! Create an initial data set for the WRF model based on real data. This
! program is specifically set up for the Eulerian, mass-based coordinate.
PROGRAM tc_data,41
USE module_machine
USE module_domain, ONLY : domain, alloc_and_configure_domain, &
domain_clock_set, head_grid, program_name, domain_clockprint, &
set_current_grid_ptr
USE module_io_domain
USE module_initialize_real, ONLY : wrfu_initialize
USE module_driver_constants
USE module_configure, ONLY : grid_config_rec_type, model_config_rec, &
initial_config, get_config_as_buffer, set_config_as_buffer
USE module_timing
USE module_state_description, ONLY: tconly
#ifdef DM_PARALLEL
USE module_dm, ONLY: wrf_dm_initialize
#endif
#ifdef NO_LEAP_CALENDAR
USE module_symbols_util, ONLY: wrfu_cal_noleap
#else
USE module_symbols_util, ONLY: wrfu_cal_gregorian
#endif
USE module_utility, ONLY : WRFU_finalize
IMPLICIT NONE
REAL :: time , bdyfrq
INTEGER :: loop , levels_to_process , debug_level
TYPE(domain) , POINTER :: null_domain
TYPE(domain) , POINTER :: grid , another_grid
TYPE(domain) , POINTER :: grid_ptr , grid_ptr2
TYPE (grid_config_rec_type) :: config_flags
INTEGER :: number_at_same_level
INTEGER :: max_dom, domain_id , grid_id , parent_id , parent_id1 , id
INTEGER :: e_we , e_sn , i_parent_start , j_parent_start
INTEGER :: idum1, idum2
#ifdef DM_PARALLEL
INTEGER :: nbytes
INTEGER, PARAMETER :: configbuflen = 4* CONFIG_BUF_LEN
INTEGER :: configbuf( configbuflen )
LOGICAL , EXTERNAL :: wrf_dm_on_monitor
#endif
LOGICAL found_the_id
INTEGER :: ids , ide , jds , jde , kds , kde
INTEGER :: ims , ime , jms , jme , kms , kme
INTEGER :: ips , ipe , jps , jpe , kps , kpe
INTEGER :: ijds , ijde , spec_bdy_width
INTEGER :: i , j , k , idts, rc
INTEGER :: sibling_count , parent_id_hold , dom_loop
CHARACTER (LEN=80) :: message
INTEGER :: start_year , start_month , start_day , start_hour , start_minute , start_second
INTEGER :: end_year , end_month , end_day , end_hour , end_minute , end_second
INTEGER :: interval_seconds , real_data_init_type
INTEGER :: time_loop_max , time_loop, bogus_id, storm
real::t1,t2
real :: latc_loc(max_bogus),lonc_loc(max_bogus),vmax(max_bogus),rmax(max_bogus)
real :: rankine_lid
INTERFACE
SUBROUTINE Setup_Timekeeping( grid )
USE module_domain, ONLY : domain
TYPE(domain), POINTER :: grid
END SUBROUTINE Setup_Timekeeping
END INTERFACE
#include "version_decl"
! Define the name of this program (program_name defined in module_domain)
program_name = "TC_EM " // TRIM(release_version) // " PREPROCESSOR"
! The TC bogus algorithm assumes that the user defines a central point, and then
! allows the program to remove a typhoon based on a distance in km. This is
! implemented on a single processor only.
#ifdef DM_PARALLEL
IF ( .NOT. wrf_dm_on_monitor() ) THEN
CALL wrf_error_fatal( 'TC bogus must run with a single processor only, re-run with num procs set to 1' )
END IF
#endif
#ifdef DM_PARALLEL
CALL disable_quilting
#endif
! Initialize the modules used by the WRF system. Many of the CALLs made from the
! init_modules routine are NO-OPs. Typical initializations are: the size of a
! REAL, setting the file handles to a pre-use value, defining moisture and
! chemistry indices, etc.
CALL wrf_debug ( 100 , 'real_em: calling init_modules ' )
CALL init_modules(1) ! Phase 1 returns after MPI_INIT() (if it is called)
#ifdef NO_LEAP_CALENDAR
CALL WRFU_Initialize( defaultCalKind=WRFU_CAL_NOLEAP, rc=rc )
#else
CALL WRFU_Initialize( defaultCalKind=WRFU_CAL_GREGORIAN, rc=rc )
#endif
CALL init_modules(2) ! Phase 2 resumes after MPI_INIT() (if it is called)
! The configuration switches mostly come from the NAMELIST input.
#ifdef DM_PARALLEL
IF ( wrf_dm_on_monitor() ) THEN
CALL initial_config
END IF
CALL get_config_as_buffer( configbuf, configbuflen, nbytes )
CALL wrf_dm_bcast_bytes( configbuf, nbytes )
CALL set_config_as_buffer( configbuf, configbuflen )
CALL wrf_dm_initialize
#else
CALL initial_config
#endif
CALL nl_get_debug_level ( 1, debug_level )
CALL set_wrf_debug_level ( debug_level )
CALL wrf_message ( program_name )
! There are variables in the Registry that are only required for the real
! program, fields that come from the WPS package. We define the run-time
! flag that says to allocate space for these input-from-WPS-only arrays.
CALL nl_set_use_wps_input ( 1 , TCONLY )
! Allocate the space for the mother of all domains.
NULLIFY( null_domain )
CALL wrf_debug ( 100 , 'real_em: calling alloc_and_configure_domain ' )
CALL alloc_and_configure_domain ( domain_id = 1 , &
grid = head_grid , &
parent = null_domain , &
kid = -1 )
grid => head_grid
CALL nl_get_max_dom ( 1 , max_dom )
IF ( model_config_rec%interval_seconds .LE. 0 ) THEN
CALL wrf_error_fatal( 'namelist value for interval_seconds must be > 0')
END IF
all_domains : DO domain_id = 1 , max_dom
IF ( ( model_config_rec%input_from_file(domain_id) ) .OR. &
( domain_id .EQ. 1 ) ) THEN
CALL Setup_Timekeeping ( grid )
CALL set_current_grid_ptr( grid )
CALL domain_clockprint ( 150, grid, &
'DEBUG real: clock after Setup_Timekeeping,' )
CALL domain_clock_set( grid, &
time_step_seconds=model_config_rec%interval_seconds )
CALL domain_clockprint ( 150, grid, &
'DEBUG real: clock after timeStep set,' )
CALL wrf_debug ( 100 , 'tc_em: calling set_scalar_indices_from_config ' )
CALL set_scalar_indices_from_config ( grid%id , idum1, idum2 )
!This is goofy but we need to loop through the number of storms to get
!the namelist variables for the tc_bogus. But then we need to
!call model_to_grid_config_rec with the grid%id = to 1 in order to
!reset to the correct information.
CALL wrf_debug ( 100 , 'tc_em: calling model_to_grid_config_rec ' )
lonc_loc(:) = -999.
latc_loc(:) = -999.
vmax(:) = -999.
rmax(:) = -999.
CALL model_to_grid_config_rec ( grid%id , model_config_rec , config_flags )
lonc_loc(1) = config_flags%lonc_loc
latc_loc(1) = config_flags%latc_loc
vmax(1) = config_flags%vmax_meters_per_second
rmax(1) = config_flags%rmax
rankine_lid = config_flags%rankine_lid
do storm = 2,config_flags%num_storm
bogus_id = storm
CALL model_to_grid_config_rec ( bogus_id , model_config_rec , config_flags )
lonc_loc(storm) = config_flags%lonc_loc
latc_loc(storm) = config_flags%latc_loc
vmax(storm) = config_flags%vmax_meters_per_second
rmax(storm) = config_flags%rmax
! print *,"in loop ",storm,lonc_loc(storm),latc_loc(storm),vmax(storm),rmax(storm)
end do
CALL model_to_grid_config_rec ( grid%id , model_config_rec , config_flags )
! Initialize the WRF IO: open files, init file handles, etc.
CALL wrf_debug ( 100 , 'tc_em: calling init_wrfio' )
CALL init_wrfio
! Some of the configuration values may have been modified from the initial READ
! of the NAMELIST, so we re-broadcast the configuration records.
#ifdef DM_PARALLEL
CALL wrf_debug ( 100 , 'tc_em: re-broadcast the configuration records' )
CALL get_config_as_buffer( configbuf, configbuflen, nbytes )
CALL wrf_dm_bcast_bytes( configbuf, nbytes )
CALL set_config_as_buffer( configbuf, configbuflen )
#endif
! No looping in this layer.
CALL wrf_debug ( 100 , 'calling tc_med_sidata_input' )
CALL tc_med_sidata_input ( grid , config_flags, latc_loc, lonc_loc, &
vmax,rmax,rankine_lid)
CALL wrf_debug ( 100 , 'backfrom tc_med_sidata_input' )
ELSE
CYCLE all_domains
END IF
END DO all_domains
CALL set_current_grid_ptr( head_grid )
! We are done.
CALL wrf_debug ( 0 , 'tc_em: SUCCESS COMPLETE TC BOGUS' )
CALL wrf_shutdown
CALL WRFU_Finalize( rc=rc )
END PROGRAM tc_data
!-----------------------------------------------------------------
SUBROUTINE tc_med_sidata_input ( grid , config_flags, latc_loc, lonc_loc, & 1,26
vmax, rmax,rankine_lid)
! Driver layer
USE module_domain
USE module_io_domain
! Model layer
USE module_configure
USE module_bc_time_utilities
USE module_optional_input
USE module_date_time
USE module_utility
IMPLICIT NONE
! Interface
INTERFACE
SUBROUTINE start_domain ( grid , allowed_to_read ) ! comes from module_start in appropriate dyn_ directory
USE module_domain
TYPE (domain) grid
LOGICAL, INTENT(IN) :: allowed_to_read
END SUBROUTINE start_domain
END INTERFACE
! Arguments
TYPE(domain) :: grid
TYPE (grid_config_rec_type) :: config_flags
! Local
INTEGER :: time_step_begin_restart
INTEGER :: idsi , ierr , myproc, internal_time_loop,iflag
! Declarations for the netcdf routines.
INTEGER ::nf_inq
!
CHARACTER (LEN=80) :: si_inpname
CHARACTER (LEN=80) :: message
CHARACTER(LEN=19) :: start_date_char , end_date_char , current_date_char , next_date_char
CHARACTER(LEN=8) :: flag_name
INTEGER :: time_loop_max , loop, rc,icnt,itmp
INTEGER :: julyr , julday ,metndims, metnvars, metngatts, nunlimdimid,rcode
REAL :: gmt
real :: t1,t2,t3,t4
real :: latc_loc(max_bogus), lonc_loc(max_bogus)
real :: vmax(max_bogus),rmax(max_bogus),rankine_lid
grid%input_from_file = .true.
grid%input_from_file = .false.
CALL tc_compute_si_start ( model_config_rec%start_year (grid%id) , &
model_config_rec%start_month (grid%id) , &
model_config_rec%start_day (grid%id) , &
model_config_rec%start_hour (grid%id) , &
model_config_rec%start_minute(grid%id) , &
model_config_rec%start_second(grid%id) , &
model_config_rec%interval_seconds , &
model_config_rec%real_data_init_type , &
start_date_char)
end_date_char = start_date_char
IF ( end_date_char .LT. start_date_char ) THEN
CALL wrf_error_fatal( 'Ending date in namelist ' // end_date_char // ' prior to beginning date ' // start_date_char )
END IF
print *,"the start date char ",start_date_char
print *,"the end date char ",end_date_char
time_loop_max = 1
! Override stop time with value computed above.
CALL domain_clock_set( grid, stop_timestr=end_date_char )
! TBH: for now, turn off stop time and let it run data-driven
CALL WRFU_ClockStopTimeDisable( grid%domain_clock, rc=rc )
CALL wrf_check_error( WRFU_SUCCESS, rc, &
'WRFU_ClockStopTimeDisable(grid%domain_clock) FAILED', &
__FILE__ , &
__LINE__ )
CALL domain_clockprint ( 150, grid, &
'DEBUG med_sidata_input: clock after stopTime set,' )
! Here we define the initial time to process, for later use by the code.
current_date_char = start_date_char
start_date = start_date_char // '.0000'
current_date = start_date
CALL nl_set_bdyfrq ( grid%id , REAL(model_config_rec%interval_seconds) )
CALL cpu_time ( t1 )
DO loop = 1 , time_loop_max
internal_time_loop = loop
IF ( ( grid%id .GT. 1 ) .AND. ( loop .GT. 1 ) .AND. &
( model_config_rec%grid_fdda(grid%id) .EQ. 0 ) .AND. &
( model_config_rec%sst_update .EQ. 0 ) ) EXIT
print *,' '
print *,'-----------------------------------------------------------------------------'
print *,' '
print '(A,I2,A,A,A,I4,A,I4)' , &
' Domain ',grid%id,': Current date being processed: ',current_date, ', which is loop #',loop,' out of ',time_loop_max
! After current_date has been set, fill in the julgmt stuff.
CALL geth_julgmt ( config_flags%julyr , config_flags%julday , config_flags%gmt )
print *,'configflags%julyr, %julday, %gmt:',config_flags%julyr, config_flags%julday, config_flags%gmt
! Now that the specific Julian info is available, save these in the model config record.
CALL nl_set_gmt (grid%id, config_flags%gmt)
CALL nl_set_julyr (grid%id, config_flags%julyr)
CALL nl_set_julday (grid%id, config_flags%julday)
! Open the input file for tc stuff. Either the "new" one or the "old" one. The "new" one could have
! a suffix for the type of the data format. Check to see if either is around.
CALL cpu_time ( t3 )
WRITE ( wrf_err_message , FMT='(A,A)' )'med_sidata_input: calling open_r_dataset for ', &
TRIM(config_flags%auxinput1_inname)
CALL wrf_debug ( 100 , wrf_err_message )
IF ( config_flags%auxinput1_inname(1:8) .NE. 'wrf_real' ) THEN
CALL construct_filename4a( si_inpname , config_flags%auxinput1_inname , grid%id , 2 , &
current_date_char , config_flags%io_form_auxinput1 )
ELSE
CALL construct_filename2a( si_inpname , config_flags%auxinput1_inname , grid%id , 2 , &
current_date_char )
END IF
CALL open_r_dataset ( idsi, TRIM(si_inpname) , grid , config_flags , "DATASET=AUXINPUT1", ierr )
IF ( ierr .NE. 0 ) THEN
CALL wrf_error_fatal( 'error opening ' // TRIM(si_inpname) // &
' for input; bad date in namelist or file not in directory' )
END IF
! Input data.
CALL wrf_debug ( 100 , 'med_sidata_input: calling input_auxinput1' )
CALL input_auxinput1 ( idsi , grid , config_flags , ierr )
WRITE ( wrf_err_message , FMT='(A,I10,A)' ) 'Timing for input ',NINT(t4-t3) ,' s.'
CALL wrf_debug( 0, wrf_err_message )
! Possible optional SI input. This sets flags used by init_domain.
CALL cpu_time ( t3 )
CALL wrf_debug ( 100 , 'med_sidata_input: calling init_module_optional_input' )
CALL init_module_optional_input ( grid , config_flags )
CALL wrf_debug ( 100 , 'med_sidata_input: calling optional_input' )
CALL optional_input ( grid , idsi , config_flags )
!Here we check the flags yet again. The flags are checked in optional_input but
!the grid% flags are not set.
flag_name(1:8) = 'SM000010'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_sm000010 = 1
end if
flag_name(1:8) = 'SM010040'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_sm010040 = 1
end if
flag_name(1:8) = 'SM040100'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_sm040100 = itmp
end if
flag_name(1:8) = 'SM100200'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_sm100200 = itmp
end if
! flag_name(1:8) = 'SM010200'
! CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
! IF ( ierr .EQ. 0 ) THEN
! config_flags%flag_sm010200 = itmp
! print *,"found the flag_sm010200 "
! end if
!Now the soil temperature flags
flag_name(1:8) = 'ST000010'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_st000010 = 1
END IF
flag_name(1:8) = 'ST010040'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_st010040 = 1
END IF
flag_name(1:8) = 'ST040100'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_st040100 = 1
END IF
flag_name(1:8) = 'ST100200'
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_' // flag_name, itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_st100200 = 1
END IF
CALL wrf_get_dom_ti_integer ( idsi, 'FLAG_SOIL_LAYERS', itmp, 1, icnt, ierr )
IF ( ierr .EQ. 0 ) THEN
grid%flag_soil_layers = 1
END IF
CALL close_dataset ( idsi , config_flags , "DATASET=AUXINPUT1" )
CALL cpu_time ( t4 )
! Possible optional SI input. This sets flags used by init_domain.
! We need to call the optional input routines to get the flags that
! are in the metgrid output file so they can be put in the tc bogus
! output file for real to read.
CALL cpu_time ( t3 )
already_been_here = .FALSE.
CALL model_to_grid_config_rec ( grid%id , model_config_rec , config_flags )
CALL cpu_time ( t3 )
CALL assemble_output ( grid , config_flags , loop , time_loop_max, current_date_char, &
latc_loc, lonc_loc, vmax, rmax, rankine_lid,si_inpname)
CALL cpu_time ( t4 )
WRITE ( wrf_err_message , FMT='(A,I10,A)' ) 'Timing for output ',NINT(t4-t3) ,' s.'
CALL wrf_debug( 0, wrf_err_message )
CALL cpu_time ( t2 )
WRITE ( wrf_err_message , FMT='(A,I4,A,I10,A)' ) 'Timing for loop # ',loop,' = ',NINT(t2-t1) ,' s.'
CALL wrf_debug( 0, wrf_err_message )
CALL cpu_time ( t1 )
END DO
END SUBROUTINE tc_med_sidata_input
!-------------------------------------------------------------------------------------
SUBROUTINE tc_compute_si_start( & 1,1
start_year , start_month , start_day , start_hour , start_minute , start_second , &
interval_seconds , real_data_init_type , &
start_date_char)
USE module_date_time
IMPLICIT NONE
INTEGER :: start_year , start_month , start_day , start_hour , start_minute , start_second
INTEGER :: end_year , end_month , end_day , end_hour , end_minute , end_second
INTEGER :: interval_seconds , real_data_init_type
INTEGER :: time_loop_max , time_loop
CHARACTER(LEN=19) :: current_date_char , start_date_char , end_date_char , next_date_char
#ifdef PLANET
WRITE ( start_date_char , FMT = '(I4.4,"-",I5.5,"_",I2.2,":",I2.2,":",I2.2)' ) &
start_year,start_day,start_hour,start_minute,start_second
#else
WRITE ( start_date_char , FMT = '(I4.4,"-",I2.2,"-",I2.2,"_",I2.2,":",I2.2,":",I2.2)' ) &
start_year,start_month,start_day,start_hour,start_minute,start_second
#endif
END SUBROUTINE tc_compute_si_start
!-----------------------------------------------------------------------
SUBROUTINE assemble_output ( grid , config_flags , loop , time_loop_max,current_date_char, & 4,234
latc_loc, lonc_loc,vmax,rmax,rankine_lid,si_inpname)
USE module_big_step_utilities_em
USE module_domain
USE module_io_domain
USE module_configure
USE module_date_time
USE module_bc
IMPLICIT NONE
TYPE(domain) :: grid
TYPE (grid_config_rec_type) :: config_flags
INTEGER , INTENT(IN) :: loop , time_loop_max
!These values are in the name list and are avaiable from
!from the config_flags.
real :: vmax(max_bogus),vmax_ratio,rankine_lid
real :: rmax(max_bogus),stand_lon,cen_lat,ptop_in_pa
real :: latc_loc(max_bogus),lonc_loc(max_bogus)
INTEGER :: ijds , ijde , spec_bdy_width
INTEGER :: i , j , k , idts,map_proj,remove_only,storms
INTEGER :: id1 , interval_seconds , ierr, rc, sst_update, grid_fdda
INTEGER , SAVE :: id, id2, id4
CHARACTER (LEN=80) :: tcoutname , bdyname,si_inpname
CHARACTER(LEN= 4) :: loop_char
CHARACTER(LEN=19) :: current_date_char
character *19 :: temp19
character *24 :: temp24 , temp24b
real::t1,t2,truelat1,truelat2
! Boundary width, scalar value.
spec_bdy_width = model_config_rec%spec_bdy_width
interval_seconds = model_config_rec%interval_seconds
sst_update = model_config_rec%sst_update
grid_fdda = model_config_rec%grid_fdda(grid%id)
truelat1 = config_flags%truelat1
truelat2 = config_flags%truelat2
stand_lon = config_flags%stand_lon
cen_lat = config_flags%cen_lat
map_proj = config_flags%map_proj
vmax_ratio = config_flags%vmax_ratio
ptop_in_pa = config_flags%p_top_requested
remove_only = 0
if(config_flags%remove_storm) then
remove_only = 1
end if
storms = config_flags%num_storm
print *,"number of storms ",config_flags%num_storm
call tc_bogus(cen_lat,stand_lon,map_proj,truelat1,truelat2, &
grid%dx,grid%e_we,grid%e_sn,grid%num_metgrid_levels,ptop_in_pa, &
rankine_lid,latc_loc,lonc_loc,vmax,vmax_ratio,rmax,remove_only, &
storms,grid)
! Open the tc bogused output file. cd
CALL construct_filename4a( tcoutname , config_flags%auxinput1_outname , grid%id , 2 , &
current_date_char , config_flags%io_form_auxinput1 )
print *,"outfile name from construct filename ",tcoutname
CALL open_w_dataset ( id1, TRIM(tcoutname) , grid , config_flags ,output_auxinput1,"DATASET=AUXINPUT1",ierr )
IF ( ierr .NE. 0 ) THEN
CALL wrf_error_fatal( 'tc_em: error opening tc bogus file for writing' )
END IF
CALL output_auxinput1( id1, grid , config_flags , ierr )
CALL close_dataset ( id1 , config_flags , "DATASET=AUXINPUT1" )
END SUBROUTINE assemble_output
!----------------------------------------------------------------------------------------------
SUBROUTINE tc_bogus(centerlat,stdlon,nproj,truelat1,truelat2,dsm,ew,ns,nz,ptop_in_pa, & 1,24
rankine_lid,latc_loc,lonc_loc,vmax,vmax_ratio,rmax,remove_only, &
storms,grid)
!!Original Author Dave Gill. Modified by Sherrie Fredrick
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!These are read in from the netcdf file.
!centerlat The center latitude from the global attributes in the netcdf file.
!stdlon The center longitude from the global attributes in the netcdf file.
!nproj The map projection from the global attributes in the netcdf file.
!dsm The spacing in meters from the global attributes in the netcdf file.
!ew The west_east_stag from the dimensions in the netcdf file..
!ns The south_north_stag from the dimensions in the netcdf file. .
!nz The number of metgrid levels from the dimensions in the netcdf file.
!ptop_in_pa This is part of the namelist.input file under the &domains section.
!These values are part of the namelist.input file under the &tc section specifically
!for the tc bogus code.
!NOTES: There can be up to five bogus storms. The variable max_bogus is set in
!the WRF subroutine called module_driver_constants.F in the ./WRFV3/frame directory.
!latc_loc The center latitude of the bogus strorm. This is an array dimensioned max_bogus.
!lonc_loc The center longitude of the bogus strorm. This is an array dimensioned max_bogus.
!vmax The max vortex in meters/second it comes from the namelist entry.
! This is an array dimensioned max_bogus.
!vmax_ratio This comes from the namelist entry.
!rmax The maximum radius this comes from the namelist entry.
! This is an array dimensioned max_bogus
!remove_only If this is set to true in the namelist.input file a value of 0.1
! is automatically assigned to vmax.
!rankine_lid This comes from the namelist entry. It can be used to determine
! what model levels the bogus storm affects.
!storms The number of bogus storms.
!grid This is a Fortran structure which holds all of the field data values
! for the netcdf that was read in.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!module_llxy resides in the share directory.
USE module_llxy
!This is for the large structure (grid)
USE module_domain
IMPLICIT NONE
TYPE(domain) :: grid
integer ew,ns,nz
integer nproj
integer storms,nstrm
real :: centerlat,stdlon,conef,truelat1,truelat2,dsm,dx,rankine_lid
real :: latc_loc(max_bogus),lonc_loc(max_bogus),vmax(max_bogus),vmax_ratio,rmax(max_bogus)
real :: press(ew-1,nz,ns-1),rhmx(nz), vwgt(nz),old_slp(ew-1,ns-1)
real, dimension(:,:,:) , allocatable :: u11,v11,t11,rh11,phi11
real, dimension(:,:,:) , allocatable :: u1 , v1 , t1 , rh1 , phi1
real, dimension(ew-1,ns-1) :: lond,terrain,cor,pslx
!The map scale factors.
real, dimension(ew,ns-1) :: msfu !The mapscale factor for the ew wind staggered grid
real, dimension(ew-1,ns) :: msfv !The mapscale factor for the ns wind staggered grid
real, dimension(ew-1,ns-1) :: msfm !The mapscale factor for the unstaggered grid.
CHARACTER*2 jproj
LOGICAL :: l_tcbogus
real :: r_search,r_vor,beta,devps,humidity_max
real :: devpc,const,r_vor2,cnst,alphar,epsilon,vormx , rad , sum_q
real :: avg_q ,q_old,ror,q_new,dph,dphx0
real :: rh_max,min_RH_value,ps
integer :: vert_variation
integer :: i,k,j,kx,remove_only
integer :: k00,kfrm ,kto ,k85,n_iter,ew_mvc,ns_mvc,nct,itr
integer :: strmci(nz), strmcj(nz)
real :: disx,disy,alpha,degran,pie,rovcp,cp
REAL :: rho,pprm,phip0,x0,y0,vmx,xico,xjco,xicn,xjcn,p85,xlo,rconst,ew_gcntr,ns_gcntr
real :: ptop_in_pa,themax,themin
real :: latinc,loninc
real :: rtemp,colat0,colat
REAL :: q1(ew-1,nz,ns-1), psi1(ew-1,nz,ns-1)
! This is the entire map projection enchilada.
TYPE(proj_info) :: proj
REAL :: lat1 , lon1
! These values are read in from the data set.
real :: knowni,knownj
! TC bogus
REAL utcr(ew,nz,ns-1), vtcr(ew-1,nz,ns)
REAL utcp(ew,nz,ns-1), vtcp(ew-1,nz,ns)
REAL psitc(ew-1,nz,ns-1), psiv(nz)
REAL vortc(ew-1,nz,ns-1), vorv(nz)
REAL tptc(ew-1,nz,ns-1)
REAL phiptc(ew-1,nz,ns-1)
! Work arrays
REAL uuwork(nz), vvwork(nz), temp2(ew,ns)
REAL vort(ew-1,nz,ns-1), div(ew-1,nz,ns-1)
REAL vortsv(ew-1,nz,ns-1)
REAL theta(ew-1,nz,ns-1), t_reduce(ew-1,nz,ns-1)
REAL ug(ew,nz,ns-1), vg(ew-1,nz,ns), vorg(ew-1,nz,ns-1)
REAL delpx(ew-1,ns-1)
!subroutines for relaxation
REAL outold(ew-1,ns-1)
REAL rd(ew-1,ns-1), ff(ew-1,ns-1)
REAL tmp1(ew-1,ns-1), tmp2(ew-1,ns-1)
! Background fields.
REAL , DIMENSION (ew-1,nz,ns-1) :: t0, t00, rh0, q0, phi0, psi0, chi
! Perturbations
REAL , DIMENSION (ew-1,nz,ns-1) :: psipos, tpos, psi ,phipos, phip
! Final fields.
REAL u2(ew,nz,ns-1), v2(ew-1,nz,ns)
REAL t2(ew-1,nz,ns-1),z2(ew-1,nz,ns-1)
REAL phi2(ew-1,nz,ns-1),rh2(ew-1,nz,ns-1)
print *,"the dimensions: north-south = ",ns," east-west =",ew
IF (nproj .EQ. 1) THEN
jproj = 'LC'
print *,"Lambert Conformal projection"
ELSE IF (nproj .EQ. 2) THEN
jproj = 'ST'
ELSE IF (nproj .EQ. 3) THEN
jproj = 'ME'
print *,"A mercator projection"
END IF
knowni = 1.
knownj = 1.
pie = 3.141592653589793
degran = pie/180.
rconst = 287.04
min_RH_value = 5.0
cp = 1004.0
rovcp = rconst/cp
r_search = 400000.0
r_vor = 300000.0
r_vor2 = r_vor * 4
beta = 0.5
devpc= 40.0
vert_variation = 1
humidity_max = 95.0
alphar = 1.8
latinc = -999.
loninc = -999.
if(remove_only .eq. 1) then
do nstrm=1,storms
vmax(nstrm) = 0.1
end do
end if
! Set up initializations for map projection so that the lat/lon
! of the tropical storm can be put into model (i,j) space. This needs to be done once per
! map projection definition. Since this is the domain that we are "GOING TO", it is a once
! per regridder requirement. If the user somehow ends up calling this routine for several
! time periods, there is no problemos, just a bit of overhead with redundant calls.
dx = dsm
lat1 = grid%xlat_gc(1,1)
lon1 = grid%xlong_gc(1,1)
IF( jproj .EQ. 'ME' )THEN
IF ( lon1 .LT. -180. ) lon1 = lon1 + 360.
IF ( lon1 .GT. 180. ) lon1 = lon1 - 360.
IF ( stdlon .LT. -180. ) stdlon = stdlon + 360.
IF ( stdlon .GT. 180. ) stdlon = stdlon - 360.
CALL map_set ( proj_merc, proj, lat1, lon1, lat1, lon1, knowni, knownj, dx, &
latinc,loninc,stdlon , truelat1 , truelat2)
conef = 0.
ELSE IF ( jproj .EQ. 'LC' ) THEN
if((truelat1 .eq. 0.0) .and. (truelat2 .eq. 0.0)) then
print *,"Truelat1 and Truelat2 are both 0"
stop
end if
CALL map_set (proj_lc,proj, lat1, lon1, lat1, lon1, knowni, knownj, dx, &
latinc,loninc,stdlon , truelat1 , truelat2)
conef = proj%cone
ELSE IF ( jproj .EQ. 'ST' ) THEN
conef = 1.
CALL map_set ( proj_ps,proj,lat1, lon1, lat1, lon1, knowni, knownj, dx, &
latinc,loninc,stdlon , truelat1 , truelat2)
END IF
! Load the pressure array.
kx = nz
do j = 1,ns-1
do k = 1,nz
do i = 1,ew-1
press(i,k,j) = grid%p_gc(i,k,j)*0.01
end do
end do
end do
! Initialize the vertical profiles for humidity and weighting.
!The ptop variable will be read in from the namelist
IF ( ( ptop_in_pa .EQ. 40000. ) .OR. ( ptop_in_pa .EQ. 60000. ) ) THEN
PRINT '(A)','Hold on pardner, your value for PTOP is gonna cause problems for the TC bogus option.'
PRINT '(A)','Make it higher up than 400 mb.'
STOP 'ptop_woes_for_tc_bogus'
END IF
IF ( vert_variation .EQ. 1 ) THEN
DO k=1,kx
IF ( press(1,k,1) .GT. 400. ) THEN
rhmx(k) = humidity_max
ELSE
rhmx(k) = humidity_max * MAX( 0.1 , (press(1,k,1) - ptop_in_pa/100.)/(400.-ptop_in_pa/100.) )
END IF
IF ( press(1,k,1) .GT. 600. ) THEN
vwgt(k) = 1.0
ELSE IF ( press(1,k,1) .LE. 100. ) THEN
vwgt(k) = 0.0001
ELSE
vwgt(k) = MAX ( 0.0001 , (press(1,k,1)-ptop_in_pa/100.)/(600.-ptop_in_pa/100.) )
END IF
END DO
ELSE IF ( vert_variation .EQ. 2 ) THEN
IF ( kx .eq. 24 ) THEN
rhmx = (/ 95., 95., 95., 95., 95., 95., 95., 95., &
95., 95., 95., 95., 95., 90., 85., 80., 75., &
70., 66., 60., 39., 10., 10., 10./)
vwgt = (/ 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 0.9850, &
0.9680, 0.9500, 0.9290, 0.9060, 0.8810, 0.8500, 0.7580, 0.6500, 0.5100, &
0.3500, 0.2120, 0.0500, 0.0270, 0.0001, 0.0001, 0.0001/)
ELSE
PRINT '(A)','Number of vertical levels assumed to be 24 for AFWA TC bogus option'
STOP 'AFWA_TC_BOGUS_LEVEL_ERROR'
END IF
END IF
!Remember that ns = the north south staggered. This is one more than the ns mass point grid.
! ew = the east west staggered. This is one more than the ew mass point grid.
!Put the U and V into the new arrays.
!Remember that the WRF ordering is ew,vert level,ns
!Vorticity and Divergence calculatins are done on
!the staggered grids so the winds are not destaggered
allocate(u11 (1:ew, 1:nz, 1:ns-1))
allocate(u1 (1:ew, 1:nz, 1:ns-1))
allocate(v11 (1:ew-1, 1:nz, 1:ns))
allocate(v1 (1:ew-1, 1:nz, 1:ns))
do j = 1,ns-1
do k = 1,nz
do i = 1,ew
u11(i,k,j) = grid%u_gc(i,k,j)
u1(i,k,j) = grid%u_gc(i,k,j)
msfu(i,j) = grid%msfu(i,j) !map scale factor on the U staggered grid
end do
end do
end do
do j = 1,ns
do k = 1,nz
do i = 1,ew-1
v11(i,k,j) = grid%v_gc(i,k,j)
v1(i,k,j) = grid%v_gc(i,k,j)
msfv(i,j) = grid%msfv(i,j) !map scale factor on the V staggered grid
end do
end do
end do
!Put the temperature, relative humidity and height fields
!into arrays. Save the initial fields also.
!These arrays are on the WRF mass points
allocate(t11 (1:ew-1, 1:nz, 1:ns-1))
allocate(t1 (1:ew-1, 1:nz, 1:ns-1))
allocate(rh11 (1:ew-1, 1:nz, 1:ns-1))
allocate(rh1 (1:ew-1, 1:nz, 1:ns-1))
allocate(phi11(1:ew-1, 1:nz, 1:ns-1))
allocate(phi1 (1:ew-1, 1:nz, 1:ns-1))
do j = 1,ns-1
do k = 1,nz
do i = 1,ew-1
t11(i,k,j) = grid%t_gc(i,k,j)
t1(i,k,j) = grid%t_gc(i,k,j)
rh11(i,k,j) = grid%rh_gc(i,k,j)
rh1(i,k,j) = grid%rh_gc(i,k,j)
msfm(i,j) = grid%msft(i,j)
if(k .eq. 1)then
phi11(i,k,j) = grid%ht_gc(i,j)
phi1(i,k,j) = grid%ht_gc(i,j) * 9.81
else
phi11(i,k,j) = grid%ght_gc(i,k,j)
phi1(i,k,j) = grid%ght_gc(i,k,j) * 9.81
end if
end do
end do
end do
!The two D fields
!The terrain soil height is from ght at level 1
do j = 1,ns-1
do i = 1,ew-1
pslx(i,j) = grid%pslv_gc(i,j) * 0.01
cor(i,j) = grid%f(i,j) !coreolous
lond(i,j) = grid%xlong_gc(i,j)
terrain(i,j) = grid%ht_gc(i,j)
old_slp(i,j) = grid%pslv_gc(i,j)
end do
end do
! Loop over the number of storms to process.
l_tcbogus = .FALSE.
all_storms : DO nstrm=1,storms
!Make sure the user has defined the rmax variable
if(rmax(nstrm) .eq. -999.) then
print *,"Please enter a value for rmax in the namelist"
stop
end if
k00 = 2
kfrm = k00
p85 = 850.
kto = kfrm
DO k=kfrm+1,kx
IF ( press(1,k,1) .GE. p85 ) THEN
kto = kto + 1
END IF
END DO
k85 = kto
! Parameters for max wind
rho = 1.2
pprm = devpc*100.
phip0= pprm/rho
!latc_loc and lonc_loc come in from the namelist.
!These x0 and y0 points are relative to the mass points.
CALL latlon_to_ij ( proj , latc_loc(nstrm) , lonc_loc(nstrm) , x0 , y0 )
IF ( ( x0 .LT. 1. ) .OR. ( x0 .GT. REAL(ew-1) ) .OR. &
( y0 .LT. 1. ) .OR. ( y0 .GT. REAL(ns-1) ) ) THEN
PRINT '(A,I3,A,A,A)',' Storm position is outside the computational domain.'
PRINT '(A,2F6.2,A)' ,' Storm postion: (x,y) = ',x0,y0,'.'
stop
END IF
l_tcbogus = .TRUE.
! Bogus vortex specifications, vmax (m/s); rmax (m);
vmx = vmax(nstrm) * vmax_ratio
IF ( latc_loc(nstrm) .LT. 0. ) THEN
vmx = -vmx
END IF
IF ( vmax(nstrm) .LE. 0. ) THEN
vmx = SQRT( 2.*(1-beta)*ABS(phip0) )
END IF
ew_gcntr = x0 !ew center grid location
ns_gcntr = y0 !ns center grid location
!For right now we are adding 0.5 to the grid location this
!makes the output of the wrf tc_bogus scheme analogous to the
!ouput of the MM5 tc_bogus scheme.
ew_gcntr = x0 + 0.5
ns_gcntr = y0 + 0.5
n_iter = 1
! Start computing.
PRINT '(/,A,I3,A,A,A)' ,'---> TC: Processing storm number= ',nstrm
PRINT '(A,F6.2,A,F7.2,A)' ,' Storm center lat= ',latc_loc(nstrm),' lon= ',lonc_loc(nstrm),'.'
PRINT '(A,2F6.2,A)' ,' Storm center grid position (x,y)= ',ew_gcntr,ns_gcntr,'.'
PRINT '(A,F5.2,F9.2,A)' ,' Storm max wind (m/s) and max radius (m)= ',vmx,rmax(nstrm),'.'
PRINT '(A,F5.2,A)' ,' Estimated central press dev (mb)= ',devpc,'.'
! Initialize storm center to (1,1)
DO k=1,kx
strmci(k) = 1
strmcj(k) = 1
END DO
! Define complete field of bogus storm
!Note dx is spacing in meters.
!The output arrays from the rankine subroutine vvwork,uuwork,psiv and vorv
!are defined on the WRF mass points.
utcp(:,:,:) = 0.0
vtcp(:,:,:) = 0.0
print *,"nstrm ",rmax(nstrm),ew_gcntr,ns_gcntr
DO j=1,ns-1
DO i=1,ew-1
disx = REAL(i) - ew_gcntr
disy = REAL(j) - ns_gcntr
CALL rankine(disx,disy,dx,kx,vwgt,rmax(nstrm),vmx,uuwork,vvwork,psiv,vorv)
DO k=1,kx
utcp(i,k,j) = uuwork(k)
vtcp(i,k,j) = vvwork(k)
psitc(i,k,j) = psiv(k)
vortc(i,k,j) = vorv(k)
END DO
END DO
END DO
call stagger_rankine_winds(utcp,vtcp,ew,ns,nz)
utcr(:,:,:) = 0.0
vtcr(:,:,:) = 0.0
! dave Rotate wind to map proj, on the correct staggering
DO j=1,ns-1
DO i=2,ew-1
xlo = stdlon-grid%xlong_u(i,j)
IF ( xlo .GT. 180.)xlo = xlo-360.
IF ( xlo .LT.-180.)xlo = xlo+360.
alpha = xlo*conef*degran*SIGN(1.,centerlat)
DO k=1,kx
utcr(i,k,j) = (vtcp(i-1,k,j)+vtcp(i,k,j)+vtcp(i,k,j+1)+vtcp(i-1,k,j+1))/4 *SIN(alpha)+utcp(i,k,j)*COS(alpha)
if(utcr(i,k,j) .gt. 300.) then
print *,i,k,j,"a very bad value of utcr"
stop
end if
END DO
END DO
END DO
DO j=2,ns-1
DO i=1,ew-1
xlo = stdlon-grid%xlong_v(i,j)
IF ( xlo .GT. 180.)xlo = xlo-360.
IF ( xlo .LT.-180.)xlo = xlo+360.
alpha = xlo*conef*degran*SIGN(1.,centerlat)
DO k=1,kx
vtcr(i,k,j) = vtcp(i,k,j)*COS(alpha)-(utcp(i,k,j-1)+utcp(i+1,k,j-1)+utcp(i+1,k,j)+utcp(i,k,j))/4*SIN(alpha)
if(vtcr(i,k,j) .gt. 300.) then
print *,i,k,j,"a very bad value of vtcr"
stop
end if
END DO
END DO
END DO
!Fill in UTCR's along the left and right side.
do j = 1,ns-1
utcr(1,:,j) = utcr(2,:,j)
utcr(ew,:,j) = utcr(ew-1,:,j)
end do
!Fill in V's along the bottom and top.
do i = 1,ew-1
vtcr(i,:,1) = vtcr(i,:,2)
vtcr(i,:,ns) = vtcr(i,:,ns-1)
end do
! Compute vorticity of FG. This is the vorticity of the original winds
! on the staggered grid. The vorticity and divergence are defined at
! the mass points when done.
CALL vor(u1,v1,msfu,msfv,msfm,ew,ns,kx,dx,vort)
! Compute divergence of FG
CALL diverg(u1,v1,msfu,msfv,msfm,ew,ns,kx,dx,div)
! Compute mixing ratio of FG
CALL mxratprs(rh1,t1,press*100.,ew,ns,kx,q1,min_RH_value)
q1(:,1,:) = q1(:,2,:)
! Compute initial streamfunction - PSI1
vortsv = vort
q0 = q1
! Solve for streamfunction.
DO k=1,kx
DO j=1,ns-1
DO i=1,ew-1
ff(i,j) = vort(i,k,j)
tmp1(i,j)= 0.0
END DO
END DO
epsilon = 1.E-2
CALL relax(tmp1,ff,rd,ew,ns,dx,epsilon,alphar)
DO j=1,ns-1
DO i=1,ew-1
psi1(i,k,j) = tmp1(i,j)
END DO
END DO
END DO
DO k=1,kx !start of the k loop
IF ( latc_loc(nstrm) .GE. 0. ) THEN
vormx = -1.e10
ELSE
vormx = 1.e10
END IF
ew_mvc = 1
ns_mvc = 1
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT((REAL(i)-ew_gcntr)**2.+(REAL(j)-ns_gcntr)**2.)*dx
IF ( rad .LE. r_search ) THEN
IF ( latc_loc(nstrm) .GE. 0. ) THEN
IF ( vortsv(i,k,j) .GT. vormx ) THEN
vormx = vortsv(i,k,j)
ew_mvc = i
ns_mvc = j
END IF
ELSE IF (latc_loc(nstrm) .LT. 0. ) THEN
IF ( vortsv(i,k,j) .LT. vormx ) THEN
vormx = vortsv(i,k,j)
ew_mvc = i
ns_mvc = j
END IF
END IF
END IF
END DO
END DO
strmci(k) = ew_mvc
strmcj(k) = ns_mvc
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT(REAL((i-ew_mvc)**2.+(j-ns_mvc)**2.))*dx
IF ( rad .GT. r_vor ) THEN
vort(i,k,j) = 0.
div(i,k,j) = 0.
END IF
END DO
END DO
DO itr=1,n_iter
sum_q = 0.
nct = 0
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT(REAL(i-ew_mvc)**2.+REAL(j-ns_mvc)**2.)*dx
IF ( (rad .LT. r_vor2).AND.(rad .GE. 0.8*r_vor2) ) THEN
sum_q = sum_q + q0(i,k,j)
nct = nct + 1
END IF
END DO
END DO
avg_q = sum_q/MAX(REAL(nct),1.)
DO j=1,ns-1
DO i=1,ew-1
q_old = q0(i,k,j)
rad = SQRT(REAL(i-ew_mvc)**2.+REAL(j-ns_mvc)**2.)*dx
IF ( rad .LT. r_vor2 ) THEN
ror = rad/r_vor2
q_new = ((1.-ror)*avg_q) + (ror*q_old)
q0(i,k,j) = q_new
END IF
END DO
END DO
END DO !end of itr loop
END DO !of the k loop
! Compute divergent wind (chi) at the mass points
DO k=1,kx
DO j=1,ns-1
DO i=1,ew-1
ff(i,j) = div(i,k,j)
tmp1(i,j)= 0.0
END DO
END DO
epsilon = 1.e-2
CALL relax(tmp1,ff,rd,ew,ns,dx,epsilon,alphar)
DO j=1,ns-1
DO i=1,ew-1
chi(i,k,j) = tmp1(i,j)
END DO
END DO
END DO !of the k loop for divergent winds
! Compute background streamfunction (PSI0) and perturbation field (PSI)
! print *,"perturbation field (PSI) relax three"
DO k=1,kx
DO j=1,ns-1
DO i=1,ew-1
ff(i,j)=vort(i,k,j)
tmp1(i,j)=0.0
END DO
END DO
epsilon = 1.e-2
CALL relax(tmp1,ff,rd,ew,ns,dx,epsilon,alphar)
DO j=1,ns-1
DO i=1,ew-1
psi(i,k,j)=tmp1(i,j)
END DO
END DO
END DO
!We can now calculate the final wind fields.
call final_ew_velocity(u2,u1,chi,psi,utcr,dx,ew,ns,nz)
call final_ns_velocity(v2,v1,chi,psi,vtcr,dx,ew,ns,nz)
DO k=1,kx
DO j=1,ns-1
DO i=1,ew-1
psi0(i,k,j) = psi1(i,k,j)-psi(i,k,j)
END DO
END DO
END DO
DO k=k00,kx
DO j=1,ns-1
DO i=1,ew-1
psipos(i,k,j)=psi(i,k,j)
END DO
END DO
END DO
! Geostrophic vorticity.
!We calculate the ug and vg on the wrf U and V staggered grids
!since this is where the vorticity subroutine expects them.
CALL geowind(phi1,ew,ns,kx,dx,ug,vg)
CALL vor(ug,vg,msfu,msfv,msfm,ew,ns,kx,dx,vorg)
DO k=1,kx
ew_mvc = strmci(k)
ns_mvc = strmcj(k)
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT(REAL(i-ew_mvc)**2.+REAL(j-ns_mvc)**2.)*dx
IF ( rad .GT. r_vor ) THEN
vorg(i,k,j) = 0.
END IF
END DO
END DO
END DO
DO k=k00,kx
DO j=1,ns-1
DO i=1,ew-1
ff(i,j) = vorg(i,k,j)
tmp1(i,j)= 0.0
END DO
END DO
epsilon = 1.e-3
CALL relax(tmp1,ff,rd,ew,ns,dx,epsilon,alphar)
DO j=1,ns-1
DO i=1,ew-1
phip(i,k,j) = tmp1(i,j)
END DO
END DO
END DO
! Background geopotential.
DO k=k00,kx
DO j=1,ns-1
DO i=1,ew-1
phi0(i,k,j) = phi1(i,k,j) - phip(i,k,j)
END DO
END DO
END DO
! Background temperature
DO k=k00,kx
DO j=1,ns-1
DO i=1,ew-1
IF( k .EQ. 2 ) THEN
tpos(i,k,j) = (-1./rconst)*(phip(i,k+1,j)-phip(i,k,j ))/LOG(press(i,k+1,j)/press(i,k,j))
ELSE IF ( k .EQ. kx ) THEN
tpos(i,k,j) = (-1./rconst)*(phip(i,k ,j)-phip(i,k-1,j))/LOG(press(i,k,j )/press(i,k-1,j))
ELSE
tpos(i,k,j) = (-1./rconst)*(phip(i,k+1,j)-phip(i,k-1,j))/LOG(press(i,k+1,j)/press(i,k-1,j))
END IF
t0(i,k,j) = t1(i,k,j)-tpos(i,k,j)
t00(i,k,j) = t0(i,k,j)
if(t0(i,k,j) .gt. 400) then
print *,"interesting temperature ",t0(i,k,j)," at ",i,j,k
stop
end if
END DO
END DO
END DO
! New RH.
CALL qvtorh (q0,t0,press*100.,k00,ew,ns,kx,rh0,min_RH_value)
call final_RH(rh2,rh0,rhmx,strmci,strmcj,rmax(nstrm),ew,ns,nz,k00,dx,ew_gcntr,ns_gcntr,r_vor2)
! adjust T0
DO k=k00,kx
DO j=1,ns-1
DO i=1,ew-1
theta(i,k,j) = t1(i,k,j)*(1000./press(i,k,j))**rovcp
END DO
END DO
END DO
ew_mvc = strmci(k00)
ns_mvc = strmcj(k00)
DO k=kfrm,kto
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT(REAL(i-ew_mvc)**2.+REAL(j-ns_mvc)**2.)*dx
IF ( rad .LT. r_vor2 ) THEN
t_reduce(i,k,j) = theta(i,k85,j)-0.03*(press(i,k,j)-press(i,k85,j))
t0(i,k,j) = t00(i,k,j)*(rad/r_vor2) + (((press(i,k,j)/1000.)**rovcp)*t_reduce(i,k,j))*(1.-(rad/r_vor2))
END IF
END DO
END DO
END DO
! Geopotential perturbation
DO k=1,kx
DO j=1,ns-1
DO i=1,ew-1
tmp1(i,j)=psitc(i,k,j)
END DO
END DO
CALL balance(cor,tmp1,ew,ns,dx,outold)
DO j=1,ns-1
DO i=1,ew-1
ff(i,j)=outold(i,j)
tmp1(i,j)=0.0
END DO
END DO
epsilon = 1.e-3
CALL relax (tmp1,ff,rd,ew,ns,dx,epsilon,alphar)
DO j=1,ns-1
DO i=1,ew-1
phiptc(i,k,j) = tmp1(i,j)
END DO
END DO
END DO
! New geopotential field.
DO j=1,ns-1
DO k=1,kx
DO i=1,ew-1
phi2(i,k,j) = phi0(i,k,j) + phiptc(i,k,j)
END DO
END DO
END DO
! New temperature field.
DO j=1,ns-1
DO k=k00,kx
DO i=1,ew-1
IF( k .EQ. 2 ) THEN
tptc(i,k,j)=(-1./rconst)*(phiptc(i,k+1,j)-phiptc(i,k,j ))/LOG(press(i,k+1,j)/press(i,k,j))
ELSE IF ( k .EQ. kx ) THEN
tptc(i,k,j)=(-1./rconst)*(phiptc(i,k,j )-phiptc(i,k-1,j))/LOG(press(i,k,j)/press(i,k-1,j))
ELSE
tptc(i,k,j)=(-1./rconst)*(phiptc(i,k+1,j)-phiptc(i,k-1,j))/LOG(press(i,k+1,j)/press(i,k-1,j))
END IF
t2(i,k,j) = t0(i,k,j) + tptc(i,k,j)
if(t2(i,k,j) .gt. 400) then
print *,"interesting temperature "
print *,t2(i,k,j),i,k,j,tptc(i,k,j)
stop
end if
END DO
END DO
END DO
! Sea level pressure change.
DO j=1,ns-1
DO i=1,ew-1
dph = phi2(i,k00,j)-phi1(i,k00,j)
delpx(i,j) = rho*dph*0.01
END DO
END DO
! New SLP.
! print *,"new slp",nstrm
DO j=1,ns-1
DO i=1,ew-1
pslx(i,j) = pslx(i,j)+delpx(i,j)
grid%pslv_gc(i,j) = pslx(i,j) * 100.
! print *,pslx(i,j)
END DO
END DO
! Set new geopotential at surface to terrain elevation.
DO j=1,ns-1
DO i=1,ew-1
z2(i,1,j) = terrain(i,j)
END DO
END DO
! Geopotential back to height.
DO j=1,ns-1
DO k=k00,kx
DO i=1,ew-1
z2(i,k,j) = phi2(i,k,j)/9.81
END DO
END DO
END DO
! New surface temperature, assuming same theta as from 1000 mb.
! print *,"new surface temperature"
DO j=1,ns-1
DO i=1,ew-1
ps = pslx(i,j)
t2(i,1,j) = t2(i,k00,j)*((ps/1000.)**rovcp)
if(t2(i,1,j) .gt. 400) then
print *,"Interesting surface temperature"
print *,t2(i,1,j),t2(i,k00,j),ps,i,j
stop
end if
END DO
END DO
! Set surface RH to the value from 1000 mb.
DO j=1,ns-1
DO i=1,ew-1
rh2(i,1,j) = rh2(i,k00,j)
END DO
END DO
! Modification of tropical storm complete.
PRINT '(A,I3,A)' ,' Bogus storm number ',nstrm,' completed.'
do j = 1,ns-1
do k = 1,nz
do i = 1,ew
u1(i,k,j) = u2(i,k,j)
grid%u_gc(i,k,j) = u2(i,k,j)
end do
end do
end do
do j = 1,ns
do k = 1,nz
do i = 1,ew-1
v1(i,k,j) = v2(i,k,j)
grid%v_gc(i,k,j) = v2(i,k,j)
end do
end do
end do
do j = 1,ns-1
do k = 1,nz
do i = 1,ew-1
t1(i,k,j) = t2(i,k,j)
grid%t_gc(i,k,j) = t2(i,k,j)
rh1(i,k,j) = rh2(i,k,j)
grid%rh_gc(i,k,j) = rh2(i,k,j)
phi1(i,k,j) = phi2(i,k,j)
grid%ght_gc(i,k,j) = z2(i,k,j)
END DO
END DO
END DO
END DO all_storms
deallocate(u11)
deallocate(v11)
deallocate(t11)
deallocate(rh11)
deallocate(phi11)
deallocate(u1)
deallocate(v1)
deallocate(t1)
deallocate(rh1)
deallocate(phi1)
do j = 1,ns-1
do i = 1,ew-1
if(grid%ht_gc(i,j) .gt. 1) then
grid%p_gc(i,1,j) = grid%p_gc(i,1,j) + (pslx(i,j) * 100. - old_slp(i,j))
grid%psfc(i,j) = grid%psfc(i,j) + (pslx(i,j) * 100. - old_slp(i,j))
else
grid%p_gc(i,1,j) = pslx(i,j) * 100.
grid%psfc(i,j) = pslx(i,j) * 100.
end if
end do
end do
END SUBROUTINE tc_bogus
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE rankine(dx,dy,ds,nlvl,vwgt,rmax,vmax,uu,vv,psi,vor) 1
! Define analytical bogus vortex
IMPLICIT NONE
INTEGER nlvl
REAL , DIMENSION(nlvl) :: uu, vv, psi, vor
REAL , DIMENSION(nlvl) :: vwgt
REAL :: dx,dy,ds,rmax,vmax
REAL , PARAMETER :: alpha1= 1.
REAL , PARAMETER :: alpha2= -0.75
real :: pi
INTEGER :: k
REAL :: vr , ang , rr , term1 , bb , term2 , alpha
pi = 3.141592653589793
! Wind component
DO k=1,nlvl
rr = SQRT(dx**2+dy**2)*ds
IF ( rr .LT. rmax ) THEN
alpha = 1.
ELSE IF ( rr .GE. rmax ) THEN
alpha = alpha2
END IF
vr = vmax * (rr/rmax)**(alpha)
IF ( dx.GE.0. ) THEN
ang = (pi/2.) - ATAN2(dy,MAX(dx,1.e-6))
uu(k) = vwgt(k)*(-vr*COS(ang))
vv(k) = vwgt(k)*( vr*SIN(ang))
ELSE IF ( dx.LT.0. ) THEN
ang = ((3.*pi)/2.) + ATAN2(dy,dx)
uu(k) = vwgt(k)*(-vr*COS(ang))
vv(k) = vwgt(k)*(-vr*SIN(ang))
END IF
END DO
! psi
DO k=1,nlvl
rr = SQRT(dx**2+dy**2)*ds
IF ( rr .LT. rmax ) THEN
psi(k) = vwgt(k) * (vmax*rr*rr)/(2.*rmax)
ELSE IF ( rr .GE. rmax ) THEN
IF (alpha1.EQ.1.0 .AND. alpha2.eq.-1.0) THEN
psi(k) = vwgt(k) * vmax*rmax*(0.5+LOG(rr/rmax))
ELSE IF (alpha1.EQ.1.0 .AND. alpha2.NE.-1.0) THEN
term1 = vmax/(rmax**alpha1)*(rmax**(alpha1+1)/(alpha1+1))
bb = (rr**(alpha2+1)/(alpha2+1))-(rmax**(alpha2+1))/(alpha2+1)
term2 = vmax/(rmax**alpha2)*bb
psi(k) = vwgt(k) * (term1 + term2)
END IF
END IF
END DO
! vort
DO k=1,nlvl
rr = SQRT(dx**2+dy**2)*ds
IF ( rr .LT. rmax ) THEN
vor(k) = vwgt(k) * (2.*vmax)/rmax
ELSE IF ( rr .GE. rmax ) THEN
vor(k) = vwgt(k) * ( (vmax/rmax**alpha2)*(rr**(alpha2-1.))*(1.+alpha2) )
END IF
END DO
END SUBROUTINE rankine
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE vor(uin,vin,msfu,msfv,msfm,ew,ns,nz,ds,vort) 2
!Here we assume that the U and V's are still on the WRF staggered grid.
!The vorticity is then calculated at the mass points on the WRF grid.
IMPLICIT NONE
INTEGER :: jp1,jm1,ip1,im1,i,j,k
INTEGER :: ns, ew, nz, k1
REAL , DIMENSION(ew,nz,ns-1) :: uin !u values on unstaggered U grid
REAL , DIMENSION(ew-1,nz,ns) :: vin !v values on unstaggered V grid
REAL , DIMENSION(ew-1,nz,ns-1) :: vort !vort is defined on the mass points
REAL , DIMENSION(ew,ns-1) :: msfu !map scale factors on U staggered grid
REAL , DIMENSION(ew-1,ns) :: msfv !map scale factors on V staggered grid
REAL , DIMENSION(ew-1,ns-1) :: msfm !map scale factors on unstaggered grid
real :: u(ew,ns-1),v(ew-1,ns)
REAL :: ds
REAL :: dsx,dsy , u1 , u2 , u3 , u4 , v1 , v2 , v3 , v4
real :: dudy,dvdx,mm
vort(:,:,:) = -999.
do k = 1,nz
do j = 1,ns-1
do i = 1,ew
u(i,j) = uin(i,k,j)
end do
end do
do j = 1,ns
do i = 1,ew-1
v(i,j) = vin(i,k,j)
end do
end do
!Our indicies are from 2 to ns-2 and ew-2. This is because out
!map scale factors are not defined for the entire grid.
do j = 2,ns-2
do i = 2,ew-2
mm = msfm(i,j) * msfm(i,j)
u1 = u(i ,j-1)/msfu(i ,j-1)
u2 = u(i+1,j-1)/msfu(i+1,j-1)
u3 = u(i+1,j+1)/msfu(i+1,j+1)
u4 = u(i ,j+1)/msfu(i ,j+1)
dudy = mm * (u4 + u3 -(u1 + u2)) /(4*ds)
v1 = v(i-1,j )/msfv(i-1,j)
v2 = v(i+1,j )/msfv(i+1,j)
v3 = v(i-1 ,j+1)/msfv(i-1,j+1)
v4 = v(i+1,j+1)/msfv(i+1,j+1)
dvdx = mm * (v4 + v2 - (v1 + v3))/(4*ds)
vort(i,k,j) = dvdx - dudy
end do
end do
!Our vorticity array goes out to ew-1 and ns-1 which is the
!mass point grid dimensions.
do i = 2,ew-2
vort(i,k,1) = vort(i,k,2) !bottom not corners
vort(i,k,ns-1) = vort(i,k,ns-2) !top not corners
end do
do j = 1,ns-1
vort(ew-1,k,j) = vort(ew-2,k,j) !right side including corners
vort(1,k,j) = vort(2,k,j) !left side including corners
end do
end do ! this is the k loop end
END SUBROUTINE
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE diverg(uin,vin,msfu,msfv,msfm,ew,ns,nz,ds,div) 1
! Computes divergence on unstaggered grid. The divergence is calculated
! at the mass points on the WRF grid.
! div = m*m (du/dx + dv/dy)
IMPLICIT NONE
INTEGER :: jp1,jm1,ip1,im1,i,j,k
INTEGER :: ns, ew, nz, k1
REAL , DIMENSION(ew,nz,ns-1) :: uin !u values on unstaggered U grid
REAL , DIMENSION(ew-1,nz,ns) :: vin !v values on unstaggered V grid
REAL , DIMENSION(ew-1,nz,ns-1) :: div !divergence is calculate on the mass points
REAL , DIMENSION(ew,ns-1) :: msfu !map scale factors on U staggered grid
REAL , DIMENSION(ew-1,ns) :: msfv !map scale factors on V staggered grid
REAL , DIMENSION(ew-1,ns-1) :: msfm !map scale factors on unstaggered grid
real :: u(ew,ns-1),v(ew-1,ns)
REAL :: ds
REAL :: dsr,u1,u2,v1,v2
real :: dudx,dvdy,mm,arg1,arg2
dsr = 1/ds
do k = 1,nz
do j = 1,ns-1
do i = 1,ew
u(i,j) = uin(i,k,j)
end do
end do
do j = 1,ns
do i = 1,ew-1
v(i,j) = vin(i,k,j)
end do
end do
!Our indicies are from 2 to ns-2 and ew-2. This is because out
!map scale factors are not defined for the entire grid.
do j = 2,ns-2
do i = 2,ew-2
mm = msfm(i,j) * msfm(i,j)
u1 = u(i+1,j)/msfu(i+1,j)
u2 = u(i ,j)/msfu(i ,j)
v1 = v(i,j+1)/msfv(i,j+1)
v2 = v(i,j) /msfv(i,j)
div(i,k,j) = mm * (u1 - u2 + v1 - v2) * dsr
end do
end do
!Our divergence array is defined on the mass points.
do i = 2,ew-2
div(i,k,1) = div(i,k,2) !bottom not corners
div(i,k,ns-1) = div(i,k,ns-2) !top not corners
end do
do j = 1,ns-1
div(ew-1,k,j) = div(ew-2,k,j) !right side including corners
div(1,k,j) = div(2,k,j) !left side including corners
end do
end do !end for the k loop
END SUBROUTINE diverg
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE mxratprs (rh, t, ppa, ew, ns, nz, q, min_RH_value) 1
IMPLICIT NONE
INTEGER :: i , ew , j , ns , k , nz
REAL :: min_RH_value
REAL :: ppa(ew-1,nz,ns-1)
REAL :: p( ew-1,nz,ns-1 )
REAL :: q (ew-1,nz,ns-1),rh(ew-1,nz,ns-1),t(ew-1,nz,ns-1)
REAL :: es
REAL :: qs
REAL :: cp = 1004.0
REAL :: svp1,svp2,svp3
REAL :: celkel
REAL :: eps
! This function is designed to compute (q) from basic variables
! p (mb), t(K) and rh(0-100%) to give (q) in (kg/kg).
p = ppa * 0.01
DO j = 1, ns - 1
DO k = 1, nz
DO i = 1, ew - 1
rh(i,k,j) = MIN ( MAX ( rh(i,k,j) ,min_RH_value ) , 100. )
END DO
END DO
END DO
svp3 = 29.65
svp1 = 0.6112
svp2 = 17.67
celkel = 273.15
eps = 0.622
DO j = 1, ns-1
DO k = 1, nz
DO i = 1,ew-1
es = svp1 * 10. * EXP(svp2 * (t(i,k,j) - celkel ) / (t(i,k,j) - svp3 ))
qs = eps * es / (p(i,k,j) - es)
q(i,k,j) = MAX(0.01 * rh(i,k,j) * qs,0.0)
END DO
END DO
END DO
END SUBROUTINE mxratprs
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE mass2_Ustag(field,dim1,dim2,dim3)
IMPLICIT NONE
INTEGER :: dim1 , dim2 , dim3
REAL , DIMENSION(dim1,dim2,dim3) :: field,dummy
dummy = 0.0
dummy(:,2:dim2-1,:) = ( field(:,1:dim2-2,:) + &
field(:,2:dim2-1,:) ) * 0.5
dummy(:,1,:) = field(:,1,:)
dummy(:,dim2,:) = field(:,dim2-1,:)
field = dummy
END SUBROUTINE mass2_Ustag
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE mass2_Vstag(field,dim1,dim2,dim3)
IMPLICIT NONE
INTEGER :: dim1 , dim2 , dim3
REAL , DIMENSION(dim1,dim2,dim3) :: field,dummy
dummy = 0.0
dummy(2:dim1-1,:,:) = ( field(1:dim1-2,:,:) + &
field(2:dim1-1,:,:) ) * 0.5
dummy(1,:,:) = field(1,:,:)
dummy(dim1,:,:) = field(dim1-1,:,:)
field = dummy
END SUBROUTINE mass2_Vstag
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE relax (chi, ff, rd, ew, ns, ds, smallres, alpha) 5
IMPLICIT NONE
INTEGER, PARAMETER :: mm = 20000
INTEGER :: i
INTEGER :: ie
INTEGER :: ew !ew direction
INTEGER :: iter
INTEGER :: j
INTEGER :: je
INTEGER :: jm
INTEGER :: ns !ns direction
INTEGER :: mi
REAL :: alpha
REAL :: alphaov4
REAL :: chi(ew-1,ns-1)
REAL :: chimx(ns-1)
REAL :: ds
REAL :: epx
REAL :: fac
REAL :: ff(ew-1,ns-1)
REAL :: rd(ew-1,ns-1)
REAL :: rdmax(ns-1)
REAL :: smallres
LOGICAL :: converged = .FALSE.
fac = ds * ds
alphaov4 = alpha * 0.25
ie=ew-2
je=ns-2
DO j = 1, ns-1
DO i = 1, ew-1
ff(i,j) = fac * ff(i,j)
rd(i,j) = 0.0
END DO
END DO
iter_loop : DO iter = 1, mm
mi = iter
chimx = 0.0
DO j = 2, ns-1
DO i = 2, ew-1
chimx(j) = MAX(ABS(chi(i,j)),chimx(j))
END DO
END DO
epx = MAXVAL(chimx) * SMALLRES * 4.0 / alpha
DO j = 2, ns-2
DO i = 2, ew-2
rd(i,j) = chi(i,j+1) + chi(i,j-1) + chi(i+1,j) + chi(i-1,j) - 4.0 * chi(i,j) - ff(i,j)
chi(i,j) = chi(i,j) + rd(i,j) * alphaov4
END DO
END DO
rdmax = 0.0
DO j = 2, ns-2
DO i = 2, ew-2
rdmax(j) = MAX(ABS(rd(i,j)),rdmax(j))
END DO
END DO
IF (MAXVAL(rdmax) .lt. epx) THEN
converged = .TRUE.
EXIT iter_loop
END IF
END DO iter_loop
IF (converged ) THEN
! PRINT '(A,I5,A)','Relaxation converged in ',mi,' iterations.'
ELSE
PRINT '(A,I5,A)','Relaxation did not converge in',mm,' iterations.'
STOP 'no_converge'
END IF
do i = 2,ew-2
chi(i,ns-1) = chi(i,ns-2) !top not including corners
chi(i,1) = chi(i,2) !bottom not including corners
end do
do j = 2,ns-2
chi(ew-1,j) = chi(ew-2,j) !right side not including corners
chi(1,j) = chi(2,j) !left side not including corners
end do
!Fill in the corners
chi(1,1) = chi(2,1)
chi(ew-1,1) = chi(ew-2,1)
chi(1,ns-1) = chi(2,ns-1)
chi(ew-1,ns-1) = chi(ew-2,ns-1)
END SUBROUTINE relax
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE geowind(height,ew,ns,nz,ds,ug,vg) 1
IMPLICIT NONE
! input height geopotential on wrf mass grid points
! ns wrf staggered V dimension n-s
! ew wrf staggered U dimension e-w
! nz number of vertical levels
!
! output ug u component of geo wind on wrf staggered V points
! vg v component of geo wind on wrf staggered U points
INTEGER :: ew , ns , nz
REAL :: ds
REAL , DIMENSION(ew-1,nz,ns-1) :: height
REAL , DIMENSION(ew,nz,ns-1) :: ug
REAL , DIMENSION(ew-1,nz,ns) :: vg
REAL :: ds2r , h1 , h2 , h3 , h4, ds4r
INTEGER :: i , j , k
ds4r=1./(4.*ds)
! The height field comes in on the WRF mass points.
! ug is the derivative of height in the ns direction ug = -dheight/dy
ug(:,:,:) = -999.
do j=2,ns-2
do k=1,nz
do i=2,ew-1
h1 = height(i,k,j+1)
h2 = height(i-1,k,j+1)
h3 = height(i ,k,j-1)
h4 = height(i-1,k,j-1)
ug(i,k,j) = -( (h1 + h2) - ( h3 + h4) ) * ds4r
end do
end do
end do
do i = 2,ew-1
ug(i,:,1) = ug(i,:,2) !bottom not including corner points
ug(i,:,ns-1) = ug(i,:,ns-2) !top not including corner points
end do
do j = 2,ns-2
ug(1,:,j) = ug(2,:,j) !left side
ug(ew,:,j) = ug(ew-1,:,j) !right side
end do
ug(1,:,1) = ug(2,:,1) !Lower left hand corner
ug(1,:,ns-1) = ug(2,:,ns-1) !upper left hand corner
ug(ew,:,1) = ug(ew-1,:,1) !Lower right hand corner
ug(ew,:,ns-1) = ug(ew-1,:,ns-1) !upper right hand corner
! ug is the derivative of height in the ns direction vg = dheight/dx
vg(:,:,:) = -999.
DO j=2,ns-1
DO k=1,nz
DO i=2,ew-2
h1 = height(i+1,k,j)
h2 = height(i-1,k,j)
h3 = height(i+1,k,j-1)
h4 = height(i-1,k,j-1)
vg(i,k,j) = ( (h1 + h3) - ( h2 + h4) ) * ds4r
end do
end do
end do
do i = 2,ew-2
vg(i,:,1) = vg(i,:,2) !bottom not including corner points
vg(i,:,ns) = vg(i,:,ns-1) !top not including corner points
end do
do j = 2,ns-1
vg(1,:,j) = vg(2,:,j) !left side not including corner points
vg(ew-1,:,j) = vg(ew-2,:,j) !right side not including corner points
end do
vg(1,:,1) = vg(2,:,1) !Lower left hand corner
vg(1,:,ns) = vg(2,:,ns) !upper left hand corner
vg(ew-1,:,1) = vg(ew-2,:,1) !Lower right hand corner
vg(ew-1,:,ns) = vg(ew-2,:,ns) !upper right hand corner
END SUBROUTINE geowind
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE balance (f,psi,ew,ns,ds,out) 1
! Calculates the forcing terms in balance equation
IMPLICIT NONE
! f coriolis force
! psi stream function
! ew, ns grid points in east west, north south direction, respectively
! ds grid distance
! out output array
INTEGER :: ew , ns,nslast,ewlast,ifill
REAL , DIMENSION(ew-1,ns-1) :: f,psi,out
REAL :: ds
REAL :: psixx , psiyy , psiy , psix, psixy
REAL :: dssq , ds2 , dssq4,arg1,arg2,arg3,arg4
INTEGER :: i , j
dssq = ds * ds
ds2 = ds * 2.
dssq4 = ds * ds * 4.
!The forcing terms are calculated on the WRF mass points.
out(:,:) = -999.0
DO j=2,ns-2
DO i=2,ew-2
psiyy = ( psi(i,j+1) + psi(i,j-1) - 2.*psi(i,j) ) / dssq
psixx = ( psi(i+1,j) + psi(i-1,j) - 2.*psi(i,j) ) / dssq
psiy = ( psi(i,j+1) - psi(i,j-1) ) / ds2
psix = ( psi(i+1,j) - psi(i-1,j) ) / ds2
psixy = ( psi(i+1,j+1)+psi(i-1,j-1)-psi(i-1,j+1)-psi(i+1,j-1)) / dssq4
arg1 = f(i,j)* (psixx+psiyy)
arg2 = ( ( f(i,j+1) - f(i,j-1)) / ds2 ) * psiy
arg3 = ( ( f(i+1,j) - f(i-1,j)) / ds2 ) * psix
arg4 = 2 *(psixy*psixy-psixx*psiyy)
out(i,j)= arg1 + arg2 + arg3 - arg4
END DO
END DO
do i = 2,ew-2
out(i,ns-1) = out(i,ns-2) !top not including corners
out(i,1) = out(i,2) !bottom not including corners
end do
do j = 2,ns-2
out(ew-1,j) = out(ew-2,j) !right side not including corners
out(1,j) = out(2,j) !left side not including corners
end do
!Fill in the corners
out(1,1) = out(2,1)
out(ew-1,1) = out(ew-2,1)
out(1,ns-1) = out(2,ns-1)
out(ew-1,ns-1) = out(ew-2,ns-1)
END SUBROUTINE balance
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE qvtorh ( q , t , p , k00, ew , ns , nz , rh, min_RH_value ) 1
IMPLICIT NONE
INTEGER , INTENT(IN) :: ew , ns , nz , k00
REAL , INTENT(IN) , DIMENSION(ew-1,nz,ns-1) :: q ,t, p
REAL , INTENT(OUT) , DIMENSION(ew-1,nz,ns-1) :: rh
real min_RH_value
! Local variables.
INTEGER :: i , j , k,fill
REAL :: es
REAL :: qs
REAL :: cp = 1004.0
REAL :: svp1,svp2,svp3
REAL :: celkel
REAL :: eps
svp3 = 29.65
svp1 = 0.6112
svp2 = 17.67
celkel = 273.15
eps = 0.622
DO j = 1 , ns - 1
DO k = k00 , nz
DO i = 1 , ew -1
es = svp1 * 10. * EXP(svp2 * (t(i,k,j) - celkel ) / (t(i,k,j) - svp3 ))
qs = eps*es/(0.01*p(i,k,j) - es)
rh(i,k,j) = MIN ( 100. , MAX ( 100.*q(i,k,j)/qs , min_RH_value ) )
END DO
END DO
END DO
END SUBROUTINE qvtorh
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SUBROUTINE stagger_rankine_winds(utcp,vtcp,ew,ns,nz) 1
!utcp and vtcp are the output winds of the rankine subroutine
!The winds are calculated on the mass points of the WRF grid
!so they need to be staggered out to the WRF staggering.
!The utcp is placed on the staggered ew wind grid.
!The vtcp is placed on the staggered ns wind grid.
!ew is the full grid dimension in the ew direction.
!ns is the full grid dimension in the ns direction.
!nz is the number of vertical levels.
INTEGER :: ew, ns, nz, i,k,j
REAL utcp(ew,nz,ns-1), vtcp(ew-1,nz,ns)
!----------------------------------------------------
!Stagger UTCP
DO j=1,ns-1
DO i=2,ew-1
DO k=1,nz
utcp(i,k,j) = ( utcp(i-1,k,j) + utcp(i,k,j) ) /2
end do
end do
end do
!Fill in U's along the left and right side.
do j = 1,ns
utcp(1,:,j) = utcp(2,:,j)
utcp(ew,:,j) = utcp(ew-1,:,j)
end do
!Stagger VTCP
DO j=2,ns-1
DO i=1,ew-1
DO k=1,nz
vtcp(i,k,j) = ( vtcp(i,k,j+1) + vtcp(i,k,j-1) ) /2
end do
end do
end do
!Fill in V's along the bottom and bottom.
do i = 1,ew
vtcp(i,:,1) = vtcp(i,:,2)
vtcp(i,:,ns) = vtcp(i,:,ns-1)
end do
END SUBROUTINE stagger_rankine_winds
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine final_ew_velocity(u2,u1,chi,psi,utcr,dx,ew,ns,nz) 1,2
integer :: ew,ns,nz,i,j,k
real :: u1(ew,nz,ns-1),utcr(ew,nz,ns-1)
real :: psi(ew-1,nz,ns-1),chi(ew-1,nz,ns-1)
! input arrays:
! u1 is the original wind coming in from the metgrid file.
! utcr is the rankine winds rotated to the map projection put on u WRF staggered grid points.
! psi comes in on the WRF mass points. psi is the perturbation field
! calculated from the relaxation of the vorticity.
! chi is the relaxation of the divergent winds on WRF mass points.
! ew is the grid dimension of the WRF ew staggered wind
! ns is the grid dimension of the WRF ns staggered wind
! nz is the number of vertical levels
! dx is the grid spacing
!-------------------------------------------------------------------------------------------
real :: u2(ew,nz,ns-1)
! output array u2 is the new wind in the ew direction. Is is on WRF staggering.
!-------------------------------------------------------------------------------------------
real upos(ew,nz,ns-1),u0(ew,nz,ns-1),uchi(ew,nz,ns-1)
! upos is the derivative of psi in the ns direction u = -dpsi/dy
! u0 is the background ew velocity
! uchi is the array chi on the u staggered grid.
real :: dx,arg1,arg2
!-------------------------------------------------------------
!Take the derivative of chi in the ew direction.
uchi(:,:,:) = -999.
DO k=1,nz !start of k loop
DO j=1,ns-1
DO i=2,ew-1
uchi(i,k,j) = ( chi(i,k,j) - chi(i-1,k,j) )/dx
END DO
END DO
do j = 1,ns-1
uchi(1,k,j) = uchi(2,k,j) !fill in the left side
uchi(ew,k,j) = uchi(ew-1,k,j) !fill in the right side
end do
end do !k loop
!-----------------------------------------------------------------------------------------
! Take the derivative of psi in the ns direction.
upos(:,:,:) = -999.
DO k=1,nz
DO j=2,ns-2
DO i=2,ew-1
arg1 = psi(i,k,j+1) + psi(i-1,k,j+1)
arg2 = psi(i,k,j-1) + psi(i-1,k,j-1)
upos(i,k,j) = -( arg1 - arg2 )/(4.*dx)
END DO
END DO
do i = 2,ew-1
upos(i,k,1) = upos(i,k,2) !bottom not including corner points
upos(i,k,ns-1) = upos(i,k,ns-2) !top not including corner points
end do
do j = 1,ns-2
upos(1,k,j) = upos(2,k,j) !left side not including corners
upos(ew,k,j) = upos(ew-1,k,j) !right side not including corners
end do
upos(1,k,1) = upos(2,k,1) !Lower left hand corner
upos(1,k,ns-1) = upos(2,k,ns-1) !upper left hand corner
upos(ew,k,1) = upos(ew-1,k,1) !Lower right hand corner
upos(ew,k,ns-1) = upos(ew-1,k,ns-1) !upper right hand corner
end do !k loop for dspi/dy
!-----------------------------------------------------------------------------------------
! Background u field.
! Subtract the first quess wind field from the original winds.
do j=1,ns-1
do k=1,nz
do i=1,ew
u0(i,k,j) = u1(i,k,j)-(upos(i,k,j)+uchi(i,k,j))
end do
end do
end do
! Calculate the final velocity
do j=1,ns-1
do k=1,nz
do i=1,ew
u2(i,k,j) = u0(i,k,j)+utcr(i,k,j)
end do
end do
end do
end subroutine final_ew_velocity
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine final_ns_velocity(v2,v1,chi,psi,vtcr,dx,ew,ns,nz) 1,2
integer :: ew,ns,nz,i,j,k
real :: v1(ew-1,nz,ns),vtcr(ew-1,nz,ns)
real :: psi(ew-1,nz,ns-1),chi(ew-1,nz,ns-1)
! input arrays:
! v1 is the original wind coming in from the metgrid file.
! vtcr is the is the rankine winds rotated to the map projection put on v WRF staggered grid points.
! psi comes on the WRF mass points. psi is the perturbation field
! calculated from the relaxation of the vorticity.
! chi is the relaxation of the divergent winds on WRF mass points.
! ew is the grid dimension of the WRF ew staggered wind
! ns is the grid dimension of the WRF ns staggered wind
! nz is the number of vertical levels
real :: v2(ew-1,nz,ns)
! output array v2 is the new wind in the ns direction. Is is on WRF staggering.
real vpos(ew-1,nz,ns),v0(ew-1,nz,ns),vchi(ew-1,nz,ns)
! vpos is the derivative of psi in the ew direction v = dpsi/dx
! v0 is the background ns velocity
! vchi is the relaxation of the divergent wind put on v WRF staggered grid points.
real :: dx,arg1,arg2
!-----------------------------------------------------------------------------------------
vchi(:,:,:) = -999.0
!The derivative dchi in the ns direction.
do k = 1,nz
DO j=2,ns-1
DO i=1,ew-1
vchi(i,k,j) = ( chi(i,k,j) - chi(i,k,j-1))/dx
END DO
END DO
do i = 1,ew-1
vchi(i,k,1) = vchi(i,k,2)
vchi(i,k,ns) = vchi(i,k,ns-1)
end do
end do !end of k loop
!-----------------------------------------------------------------------------------------
!Take the derivative of psi in the ew direction.
vpos(:,:,:) = -999.
DO k=1,nz
DO j=2,ns-1
DO i=2,ew-2
arg1 = psi(i+1,k,j) + psi(i+1,k,j-1)
arg2 = psi(i-1,k,j) + psi(i-1,k,j-1)
vpos(i,k,j) = ( arg1 - arg2 )/(4.*dx)
END DO
END DO
do i = 2,ew-2
vpos(i,k,1) = vpos(i,k,2) !bottom not including corner points
vpos(i,k,ns) = vpos(i,k,ns-1) !top not including corner points
end do
do j = 1,ns
vpos(1,k,j) = vpos(2,k,j) !left side not including corner points
vpos(ew-1,k,j) = vpos(ew-2,k,j) !right side not including corner points
end do
vpos(1,k,1) = vpos(2,k,1) !Lower left hand corner
vpos(1,k,ns) = vpos(2,k,ns) !upper left hand corner
vpos(ew-1,k,1) = vpos(ew-2,k,1) !Lower right hand corner
vpos(ew-1,k,ns) = vpos(ew-2,k,ns) !upper right hand corner
END DO!k loop for dspi/dx
do j=1,ns
do k=1,nz
do i=1,ew-1
v0(i,k,j) = v1(i,k,j)-(vpos(i,k,j)+vchi(i,k,j))
if( v0(i,k,j) .gt. 100.) then
print *,vchi(i,k,j),i,k,j
stop
end if
end do
end do
end do
! Calculate the final velocity
do j=1,ns
do k=1,nz
do i=1,ew-1
v2(i,k,j) = v0(i,k,j)+vtcr(i,k,j)
end do
end do
end do
end subroutine final_ns_velocity
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine final_RH(rh2,rh0,rhmx,strmci,strmcj,rmax_nstrm,ew,ns,nz,k00, & 1
dx,ew_gcntr,ns_gcntr,r_vor2)
integer :: ew,ns,nz
real :: rh2(ew-1,nz,ns-1) !The final output relative humidity.
real :: rh0(ew-1,nz,ns-1) !First quess rh read from the metgrid input file.
real :: rhmx(nz)
real :: ew_gcntr !ew grid center as returned from the map projection routines.
real :: ns_gcntr !ns grid center as returned from the map projection routines.
real :: dx !grid spacing
real :: rmax_nstrm
!Local real variables
real :: sum_rh,avg_rh,rh_min,rhbkg,rhbog,r_ratio
real :: rad
real :: rhtc(ew-1,nz,ns-1)
integer :: nct,k00,i,j,k,ew_mvc,ns_mvc
integer :: strmci(nz), strmcj(nz)
!-----------------------------------------------------------------------
DO k=k00,nz
rh_max= rhmx(k)
ew_mvc = strmci(k)
ns_mvc = strmcj(k)
sum_rh = 0.
nct = 0
DO j=1,ns-1
DO i=1,ew-1
rad = SQRT(REAL(i-ew_mvc)**2.+REAL(j-ns_mvc)**2.)*dx
IF ( (rad .LT. r_vor2).AND.(rad .GE. 0.8*r_vor2) ) THEN
sum_rh = sum_rh + rh0(i,k,j)
nct = nct + 1
END IF
END DO
END DO
avg_rh = sum_rh/MAX(REAL(nct),1.)
DO j=1,ns-1
DO i=1,ew-1
rh_min = avg_rh
rad = SQRT((REAL(i)-ew_gcntr)**2.+(REAL(j)-ns_gcntr)**2.)*dx
IF ( rad .LE. rmax_nstrm ) THEN
rhtc(i,k,j) = rh_max
ELSE
rhtc(i,k,j) = (rmax_nstrm/rad)*rh_max+(1.-(rmax_nstrm/rad))*rh_min
END IF
END DO
END DO
END DO
! New RH.
DO j=1,ns-1
DO k=k00,nz
DO i=1,ew-1
rhbkg = rh0(i,k,j)
rhbog = rhtc(i,k,j)
rad = SQRT((REAL(i)-ew_mvc)**2.+(REAL(j)-ns_mvc)**2.)*dx
IF ( (rad.GT.rmax_nstrm) .AND. (rad.LE.r_vor2) ) THEN
r_ratio = (rad-rmax_nstrm)/(r_vor2-rmax_nstrm)
rh2(i,k,j) = ((1.-r_ratio)*rhbog) + (r_ratio*rhbkg)
ELSE IF (rad .LE. rmax_nstrm ) THEN
rh2(i,k,j) = rhbog
ELSE
rh2(i,k,j) = rhbkg
END IF
END DO
END DO
END DO
end subroutine final_RH
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!