_second
34 len = len_trim(ANALYSIS_DATE)
36 write(unit=an_date(1:len), fmt='(a)') trim(ANALYSIS_DATE)
38 seconds = int(da_diff_seconds(an_date, xb_date))
40 if (seconds > ANALYSIS_ACCU) then
41 write(unit=message(1),fmt='(A,A,A,A)') &
42 "xb_date=",xb_date," an_date=", an_date
43 write(unit=message(2),fmt='(A,I6,A,I6)') &
44 "diff=",seconds," ANALYSIS_ACCU=",ANALYSIS_ACCU
45 message(3)="=======> Wrong xb time found???"
46 call da_warning(__FILE__,__LINE__,message(1:3))
50 !------------------------------------------------------------------------
51 ! [1.0] Read original WRF format first guess:
52 !------------------------------------------------------------------------
54 !------------------------------------------------------------------------
55 ! [2.0] Copy header info:
56 !------------------------------------------------------------------------
58 if ((grid%xp%its == grid%xp%ids) .and. (grid%xp%jts == grid%xp%jds)) then
59 buf(1) = grid%xlat(grid%xp%its, grid%xp%jts)
60 buf(2) = grid%xlong(grid%xp%its, grid%xp%jts)
63 call wrf_dm_bcast_real(buf, 2)
67 !------------------------------------------------------------------------
69 !------------------------------------------------------------------------
71 call nl_get_map_proj (grid%id , grid%map_proj)
72 call nl_get_truelat1 (grid%id , grid%truelat1)
73 call nl_get_truelat2 (grid%id , grid%truelat2)
74 call nl_get_dx (grid%id , grid%dx)
75 call nl_get_cen_lat (grid%id , grid%cen_lat)
76 call nl_get_cen_lon (grid%id , grid%cen_lon)
77 call nl_get_moad_cen_lat (grid%id , grid%moad_cen_lat)
78 call nl_get_stand_lon (grid%id , grid%stand_lon)
80 phic = grid%moad_cen_lat
81 xlonc = grid%stand_lon
83 truelat1_3dv = grid%truelat1
84 truelat2_3dv = grid%truelat2
88 map_util_project = grid%map_proj
90 if (print_detail_map) then
91 write(unit=stdout, fmt='(a, i6)') &
92 'map_proj =', grid%map_proj
94 write(unit=stdout, fmt='(a, e16.6)') &
95 'cen_lat =', grid%cen_lat, &
96 'cen_lon =', grid%cen_lon, &
97 'truelat1 =', grid%truelat1, &
98 'truelat2 =', grid%truelat2, &
99 'start_lat =', start_lat, &
100 'start_lon =', start_lon, &
104 ! Set map projection in WRFSI world.
105 map_util_project = PROJ_LC
107 if (grid%map_proj == 0 .or. grid%map_proj == 6 ) then
108 map_util_project = PROJ_LATLON
109 else if (grid%map_proj == 1) then
110 map_util_project = PROJ_LC
111 else if (grid%map_proj == 2) then
112 map_util_project = PROJ_PS
113 else if (grid%map_proj == 3) then
114 map_util_project = PROJ_MERC
117 call da_map_set(map_util_project,grid%cen_lat,grid%cen_lon, &
118 real(grid%xp%ide-grid%xp%ids+2)/2.0, real(grid%xp%jde-grid%xp%jds+2)/2.0, &
119 grid%dx,grid%stand_lon,grid%truelat1,grid%truelat2,grid%truelat1,grid%stand_lon,map_info)
121 ! Need to set map projection in WRF world.
122 map_projection = grid%map_proj
124 cone_factor = map_info%cone
126 if (.not. global .and. print_detail_map) then
128 !----------------------------------------------------------------------
129 ! Check the ll_to_ij:
130 !----------------------------------------------------------------------
132 message(1)="Check the map_set correctness::::::::::::::::::::::::"
135 call da_llxy_wrf(map_info, grid%cen_lat, grid%cen_lon, start_x, start_y)
136 write(unit=message(2),fmt='("Center: latc,lonc,x,y, Xc, Yc:",6f10.3)') &
137 grid%cen_lat, grid%cen_lon, start_x, start_y, &
138 real(grid%xp%ide-grid%xp%ids+2)/2.0, real(grid%xp%jde-grid%xp%jds+2)/2.0
140 start_x = real(grid%xp%ide-grid%xp%ids+2)/2.0
141 start_y = real(grid%xp%jde-grid%xp%jds+2)/2.0
144 call da_xyll(map_info, start_x, start_y, lat_cen, lon_cen)
145 write(unit=message(3), &
146 fmt='("Center: X, Y, latc, lonc, phic, xlonc:",6f10.3)') &
147 start_x, start_y, lat_cen, lon_cen, &
148 grid%cen_lat, grid%cen_lon
149 call da_message(message(1:3))
152 ! Setup the domain definition for use of the GRAPH:
154 coarse_ds = 0.001 * grid%dx
155 coarse_ix = grid%e_we - grid%s_we + 1
156 coarse_jy = grid%e_sn - grid%s_sn + 1
160 if( fg_format==fg_format_kma_global) then
161 delt_lat = 180.0/real(grid%e_sn - grid%s_sn - 1)
162 delt_lon = 360.0/real(grid%e_we - grid%s_we)
163 else if( fg_format==fg_format_wrf_arw_global) then
164 delt_lat = 180.0/real(grid%e_sn - grid%s_sn)
165 delt_lon = 360.0/real(grid%e_we - grid%s_we)
167 call da_set_map_para ! set up the map background parameters
170 !--------------------------------------------------------------------------
171 ! [3.0] Interpolate WRF C-grid winds to p points of WRFVAR grid (interpolate
172 ! u to west, v to south?
173 !---------------------------------------------------------------------------
175 grid%xb % mix = grid%xp%ide - grid%xp%ids + 1
176 grid%xb % mjy = grid%xp%jde - grid% xp%jds + 1
177 grid%xb % mkz = grid%xp%kde - grid%xp%kds + 1
179 grid%xb % ds = 0.001 * grid%dx
185 call da_transfer_wrftoxb(xbx, grid, config_flags)
187 if (trace_use) call da_trace_exit("da_setup_firstguess_wrf")
189 end subroutine da_setup_firstguess_wrf