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WRF3D_pp.F90
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WRF3D_pp.F90
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! #############################################################################
!
! The purpose of this program is to post-process WRF 3D data. Non-standard WRF
! outputs (e.g IVT and freezing-level height) are computed and output to a
! netCDF file. Inputs/Outputs controlled by input_namelist, wrf3d_pp_nl.txt.
!
! Dustin Swales (4/2017) - Initial version (dustin.swales@noaa.gov)
!
! To compile:
! ifort -I/usr/local/ifort/include -L/usr/local/ifort/lib -lnetcdff WRF3D_pp.F90 -o WRF3D_pp.o
!
! #############################################################################
program WRF3D_pp
use netcdf
implicit none
! Parameters
character(len=128),parameter :: &
input_namelist = 'wrf3d_pp_nl.txt'
real,parameter :: &
output_fill_value = -999.
! Namelist
character(len=256) :: &
fileIN, & ! Input file
fileOUT ! Output file
logical :: &
verbose, & ! Turn on/off info print to screen
toa2sfc, & ! If vertical ordering is from TOA-2_SFC, set to .true.
l_ivt, & ! Compute IVT?
l_z0k, & ! Compute freezing level height?
l_smois, & ! Output soil moisture?
l_tslb, & ! Output soil temperature?
l_rainnc,& ! Extract accumulated grid-scale precipitations?
l_rainc, & ! Extract accumulated grid-scale cummulus precipitation?
l_psfc, & ! Output surface pressure?
l_tskin, & ! Output skin temperature?
l_sst, & ! Output SST?
l_snowe, & ! Output Snow water equivalent?
l_z1000, & ! Output 1000hPa geopotential?
l_z950, & ! Output 950hPa geopotential?
l_z900, & ! Output 900hPa geopotential?
l_z850, & ! Output 850hPa geopotential?
l_z800, & ! Output 800hPa geopotential?
l_z750, & ! Output 750hPa geopotential?
l_z700, & ! Output 700hPa geopotential?
l_z600, & ! Output 600hPa geopotential?
l_z500, & ! Output 500hPa geopotential?
l_z250, & ! Output 250hPa geopotential?
l_q1000, & ! Output 1000hPa specific-humidity?
l_q950, & ! Output 950hPa specific-humidity?
l_q900, & ! Output 900hPa specific-humidity?
l_q850, & ! Output 850hPa specific-humidity?
l_q800, & ! Output 800hPa specific-humidity?
l_q750, & ! Output 750hPa specific-humidity?
l_q700, & ! Output 700hPa specific-humidity?
l_q600, & ! Output 600hPa specific-humidity?
l_q500, & ! Output 500hPa specific-humidity?
l_q250, & ! Output 250hPa specific-humidity?
l_q2m, & ! Output 2m specific-humidity?
l_u1000, & ! Output 1000hPa U-component of wind?
l_u950, & ! Output 950hPa U-component of wind?
l_u900, & ! Output 900hPa U-component of wind?
l_u850, & ! Output 850hPa U-component of wind?
l_u800, & ! Output 800hPa U-component of wind?
l_u750, & ! Output 750hPa U-component of wind?
l_u700, & ! Output 700hPa U-component of wind?
l_u600, & ! Output 600hPa U-component of wind?
l_u500, & ! Output 500hPa U-component of wind?
l_u250, & ! Output 250hPa U-component of wind?
l_u10m, & ! Output 10m U-component of wind?
l_v1000, & ! Output 1000hPa V-component of wind?
l_v950, & ! Output 950hPa V-component of wind?
l_v900, & ! Output 900hPa V-component of wind?
l_v850, & ! Output 850hPa V-component of wind?
l_v800, & ! Output 800hPa V-component of wind?
l_v750, & ! Output 750hPa V-component of wind?
l_v700, & ! Output 700hPa V-component of wind?
l_v600, & ! Output 600hPa V-component of wind?
l_v500, & ! Output 500hPa V-component of wind?
l_v250, & ! Output 250hPa V-component of wind?
l_v10m, & ! Output 10m V-component of wind?
l_t1000, & ! Output 1000hPa temperature?
l_t950, & ! Output 950hPa temperature?
l_t900, & ! Output 900hPa temperature?
l_t850, & ! Output 850hPa temperature?
l_t800, & ! Output 800hPa temperature?
l_t750, & ! Output 750hPa temperature?
l_t700, & ! Output 700hPa temperature?
l_t600, & ! Output 600hPa temperature?
l_t500, & ! Output 500hPa temperature?
l_t250, & ! Output 250hPa temperature?
l_t2m ! Output 2m temperature?
namelist/nmlist/fileIN, fileOUT, verbose, toa2sfc, l_ivt, l_z0k, l_smois, l_tslb, l_rainnc, &
l_rainc, l_psfc, l_tskin, l_sst,l_snowe, &
l_z1000, l_z950, l_z900, l_z850, l_z800, l_z750, l_z700, l_z600, l_z500, l_z250, &
l_q1000, l_q950, l_q900, l_q850, l_q800, l_q750, l_q700, l_q600, l_q500, l_q250, l_q2m, &
l_u1000, l_u950, l_u900, l_u850, l_u800, l_u750, l_u700, l_u600, l_u500, l_u250, l_u10m, &
l_v1000, l_v950, l_v900, l_v850, l_v800, l_v750, l_v700, l_v600, l_v500, l_v250, l_v10m, &
l_t1000, l_t950, l_t900, l_t850, l_t800, l_t750, l_t700, l_t600, l_t500, l_t250, l_t2m
! WRF fields
integer :: &
nTime, & ! WRF file dimension: Number of times
nLon, & ! WRF file dimension: Number of longitudes
nLat, & ! WRF file dimension: Number of latitudes
nLev, & ! WRF file dimension: Number of vertical levels
nLon_stag, & ! WRF file dimension: Number of longitudes (staggerd grid)
nLat_stag, & ! WRF file dimension: Number of latitude (staggerd grid)
nLev_stag, & ! WRF file dimension: Number of vertical levels (staggerd grid)
DateStrLen,& ! WRF file dimension: String length for date.
nSoil_stag ! WRF file dimension: Number of soil layers (staggered grid)
real,dimension(:,:,:,:),allocatable :: &! WRF NAME UNITS
q, & ! WRF input field: Water vapor mixing ratio (QVAPOR) (kg/kg)
u, & ! WRF input field: Zonal component of the wind (U) (m/s)
v, & ! WRF input field: Meridional component of the wind (V) (m/s)
pp, & ! WRF input field: Pertubation pressure (P) (Pa)
pb, & ! WRF input field: Base state pressure (PB) (Pa)
ta, & ! WRF input field: Pertubation potential temp. (T) (K)
ph, & ! WRF input field: Pertubation geopotential (PH) (m2/s2)
phb, & ! WRF input field: Base-state geopotential (PHB) (m2/s2)
smois, & ! WRF input field: Soil mosisture (SMOIS) (m3/m3)
tslb ! WRF input field: Soil temperature (TSLB) (K)
real,dimension(:,:,:),allocatable :: &
lon, & ! WRF input field: Longitude (XLONG) (degree_east)
lat, & ! WRF input field: Latitude (XLAT) (degree_north)
lon_u, & ! WRF input field: Longitude (staggerd u-grid) (XLONG_U) (degree_east)
lat_u, & ! WRF input field: Latitude (staggerd u-grid) (XLAT_U) (degree_north)
lon_v, & ! WRF input field: Longitude (staggerd v-grid) (XLONG_V) (degree_east)
lat_v, & ! WRF input field: Latitude (staggerd v-grid) (XLAT_V) (degree_north)
psfc, & ! WRF input field: Surface pressure (PSFC) (Pa)
t2m, & ! WRF input field: Temperature @ 2m (T2) (K)
q2m, & ! WRF input field: Specific humidity @ 2m (Q2) (kg/kg)
tsk, & ! WRF input field: Skin temperature (TSK) (K)
sst, & ! WRF input field: SST (SNOW (kg/m2)
snowe, & ! WRF input field: SNOW (SST) (K)
v10m, & ! WRF input field: v-wind @ 10m (U10) (m/s)
u10m, & ! WRF input field: v-wind @ 10m (V10) (m/s)
terrainZ ! WRF input field: Terrain height (HGT) (m)
real,dimension(:),allocatable :: &
t00, & ! WRF input field: Base state temperature (T00) (K)
zs ! WRF input field: Soil levels (ZS) (m)
character(len=19),dimension(:),allocatable :: &
times ! WRF file time.
integer,dimension(:),allocatable :: &
year, & ! WRF data year
month, & ! WRF data month
day, & ! WRF data day
hour ! WRF data hour
! Local fields
real,dimension(:,:,:,:),allocatable :: &
p, & ! WRF pressue (computed from pp and pb) (pa)
hgt ! WRF heights (computed from ph and phb) (m)
real,dimension(:,:,:),allocatable :: &
ivtU, & ! WRF IVT (u-component) (kg/m/s)
ivtV, & ! WRF IVT (v-component) (kg/m/s)
z0k, & ! WRF Freezing level height (m)
rainnc, & ! WRF total precipitaion (mm)
rainc, & ! WRF total cummulus precipitaion (mm)
z1000, & ! WRF geopotential height @ 1000hPa (m)
z950, & ! WRF geopotential height @ 950hPa (m)
z900, & ! WRF geopotential height @ 900hPa (m)
z850, & ! WRF geopotential height @ 850hPa (m)
z800, & ! WRF geopotential height @ 800hPa (m)
z750, & ! WRF geopotential height @ 750hPa (m)
z700, & ! WRF geopotential height @ 700hPa (m)
z600, & ! WRF geopotential height @ 600hPa (m)
z500, & ! WRF geopotential height @ 500hPa (m)
z250, & ! WRF geopotential height @ 2500hPa (m)
q1000, & ! WRF specific-humidity @ 1000hPa (kg/kg)
q950, & ! WRF specific-humidity @ 950hPa (kg/kg)
q900, & ! WRF specific-humidity @ 900hPa (kg/kg)
q850, & ! WRF specific-humidity @ 850hPa (kg/kg)
q800, & ! WRF specific-humidity @ 800hPa (kg/kg)
q750, & ! WRF specific-humidity @ 750hPa (kg/kg)
q700, & ! WRF specific-humidity @ 700hPa (kg/kg)
q600, & ! WRF specific-humidity @ 600hPa (kg/kg)
q500, & ! WRF specific-humidity @ 500hPa (kg/kg)
q250, & ! WRF specific-humidity @ 250hPa (kg/kg)
u1000, & ! WRF u-wind @ 1000hPa (m/s)
u950, & ! WRF u-wind @ 950hPa (m/s)
u900, & ! WRF u-wind @ 900hPa (m/s)
u850, & ! WRF u-wind @ 850hPa (m/s)
u800, & ! WRF u-wind @ 800hPa (m/s)
u750, & ! WRF u-wind @ 750hPa (m/s)
u700, & ! WRF u-wind @ 700hPa (m/s)
u600, & ! WRF u-wind @ 600hPa (m/s)
u500, & ! WRF u-wind @ 500hPa (m/s)
u250, & ! WRF u-wind @ 250hPa (m/s)
v1000, & ! WRF v-wind @ 1000hPa (m/s)
v950, & ! WRF v-wind @ 950hPa (m/s)
v900, & ! WRF v-wind @ 900hPa (m/s)
v850, & ! WRF v-wind @ 850hPa (m/s)
v800, & ! WRF v-wind @ 800hPa (m/s)
v750, & ! WRF v-wind @ 750hPa (m/s)
v700, & ! WRF v-wind @ 700hPa (m/s)
v600, & ! WRF v-wind @ 600hPa (m/s)
v500, & ! WRF v-wind @ 500hPa (m/s)
v250, & ! WRF v-wind @ 250hPa (m/s)
t1000, & ! WRF temperature @ 1000hPa (K)
t950, & ! WRF temperature @ 950hPa (K)
t900, & ! WRF temperature @ 900hPa (K)
t850, & ! WRF temperature @ 850hPa (K)
t800, & ! WRF temperature @ 800hPa (K)
t750, & ! WRF temperature @ 750hPa (K)
t700, & ! WRF temperature @ 700hPa (K)
t600, & ! WRF temperature @ 600hPa (K)
t500, & ! WRF temperature @ 500hPa (K)
t250 ! WRF temperature @ 250hPa (K)
integer,dimension(:,:,:) ,allocatable:: &
i_rainnc, & ! WRF total precipitaion bucket (1)
i_rainc ! WRF total cummulus precipitaion bucket (1)
integer,dimension(80) :: dimID,varIDout
character(len=19) :: tempTime
integer :: status,fileID,varID,ii,ij,ik,il
real,dimension(:),allocatable :: ui,vi,temp,phm,a,b
real :: wt1,dp,wt2,Bucket_size
integer,dimension(1) :: xi,xf
! By default, turn all output to off.
logical :: &
lread_QVAPOR = .false., &
lread_Q2M = .false., &
lread_U = .false., &
lread_U10 = .false., &
lread_V10 = .false., &
lread_V = .false., &
lread_PSFC = .false., &
lread_PB = .false., &
lread_P = .false., &
lread_PH = .false., &
lread_PHB = .false., &
lread_T = .false., &
lread_T00 = .false., &
lread_T2M = .false., &
lread_TSK = .false., &
lread_HGT = .false., &
lread_ZS = .false., &
lread_SMOIS = .false., &
lread_TSLB = .false., &
lread_RAINNC = .false., &
lread_RAINC = .false., &
lread_SST = .false., &
lread_SNOWE = .false.
! #############################################################################
! A) Read in namelist
! #############################################################################
open(10,file=trim(input_namelist),status='unknown')
read(10,nml=nmlist)
close(10)
! #############################################################################
! B) What WRF fields need to be read in?
! #############################################################################
if (l_ivt) then
lread_QVAPOR = .true.
lread_U = .true.
lread_V = .true.
lread_PSFC = .true.
lread_PB = .true.
lread_P = .true.
endif
if (l_z0k) then
lread_T = .true.
lread_T00 = .true.
lread_HGT = .true.
lread_PB = .true.
lread_P = .true.
lread_PH = .true.
lread_PHB = .true.
endif
if (l_smois) then
lread_ZS = .true.
lread_SMOIS = .true.
endif
if (l_tslb) then
lread_ZS = .true.
lread_TSLB = .true.
endif
if (l_u10m) then
lread_U10 = .true.
endif
if (l_v10m) then
lread_V10 = .true.
endif
if (l_q2m) then
lread_Q2M = .true.
endif
if (l_t2m) then
lread_T2M = .true.
endif
if (l_rainnc) then
Lread_RAINNC = .true.
endif
if (l_rainc) then
Lread_RAINC = .true.
endif
if (l_tskin) then
Lread_TSK = .true.
endif
if (l_sst) then
Lread_SST = .true.
endif
if (l_snowe) then
Lread_SNOWE = .true.
endif
if (any([l_z1000,l_z950,l_z900,l_z850,l_z800,l_z750,l_z700,l_z600,l_z500,l_z250])) then
lread_PB = .true.
lread_P = .true.
lread_PH = .true.
lread_PHB = .true.
lread_HGT = .true.
lread_PSFC = .true.
endif
if (any([l_q1000,l_q950,l_q900,l_q850,l_q800,l_q750,l_q700,l_q600,l_q500,l_q250])) then
lread_QVAPOR = .true.
lread_PB = .true.
lread_P = .true.
lread_PSFC = .true.
lread_HGT = .true.
endif
if (any([l_u1000,l_u950,l_u900,l_u850,l_u800,l_u750,l_u700,l_u600,l_u500,l_u250])) then
lread_U = .true.
lread_PSFC = .true.
lread_HGT = .true.
endif
if (any([l_v1000,l_v950,l_v900,l_v850,l_v800,l_v750,l_v700,l_v600,l_v500,l_v250])) then
lread_V = .true.
lread_PSFC = .true.
lread_HGT = .true.
endif
if (any([l_t1000,l_t950,l_t900,l_t850,l_t800,l_t750,l_t700,l_t600,l_t500,l_t250])) then
lread_T = .true.
lread_T00 = .true.
lread_PB = .true.
lread_P = .true.
lread_PSFC = .true.
lread_HGT = .true.
endif
! #############################################################################
! C) Data ingest
! #############################################################################
if (verbose) print*,'Reading in data ....'
! 0) Open file
status = nf90_open(trim(fileIN),nf90_NoWrite,fileID)
if (status /= nf90_NoErr) then
print*,'ERROR: Cannot open input file ',trim(fileIN)
print*,'EXITING!!!'
goto 101
end if
! 1) Get dimensions
! "Time"
status = nf90_inq_dimid(fileID,"Time",dimID(1))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, Time'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(1),len=nTime)
endif
! "west_east"
status = nf90_inq_dimid(fileID,"west_east",dimID(2))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, west_east'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(2),len=nLon)
endif
! "south_north"
status = nf90_inq_dimid(fileID,"south_north",dimID(3))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, south_north'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(3),len=nLat)
endif
! "bottom_top"
status = nf90_inq_dimid(fileID,"bottom_top",dimID(4))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, bottom_top'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(4),len=nLev)
endif
! "west_east_stag"
status = nf90_inq_dimid(fileID,"west_east_stag",dimID(5))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, west_east_stag'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(5),len=nLon_stag)
endif
! "south_north_stag"
status = nf90_inq_dimid(fileID,"south_north_stag",dimID(6))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, south_north_stag'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(6),len=nLat_stag)
endif
! "bottom_top_stag"
status = nf90_inq_dimid(fileID,"bottom_top_stag",dimID(7))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, bottom_top_stag'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(7),len=nLev_stag)
endif
! "soil_layers_stag"
status = nf90_inq_dimid(fileID,"soil_layers_stag",dimID(8))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, soil_layers_stag'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(8),len=nSoil_stag)
endif
! "DateStrLen"
status = nf90_inq_dimid(fileID,"soil_layers_stag",dimID(9))
if (status /= nf90_NoErr) print*,'ERROR: Dimension not present in file, DateStrLen'
if (status == nf90_NoErr) then
status = nf90_inquire_dimension(fileID,dimID(9),len=DateStrLen)
endif
! 2) Read in fields
! Times
status = nf90_inq_varid(fileID,"Times",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, Times'
if (status == nf90_NoErr) then
allocate(times(nTime),year(nTime),month(nTime),day(nTime),hour(nTime))
status = nf90_get_var(fileID,varID,times)
! Pull out year, month, day and hour from timestamp
do ij=1,nTime
tempTime = times(ij)
call str2int(tempTime(1:4), year(ij), stat=status)
call str2int(tempTime(6:7), month(ij),stat=status)
call str2int(tempTime(9:10), day(ij), stat=status)
call str2int(tempTime(12:13),hour(ij), stat=status)
end do
endif
! Longitude
status = nf90_inq_varid(fileID,"XLONG",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLONG'
if (status == nf90_NoErr) then
allocate(lon(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,lon)
endif
! Latitude
status = nf90_inq_varid(fileID,"XLAT",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLAT'
if (status == nf90_NoErr) then
allocate(lat(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,lat)
endif
! Longitude (staggered in zonal)
status = nf90_inq_varid(fileID,"XLONG_U",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLONG_U'
if (status == nf90_NoErr) then
allocate(lon_u(nLon_stag,nLat,nTime))
status = nf90_get_var(fileID,varID,lon_u)
endif
! Latitude (staggered in zonal)
status = nf90_inq_varid(fileID,"XLAT_U",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLAT_U'
if (status == nf90_NoErr) then
allocate(lat_u(nLon_stag,nLat,nTime))
status = nf90_get_var(fileID,varID,lat_u)
endif
! Longitude (staggered in meridional)
status = nf90_inq_varid(fileID,"XLONG_V",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLONG_V'
if (status == nf90_NoErr) then
allocate(lon_v(nLon,nLat_stag,nTime))
status = nf90_get_var(fileID,varID,lon_v)
endif
! Latitude (staggered in meridional)
status = nf90_inq_varid(fileID,"XLAT_V",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, XLAT_V'
if (status == nf90_NoErr) then
allocate(lat_v(nLon,nLat_stag,nTime))
status = nf90_get_var(fileID,varID,lat_v)
endif
! Only read in fields which are required for requested computations.
if (lread_QVAPOR) then
! Water vapor mixing-ratio.
status = nf90_inq_varid(fileID,"QVAPOR",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, QVAPOR'
if (status == nf90_NoErr) then
allocate(q(nLon,nLat,nLev,nTime))
status = nf90_get_var(fileID,varID,q,count=(/nLon,nLat,nLev,nTime/))
endif
endif
if (lread_U) then
! Eastward component of wind
status = nf90_inq_varid(fileID,"U",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, U'
if (status == nf90_NoErr) then
allocate(u(nLon_stag,nLat,nLev,nTime))
status = nf90_get_var(fileID,varID,u,count=(/nLon_stag,nLat,nLev,nTime/))
endif
endif
if (lread_V) then
! Northward component of wind
status = nf90_inq_varid(fileID,"V",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, V'
if (status == nf90_NoErr) then
allocate(v(nLon,nLat_stag,nLev,nTime))
status = nf90_get_var(fileID,varID,v,count=(/nLon,nLat_stag,nLev,nTime/))
endif
endif
if (lread_PSFC) then
! Surface pressure
status = nf90_inq_varid(fileID,"PSFC",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, PSFC'
if (status == nf90_NoErr) then
allocate(psfc(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,psfc,count=(/nLon,nLat,nTime/))
endif
endif
if (lread_T00) then
! Base temperature
status = nf90_inq_varid(fileID,"T00",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, T00'
if (status == nf90_NoErr) then
allocate(t00(nTime))
status = nf90_get_var(fileID,varID,t00)
endif
endif
if (lread_T) then
! Temperature
status = nf90_inq_varid(fileID,"T",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, T'
if (status == nf90_NoErr) then
allocate(ta(nLon,nLat,nLev,nTime))
status = nf90_get_var(fileID,varID,ta,count=(/nLon,nLat,nLev,nTime/))
endif
endif
if (lread_HGT) then
! Terrain height
status = nf90_inq_varid(fileID,"HGT",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, HGT'
if (status == nf90_NoErr) then
allocate(terrainZ(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,terrainZ)
endif
endif
if (lread_PB) then
! Base state (reference) pressure
status = nf90_inq_varid(fileID,"PB",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, PB'
if (status == nf90_NoErr) then
allocate(pb(nLon,nLat,nLev,nTime))
status = nf90_get_var(fileID,varID,pb,count=(/nLon,nLat,nLev,nTime/))
endif
endif
if (lread_P) then
! Pertubation pressure
status = nf90_inq_varid(fileID,"P",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, P'
if (status == nf90_NoErr) then
allocate(pp(nLon,nLat,nLev,nTime))
status = nf90_get_var(fileID,varID,pp,count=(/nLon,nLat,nLev,nTime/))
endif
endif
if (lread_PHB) then
! Base state (reference) height
status = nf90_inq_varid(fileID,"PHB",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, PHB'
if (status == nf90_NoErr) then
allocate(phb(nLon,nLat,nLev_stag,nTime))
status = nf90_get_var(fileID,varID,phb,count=(/nLon,nLat,nLev_stag,nTime/))
endif
endif
if (lread_PH) then
! Pertubation height
status = nf90_inq_varid(fileID,"PH",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, PH'
if (status == nf90_NoErr) then
allocate(ph(nLon,nLat,nLev_stag,nTime))
status = nf90_get_var(fileID,varID,ph,count=(/nLon,nLat,nLev_stag,nTime/))
endif
endif
if (lread_ZS) then
! Soil depth (staggered in vertical)
status = nf90_inq_varid(fileID,"ZS",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, ZS'
if (status == nf90_NoErr) then
allocate(zs(nSoil_stag))
status = nf90_get_var(fileID,varID,zs,count=(/nSoil_stag,1/))
endif
endif
if (lread_SMOIS) then
! Soil moisture
status = nf90_inq_varid(fileID,"SMOIS",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, SMOIS'
if (status == nf90_NoErr) then
allocate(smois(nLon,nLat,nSoil_stag,nTime))
status = nf90_get_var(fileID,varID,smois)
endif
endif
if (lread_TSLB) then
! Soil temperature
status = nf90_inq_varid(fileID,"TSLB",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, TSLB'
if (status == nf90_NoErr) then
allocate(tslb(nLon,nLat,nSoil_stag,nTime))
status = nf90_get_var(fileID,varID,tslb)
endif
endif
if (lread_RAINNC) then
! Accumulated total grid scale precipitaiton.
status = nf90_inq_varid(fileID,"RAINNC",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, RAINNC'
if (status == nf90_NoErr) then
allocate(rainnc(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,rainnc)
endif
! Bucket count
status = nf90_inq_varid(fileID,"I_RAINNC",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, I_RAINNC'
if (status == nf90_NoErr) then
allocate(i_rainnc(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,i_rainnc)
endif
! Read in global attribute desribing "bucket size"
status = nf90_get_att(fileID, NF90_GLOBAL, "BUCKET_MM", bucket_size)
if (status /= nf90_NoErr) then
print*,'ERROR: Requested global attribute not in file, BUCKET_MM, setting to default vaule of 100. mm'
bucket_size = 100.
endif
! Compute precipitation.
where(i_rainnc .gt. 0) rainnc = rainnc+i_rainnc*bucket_size
endif
if (lread_RAINC) then
! Accumulated total grid scale cummulus precipitaiton.
status = nf90_inq_varid(fileID,"RAINC",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, RAINC'
if (status == nf90_NoErr) then
allocate(rainc(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,rainc)
endif
! Bucket count
status = nf90_inq_varid(fileID,"I_RAINC",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, I_RAINC'
if (status == nf90_NoErr) then
allocate(i_rainc(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,i_rainc)
endif
! Read in global attribute desribing "bucket size"
status = nf90_get_att(fileID, NF90_GLOBAL, "BUCKET_MM", bucket_size)
if (status /= nf90_NoErr) then
print*,'ERROR: Requested global attribute not in file, BUCKET_MM, setting to default vaule of 100. mm'
bucket_size = 100.
endif
! Compute precipitation.
where(i_rainc .gt. 0) rainc = rainc+i_rainc*bucket_size
endif
if (lread_T2M) then
! Temperature @ 2 meters
status = nf90_inq_varid(fileID,"T2",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, T2'
if (status == nf90_NoErr) then
allocate(t2m(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,t2m)
endif
endif
if (lread_Q2M) then
! Temperature @ 2 meters
status = nf90_inq_varid(fileID,"Q2",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, Q2'
if (status == nf90_NoErr) then
allocate(q2m(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,q2m)
endif
endif
if (lread_TSK) then
! Skin temperature
status = nf90_inq_varid(fileID,"TSK",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, TSK'
if (status == nf90_NoErr) then
allocate(tsk(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,tsk)
endif
endif
if (lread_SST) then
! SST
status = nf90_inq_varid(fileID,"SST",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, SST'
if (status == nf90_NoErr) then
allocate(sst(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,sst)
endif
endif
if (lread_SNOWE) then
! SNOW
status = nf90_inq_varid(fileID,"SNOW",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, SNOW'
if (status == nf90_NoErr) then
allocate(snowe(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,snowe)
endif
endif
if (lread_U10) then
! Zonal wind @ 10 meters
status = nf90_inq_varid(fileID,"U10",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, U10'
if (status == nf90_NoErr) then
allocate(u10m(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,u10m)
endif
endif
if (lread_V10) then
! Meridional wind @ 10 meters
status = nf90_inq_varid(fileID,"V10",varID)
if (status /= nf90_NoErr) print*,'ERROR: Requested variable not in file, V10'
if (status == nf90_NoErr) then
allocate(v10m(nLon,nLat,nTime))
status = nf90_get_var(fileID,varID,v10m)
endif
endif
! 4) Close file
status=nf90_close(fileID)
if (status /= nf90_NoErr) print*,'ERROR: Could not close file, ',trim(fileiN)
if (verbose) print*,'Finished reading in data'
! #############################################################################
! Part B: Computations.
! #############################################################################
! Compute pressure and height.
if (allocated(pb) .and. allocated(pp)) then
allocate(p(nLon,nLat,nLev,nTime))
p = pb+pp
endif
if (allocated(ph) .and. allocated(phb)) then
allocate(hgt(nLon,nLat,nLev_stag,nTime))
hgt = (ph+phb)/9.8
endif
! Allocate space.
allocate(ui(nLev),vi(nLev),temp(nLev),phm(nLev))
if (l_ivt) allocate(ivtU(nLon, nLat, nTime))
if (l_ivt) allocate(ivtV(nLon, nLat, nTime))
if (l_z0k) allocate(z0k( nLon, nLat, nTime))
if (l_z1000) then
allocate(z1000(nlon, nLat, nTime))
z1000(:,:,:) = output_fill_value
endif
if (l_z950) then
allocate(z950(nLon, nLat, nTime))
z950(:,:,:) = output_fill_value
endif
if (l_z900) then
allocate(z900(nLon, nLat, nTime))
z900(:,:,:) = output_fill_value
endif
if (l_z850) then
allocate(z850(nLon, nLat, nTime))
z850(:,:,:) = output_fill_value
endif
if (l_z800) then
allocate(z800(nLon, nLat, nTime))
z800(:,:,:) = output_fill_value
endif
if (l_z750) then
allocate(z750(nLon, nLat, nTime))
z750(:,:,:) = output_fill_value
endif
if (l_z700) then
allocate(z700(nLon, nLat, nTime))
z700(:,:,:) = output_fill_value
endif
if (l_z600) then
allocate(z600(nLon, nLat, nTime))
z600(:,:,:) = output_fill_value
endif
if (l_z500) then
allocate(z500(nLon, nLat, nTime))
z500(:,:,:) = output_fill_value
endif
if (l_z250) then
allocate(z250(nLon, nLat, nTime))
z250(:,:,:) = output_fill_value
endif
if (l_q1000) then
allocate(q1000(nlon, nLat, nTime))
q1000(:,:,:) = output_fill_value
endif
if (l_q950) then
allocate(q950(nLon, nLat, nTime))
q950(:,:,:) = output_fill_value
endif
if (l_q900) then
allocate(q900(nLon, nLat, nTime))
q900(:,:,:) = output_fill_value
endif
if (l_q850) then
allocate(q850(nLon, nLat, nTime))
q850(:,:,:) = output_fill_value
endif
if (l_q800) then
allocate(q800(nLon, nLat, nTime))
q800(:,:,:) = output_fill_value
endif
if (l_q750) then
allocate(q750(nLon, nLat, nTime))
q750(:,:,:) = output_fill_value
endif
if (l_q700) then
allocate(q700(nLon, nLat, nTime))
q700(:,:,:) = output_fill_value
endif
if (l_q600) then
allocate(q600(nLon, nLat, nTime))
q600(:,:,:) = output_fill_value
endif
if (l_q500) then
allocate(q500(nLon, nLat, nTime))
q500(:,:,:) = output_fill_value
endif
if (l_q250) then
allocate(q250(nLon, nLat, nTime))
q250(:,:,:) = output_fill_value
endif
if (l_u1000) then
allocate(u1000(nlon, nLat, nTime))
u1000(:,:,:) = output_fill_value
endif
if (l_u950) then
allocate(u950(nLon, nLat, nTime))
u950(:,:,:) = output_fill_value
endif
if (l_u900) then
allocate(u900(nLon, nLat, nTime))
u900(:,:,:) = output_fill_value
endif
if (l_u850) then
allocate(u850(nLon, nLat, nTime))
u850(:,:,:) = output_fill_value
endif
if (l_u800) then
allocate(u800(nLon, nLat, nTime))
u800(:,:,:) = output_fill_value
endif
if (l_u750) then
allocate(u750(nLon, nLat, nTime))
u750(:,:,:) = output_fill_value
endif
if (l_u700) then
allocate(u700(nLon, nLat, nTime))
u700(:,:,:) = output_fill_value
endif
if (l_u600) then
allocate(u600(nLon, nLat, nTime))
u600(:,:,:) = output_fill_value
endif
if (l_u500) then
allocate(u500(nLon, nLat, nTime))
u500(:,:,:) = output_fill_value
endif
if (l_u250) then
allocate(u250(nLon, nLat, nTime))
u250(:,:,:) = output_fill_value
endif
if (l_v1000) then
allocate(v1000(nlon, nLat, nTime))
v1000(:,:,:) = output_fill_value
endif
if (l_v950) then
allocate(v950(nLon, nLat, nTime))
v950(:,:,:) = output_fill_value
endif
if (l_v900) then
allocate(v900(nLon, nLat, nTime))
v900(:,:,:) = output_fill_value
endif
if (l_v850) then
allocate(v850(nLon, nLat, nTime))
v850(:,:,:) = output_fill_value
endif
if (l_v800) then
allocate(v800(nLon, nLat, nTime))
v800(:,:,:) = output_fill_value
endif
if (l_v750) then
allocate(v750(nLon, nLat, nTime))
v750(:,:,:) = output_fill_value
endif
if (l_v700) then
allocate(v700(nLon, nLat, nTime))
v700(:,:,:) = output_fill_value
endif
if (l_v600) then
allocate(v600(nLon, nLat, nTime))
v600(:,:,:) = output_fill_value
endif
if (l_v500) then
allocate(v500(nLon, nLat, nTime))
v500(:,:,:) = output_fill_value
endif
if (l_v250) then
allocate(v250(nLon, nLat, nTime))
v250(:,:,:) = output_fill_value
endif
if (l_t1000) then
allocate(t1000(nlon, nLat, nTime))
t1000(:,:,:) = output_fill_value
endif
if (l_t950) then
allocate(t950(nLon, nLat, nTime))
t950(:,:,:) = output_fill_value
endif
if (l_t900) then
allocate(t900(nLon, nLat, nTime))
t900(:,:,:) = output_fill_value
endif
if (l_t850) then
allocate(t850(nLon, nLat, nTime))
t850(:,:,:) = output_fill_value
endif
if (l_t800) then
allocate(t800(nLon, nLat, nTime))
t800(:,:,:) = output_fill_value
endif
if (l_t750) then
allocate(t750(nLon, nLat, nTime))
t750(:,:,:) = output_fill_value
endif
if (l_t700) then
allocate(t700(nLon, nLat, nTime))
t700(:,:,:) = output_fill_value
endif
if (l_t600) then
allocate(t600(nLon, nLat, nTime))
t600(:,:,:) = output_fill_value
endif
if (l_t500) then
allocate(t500(nLon, nLat, nTime))
t500(:,:,:) = output_fill_value
endif
if (l_t250) then
allocate(t250(nLon, nLat, nTime))
t250(:,:,:) = output_fill_value
endif
! Loop over all points/times.
if (verbose) print*,'Begin computations... '
do ii=1,nTime
if (verbose) write(*,"(a12,i2,a4,i2)"),' @Timestep ',ii,' of ',nTime
do ij=1,nLon
do ik=1,nLat
! If needed, put winds on mass centered grid points, in WRF the velocity components are on staggered grids.
! Eastward component of wind (on mass-centered point)
if (any([l_u1000,l_u950,l_u900,l_u850,l_u800,l_u750,l_u700,l_u600,l_u500,l_u250]) .or. l_ivt) then
wt1 = (lon_u(ij+1,ik,ii)-lon(ij,ik,ii))/(lon_u(ij+1,ik,ii)-lon_u(ij,ik,ii))
ui = wt1*u(ij,ik,:,ii)+(1-wt1)*u(ij+1,ik,:,ii)
endif
! Northward component of wind (on mass-centered point)
if (any([l_v1000,l_v950,l_v900,l_v850,l_v800,l_v750,l_v700,l_v600,l_v500,l_v250]) .or. l_ivt) then
wt1 = (lat_v(ij,ik+1,ii)-lat(ij,ik,ii)) / (lat_v(ij,ik+1,ii)-lat_v(ij,ik,ii))
vi = wt1*v(ij,ik,:,ii)+(1-wt1)*v(ij,ik+1,:,ii)
endif
! If needed, compute temperature from pertubation potential temperature.
if (any([l_t1000,l_t950,l_t900,l_t850,l_t800,l_t750,l_t700,l_t600,l_t500,l_t250]) .or. l_z0k) then
temp = (ta(ij,ik,:,ii)+t00(ii))*(101325.0/p(ij,ik,:,ii))**(-0.286)
endif
! Geopotential heights are on a staggerd vertical grid, so compute mass-
! centered geopotential height.
if (any([l_u1000,l_u950,l_u900,l_u850,l_u800,l_u750,l_u700,l_u600,l_u500,l_u250]) .or. &
any([l_v1000,l_v950,l_v900,l_v850,l_v800,l_v750,l_v700,l_v600,l_v500,l_v250]) .or. &
any([l_t1000,l_t950,l_t900,l_t850,l_t800,l_t750,l_t700,l_t600,l_t500,l_t250]) .or. &
any([l_q1000,l_q950,l_q900,l_q850,l_q800,l_q750,l_q700,l_q600,l_q500,l_q250]) .or. &
any([l_z1000,l_z950,l_z900,l_z850,l_z800,l_z750,l_z700,l_z600,l_z500,l_z250]) .or. &
l_z0k) then
phm = (hgt(ij,ik,1:nlev_stag-1,ii)+hgt(ij,ik,2:nlev_stag,ii))*0.5
endif
! ######################################################################
! Compute integrated vapor transport (IVT)
! ######################################################################
if (l_ivt) then
do il=1,nLev
! Compute pressure change across layer.
if (.not. toa2sfc) then
if (il .eq. 1) dp = psfc(ij,ik,ii)-sum(p(ij,ik,il:il+1,ii))/2. ! Bottom level
if (il .ne. 1 .and. il .ne. nLev) dp = sum(p(ij,ik,il-1:il,ii))/2.-sum(p(ij,ik,il:il+1,ii))/2. ! Middle levels
if (il .eq. nLev) dp = 0. ! Top level
else
if (il .eq. 1) dp = 0. ! Top level
if (il .ne. 1 .and. il .ne. nLev) dp = sum(p(ij,ik,il-1:il,ii))/2.-sum(p(ij,ik,il:il+1,ii))/2. ! Middle levels
if (il .eq. nLev) dp = psfc(ij,ik,ii)-sum(p(ij,ik,il:il+1,ii))/2. ! Bottom level