!------------------------------------------------------------------------- ! NOAA/NCEP, National Centers for Environmental Prediction GSI ! !------------------------------------------------------------------------- !BOP ! ! !ROUTINE: setupw --- Compute rhs of oi for wind component obs ! ! !INTERFACE: ! subroutine setupw(lunin,mype,bwork,awork,nele,nobs,is,conv_diagsave) ! !USES: use mpeu_util, only: die,perr use kinds, only: r_kind,r_single,r_double,i_kind use obsmod, only: wtail,whead,rmiss_single,perturb_obs,oberror_tune,& i_w_ob_type,obsdiags,obsptr,lobsdiagsave,nobskeep,lobsdiag_allocated,& time_offset use obsmod, only: w_ob_type use obsmod, only: obs_diag use gsi_4dvar, only: nobs_bins,hr_obsbin use qcmod, only: npres_print,ptop,pbot,dfact,dfact1 use oneobmod, only: oneobtest,oneob_type,magoberr,maginnov use gridmod, only: get_ijk,nsig,twodvar_regional,regional use guess_grids, only: nfldsig,hrdifsig,geop_hgtl,sfcmod_gfs use guess_grids, only: ges_u,ges_v,tropprs,ges_ps,ges_z,sfcmod_mm5 use guess_grids, only: ges_tv,ges_lnprsl,comp_fact10,pt_ll use constants, only: zero,half,one,tiny_r_kind,two,cg_term, & three,rd,grav,four,five,huge_single,r1000,wgtlim use constants, only: grav_ratio,flattening,deg2rad, & grav_equator,somigliana,semi_major_axis,eccentricity use jfunc, only: jiter,last,jiterstart,miter use convinfo, only: nconvtype,cermin,cermax,cgross,cvar_b,cvar_pg,ictype use convinfo, only: icsubtype use converr, only: ptabl use m_dtime, only: dtime_setup, dtime_check, dtime_show implicit none ! !INPUT PARAMETERS: integer(i_kind) ,intent(in ) :: lunin ! unit from which to read observations integer(i_kind) ,intent(in ) :: mype ! mpi task id integer(i_kind) ,intent(in ) :: nele ! number of data elements per observation integer(i_kind) ,intent(in ) :: nobs ! number of observations integer(i_kind) ,intent(in ) :: is ! ndat index logical ,intent(in ) :: conv_diagsave ! logical to save innovation dignostics ! !INPUT/OUTPUT PARAMETERS: real(r_kind),dimension(npres_print,nconvtype,5,3),intent(inout) :: bwork ! obs-ges stats real(r_kind),dimension(100+7*nsig) ,intent(inout) :: awork ! data counts and gross checks ! ! !DESCRIPTION: For wind component observations, this routine ! \begin{enumerate} ! \item reads obs assigned to given mpi task (geographic region), ! \item simulates obs from guess, ! \item apply some quality control to obs, ! \item load weight and innovation arrays used in minimization ! \item collects statistics for runtime diagnostic output ! \item writes additional diagnostic information to output file ! \end{enumerate} ! ! !REVISION HISTORY: ! ! 1990-10-06 parrish ! 1998-04-10 weiyu yang ! 1999-03-01 wu - ozone processing moved into setuprhs from setupoz ! 1999-08-24 derber, j., treadon, r., yang, w., first frozen mpp version ! 2004-06-17 treadon - update documentation ! 2004-07-15 todling - protex-compliant prologue; added intent/only's ! 2004-10-06 parrish - increase size of vwork array for nonlinear qc ! 2004-11-22 derber - remove weight, add logical for boundary point ! 2004-12-22 treadon - move logical conv_diagsave from obsmod to argument list ! 2005-03-02 dee - remove garbage from diagnostic file ! 2005-03-09 parrish - nonlinear qc change to account for inflated obs error ! 2005-05-27 derber - level output change ! 2005-07-22 jung - add modis winds ! 2005-07-27 derber - add print of monitoring and reject data ! 2005-09-28 derber - combine with prep,spr,remove tran and clean up ! 2005-10-14 derber - input grid location and fix regional lat/lon ! 2005-10-21 su - modified variational qc and diagnose output ! 2005-11-03 treadon - correct error in ilone,ilate data array indices ! 2005-11-22 wu - add option to perturb conventional obs ! 2005-11-29 derber - remove psfcg and use ges_lnps instead ! 2006-01-13 treadon - correct bugs in modis wind qc ! 2006-01-31 todling - storing wgt/wgtlim in diag file instead of wgt only ! 2006-02-02 treadon - rename lnprsl as ges_lnprsl ! 2006-02-08 treadon - correct vertical dimension (nsig) in call tintrp2a(ges_tv...) ! 2006-02-15 treadon - use height when processing type 223, 224, 229 winds ! 2006-02-24 derber - modify to take advantage of convinfo module ! 2006-03-21 treadon - modify optional perturbation to observation ! 2006-04-03 derber - fix bugs and move all surface data to height calculation ! 2006-05-30 su,derber,treadon - modify diagnostic output ! 2006-06-06 su - move to wgtlim to constants module ! 2006-07-28 derber - modify to use new inner loop obs data structure ! - modify handling of multiple data at same location ! 2006-07-31 kleist - use ges_ps instead of ln(ps) ! 2006-08-28 su - fix a bug in variational qc ! 2006-11-30 jung/sienkiewicz - add type 259 for modis winds ! 2006-10-28 su - turn off rawinsonde Vqc at south hemisphere ! 2007-03-09 su - modify observation pertabation for adjusting obs error ! 2007-03-19 tremolet - binning of observations ! 2007-03-27 li.bi - add qc for type 289 windsat winds ! 2007-06-05 tremolet - add observation diagnostics structure ! 2007-08-28 su - modify observation gross check error ! 2008-03-24 wu - oberror tuning and perturb obs ! 2008-03-31 li.bi - add qc for type 290 ascat winds ! 2008-05-20 safford - rm unused vars ! 2008-09-08 lueken - merged ed's changes into q1fy09 code ! 2008-12-03 todling - changed handle of tail%time ! 2009-08-19 guo - changed for multi-pass setup with dtime_check(). ! ! REMARKS: ! language: f90 ! machine: ibm RS/6000 SP; SGI Origin 2000; Compaq HP ! ! !AUTHOR: parrish org: np22 date: 1990-10-06 ! !EOP !------------------------------------------------------------------------- ! Declare local parameters real(r_kind),parameter:: r6=6.0_r_kind real(r_kind),parameter:: r7=7.0_r_kind real(r_kind),parameter:: r10=10.0_r_kind real(r_kind),parameter:: r15=15.0_r_kind real(r_kind),parameter:: r20=20.0_r_kind real(r_kind),parameter:: r50=50.0_r_kind real(r_kind),parameter:: r200=200.0_r_kind real(r_kind),parameter:: r400=400.0_r_kind real(r_kind),parameter:: r1e10=1.e10_r_kind character(len=*),parameter:: myname='setupw' ! Declare external calls for code analysis external:: tintrp2a external:: tintrp3 external:: grdcrd external:: stop2 ! Declare local variables real(r_double) rstation_id real(r_kind) qcu,qcv,qc_spd,qc_prs,trop5,tfact,fact real(r_kind) scale,ratio,obserror,obserrlm real(r_kind) residual,ressw,ress,val,val2,valqc2,dudiff,dvdiff real(r_kind) valqc,valu,valv,dx10,rlow,rhgh,drpx,prsfc real(r_kind) cg_w,wgross,wnotgross,wgt,arg,exp_arg,term,rat_err2 real(r_kind) presw,factw,dpres,ugesin,vgesin,rwgt,dpressave real(r_kind) sfcchk,prsln2,error,dtime,dlon,dlat,r0_001,rsig,thirty,rsigp real(r_kind) ratio_errors,goverrd,spdges,spdob,ten,psges,zsges real(r_kind) slat,sin2,termg,termr,termrg,pobl,uob,vob real(r_kind) dz,zob,z1,z2,p1,p2,dz21,dlnp21,spdb,dstn real(r_kind) errinv_input,errinv_adjst,errinv_final real(r_kind) err_input,err_adjst,err_final,skint,sfcr real(r_kind) dudiff_opp, dvdiff_opp, vecdiff, vecdiff_opp real(r_kind),dimension(nele,nobs):: data real(r_kind),dimension(nobs):: dup real(r_kind),dimension(nsig)::prsltmp,tges,zges real(r_single),allocatable,dimension(:,:)::rdiagbuf integer(i_kind) i,nchar,nreal,k,j,l,ii,itype integer(i_kind) jsig,mm1,iptrbu,iptrbv,jj integer(i_kind) k1,k2,ikxx,nn,isli,ibin,ioff integer(i_kind) ier,ilon,ilat,ipres,iuob,ivob,id,itime,ikx,ielev,iqc integer(i_kind) ihgt,ier2,iuse,ilate,ilone,istat integer(i_kind) idomsfc,isfcr,iskint,iff10 character(8) station_id character(8),allocatable,dimension(:):: cdiagbuf logical z_height,sfc_data logical,dimension(nobs):: luse,muse logical:: in_curbin, in_anybin integer(i_kind),dimension(nobs_bins) :: n_alloc integer(i_kind),dimension(nobs_bins) :: m_alloc type(w_ob_type),pointer :: my_head type(obs_diag),pointer :: my_diag equivalence(rstation_id,station_id) n_alloc(:)=0 m_alloc(:)=0 !****************************************************************************** ! Read and reformat observations in work arrays. spdb=zero read(lunin)data,luse ! index information for data array (see reading routine) ier=1 ! index of obs error ilon=2 ! index of grid relative obs location (x) ilat=3 ! index of grid relative obs location (y) ipres=4 ! index of pressure ihgt=5 ! index of height iuob=6 ! index of u observation ivob=7 ! index of v observation id=8 ! index of station id itime=9 ! index of observation time in data array ikxx=10 ! index of ob type ielev=11 ! index of station elevation iqc=12 ! index of quality mark ier2=13 ! index of original-original obs error ratio iuse=14 ! index of use parameter idomsfc=15 ! index of dominant surface type iskint=16 ! index of surface skin temperature iff10=17 ! index of 10 meter wind factor isfcr=18 ! index of surface roughness ilone=19 ! index of longitude (degrees) ilate=20 ! index of latitude (degrees) iptrbu=21 ! index of u perturbation iptrbv=22 ! index of v perturbation mm1=mype+1 scale=one rsig=nsig thirty = 30.0_r_kind ten = 10.0_r_kind r0_001=0.001_r_kind rsigp=rsig+one goverrd=grav/rd ! If requested, save select data for output to diagnostic file if(conv_diagsave)then ii=0 nchar=1 nreal=23 if (lobsdiagsave) nreal=nreal+7*miter+2 allocate(cdiagbuf(nobs),rdiagbuf(nreal,nobs)) end if do i=1,nobs muse(i)=nint(data(iuse,i)) <= jiter end do dup=one do k=1,nobs do l=k+1,nobs if(data(ilat,k) == data(ilat,l) .and. & data(ilon,k) == data(ilon,l) .and. & data(ipres,k)== data(ipres,l) .and. & data(ier,k) < r1000 .and. data(ier,l) < r1000 .and. & muse(l) .and. muse(k))then tfact=min(one,abs(data(itime,k)-data(itime,l))/dfact1) dup(k)=dup(k)+one-tfact*tfact*(one-dfact) dup(l)=dup(l)+one-tfact*tfact*(one-dfact) end if end do end do call dtime_setup() do i=1,nobs dtime=data(itime,i) call dtime_check(dtime, in_curbin, in_anybin) if(.not.in_anybin) cycle if(in_curbin) then dlat=data(ilat,i) dlon=data(ilon,i) error=data(ier2,i) ikx=nint(data(ikxx,i)) isli = data(idomsfc,i) endif ! Link observation to appropriate observation bin if (nobs_bins>1) then ibin = NINT( dtime/hr_obsbin ) + 1 else ibin = 1 endif IF (ibin<1.OR.ibin>nobs_bins) write(6,*)mype,'Error nobs_bins,ibin= ',nobs_bins,ibin ! Link obs to diagnostics structure do jj=1,2 if (.not.lobsdiag_allocated) then if (.not.associated(obsdiags(i_w_ob_type,ibin)%head)) then allocate(obsdiags(i_w_ob_type,ibin)%head,stat=istat) if (istat/=0) then write(6,*)'setupw: failure to allocate obsdiags',istat call stop2(304) end if obsdiags(i_w_ob_type,ibin)%tail => obsdiags(i_w_ob_type,ibin)%head else allocate(obsdiags(i_w_ob_type,ibin)%tail%next,stat=istat) if (istat/=0) then write(6,*)'setupw: failure to allocate obsdiags',istat call stop2(305) end if obsdiags(i_w_ob_type,ibin)%tail => obsdiags(i_w_ob_type,ibin)%tail%next end if allocate(obsdiags(i_w_ob_type,ibin)%tail%muse(miter+1)) allocate(obsdiags(i_w_ob_type,ibin)%tail%nldepart(miter+1)) allocate(obsdiags(i_w_ob_type,ibin)%tail%tldepart(miter)) allocate(obsdiags(i_w_ob_type,ibin)%tail%obssen(miter)) obsdiags(i_w_ob_type,ibin)%tail%indxglb=i obsdiags(i_w_ob_type,ibin)%tail%nchnperobs=-99999 obsdiags(i_w_ob_type,ibin)%tail%luse=.false. obsdiags(i_w_ob_type,ibin)%tail%muse(:)=.false. obsdiags(i_w_ob_type,ibin)%tail%nldepart(:)=-huge(zero) obsdiags(i_w_ob_type,ibin)%tail%tldepart(:)=zero obsdiags(i_w_ob_type,ibin)%tail%wgtjo=-huge(zero) obsdiags(i_w_ob_type,ibin)%tail%obssen(:)=zero n_alloc(ibin) = n_alloc(ibin) +1 my_diag => obsdiags(i_w_ob_type,ibin)%tail my_diag%idv = is my_diag%iob = i my_diag%ich = jj else if (.not.associated(obsdiags(i_w_ob_type,ibin)%tail)) then obsdiags(i_w_ob_type,ibin)%tail => obsdiags(i_w_ob_type,ibin)%head else obsdiags(i_w_ob_type,ibin)%tail => obsdiags(i_w_ob_type,ibin)%tail%next end if if (obsdiags(i_w_ob_type,ibin)%tail%indxglb/=i) then write(6,*)'setupw: index error' call stop2(306) end if endif if (jj==1) obsptr => obsdiags(i_w_ob_type,ibin)%tail enddo if(.not.in_curbin) cycle ! Load observation error and values into local variables obserror = max(cermin(ikx),min(cermax(ikx),data(ier,i))) uob = data(iuob,i) vob = data(ivob,i) spdob=sqrt(uob*uob+vob*vob) call tintrp2a(ges_ps,psges,dlat,dlon,dtime,hrdifsig,& 1,1,mype,nfldsig) call tintrp2a(ges_lnprsl,prsltmp,dlat,dlon,dtime,hrdifsig,& 1,nsig,mype,nfldsig) itype=ictype(ikx) ! Type 221=pibal winds contain a mixture of wind observations reported ! by pressure and others by height. Those levels only reported by ! pressure have a missing value (ie, large) value for the reported ! height. The logic below determines whether to process type 221 ! wind observations using height or pressure as the vertical coordinate. ! If height is not bad (less than 1e10), we use height in the ! forward model. Otherwise, use reported pressure. z_height = .false. if ((itype>=221 .and. itype <= 229) .and. (data(ihgt,i)=280 .and. itype < 300) .and. (.not.twodvar_regional) if (z_height .or. sfc_data) then drpx = zero dpres = data(ihgt,i) dstn = data(ielev,i) call tintrp2a(ges_z,zsges,dlat,dlon,dtime,hrdifsig,& 1,1,mype,nfldsig) ! Subtract off combination of surface station elevation and ! model elevation depending on how close to surface fact = zero if(dpres-dstn > 10._r_kind)then if(dpres-dstn > r1000)then fact = one else fact=(dpres-dstn)/990._r_kind end if end if dpres=dpres-(dstn+fact*(zsges-dstn)) ! Get guess surface elevation and geopotential height profile ! at observation location. call tintrp2a(geop_hgtl,zges,dlat,dlon,dtime,hrdifsig,& 1,nsig,mype,nfldsig) ! For observation reported with geometric height above sea level, ! convert geopotential to geometric height. if ((itype>=223 .and. itype<=228) .or. sfc_data) then ! Convert geopotential height at layer midpoints to geometric ! height using equations (17, 20, 23) in MJ Mahoney's note ! "A discussion of various measures of altitude" (2001). ! Available on the web at ! http://mtp.jpl.nasa.gov/notes/altitude/altitude.html ! ! termg = equation 17 ! termr = equation 21 ! termrg = first term in the denominator of equation 23 ! zges = equation 23 slat = data(ilate,i)*deg2rad sin2 = sin(slat)*sin(slat) termg = grav_equator * & ((one+somigliana*sin2)/sqrt(one-eccentricity*eccentricity*sin2)) termr = semi_major_axis /(one + flattening + grav_ratio - & two*flattening*sin2) termrg = (termg/grav)*termr do k=1,nsig zges(k) = (termr*zges(k)) / (termrg-zges(k)) ! eq (23) end do endif ! Given observation height, (1) adjust 10 meter wind factor if ! necessary, (2) convert height to grid relative units, (3) compute ! compute observation pressure (for diagnostic purposes only), and ! (4) compute location of midpoint of first model layer above surface ! in grid relative units ! Adjust 10m wind factor if necessary. Rarely do we have a ! profiler/vad obs within 10 meters of the surface. Almost always, ! the code below resets the 10m wind factor to 1.0 (i.e., no ! reduction in wind speed due to surface friction). ! Convert observation height (in dpres) from meters to grid relative ! units. Save the observation height in zob for later use. zob = dpres call grdcrd(dpres,1,zges,nsig,1) ! Interpolate guess u and v to observation location and time. call tintrp3(ges_u,ugesin,dlat,dlon,dpres,dtime, & hrdifsig,1,mype,nfldsig) call tintrp3(ges_v,vgesin,dlat,dlon,dpres,dtime, & hrdifsig,1,mype,nfldsig) if (zob > zges(1)) then factw=one else factw = data(iff10,i) if(sfcmod_gfs .or. sfcmod_mm5) then sfcr = data(isfcr,i) skint = data(iskint,i) call comp_fact10(dlat,dlon,dtime,skint,sfcr,isli,mype,factw) end if if (zob <= ten) then if(zob < ten)then term = max(zob,zero)/ten factw = term*factw end if else term = (zges(1)-zob)/(zges(1)-ten) factw = one-term+factw*term end if ugesin=factw*ugesin vgesin=factw*vgesin endif if(sfc_data .or. dpres < one) then drpx=0.005_r_kind*abs(dstn-zsges)*(one-fact) end if ! Compute observation pressure (only used for diagnostics) ! Set indices of model levels below (k1) and above (k2) observation. if (dpresnsig) then z1=zges(nsig-1); p1=prsltmp(nsig-1) z2=zges(nsig); p2=prsltmp(nsig) drpx = 1.e6_r_kind else k=dpres k1=min(max(1,k),nsig) k2=max(1,min(k+1,nsig)) z1=zges(k1); p1=prsltmp(k1) z2=zges(k2); p2=prsltmp(k2) endif dz21 = z2-z1 dlnp21 = p2-p1 dz = zob-z1 pobl = p1 + (dlnp21/dz21)*dz presw = ten*exp(pobl) ! Determine location in terms of grid units for midpoint of ! first layer above surface sfcchk=zero ! call grdcrd(sfcchk,1,zges,nsig,1) ! Process observations with reported pressure else dpres = data(ipres,i) presw = ten*exp(dpres) dpres = dpres-log(psges) drpx=zero prsfc=psges prsln2=log(exp(prsltmp(1))/prsfc) dpressave=dpres ! Put obs pressure in correct units to get grid coord. number dpres=log(exp(dpres)*prsfc) call grdcrd(dpres,1,prsltmp(1),nsig,-1) ! Interpolate guess u and v to observation location and time. call tintrp3(ges_u,ugesin,dlat,dlon,dpres,dtime, & hrdifsig,1,mype,nfldsig) call tintrp3(ges_v,vgesin,dlat,dlon,dpres,dtime, & hrdifsig,1,mype,nfldsig) if(dpressave <= prsln2)then factw=one else factw = data(iff10,i) if(sfcmod_gfs .or. sfcmod_mm5) then sfcr = data(isfcr,i) skint = data(iskint,i) call comp_fact10(dlat,dlon,dtime,skint,sfcr,isli,mype,factw) end if call tintrp2a(ges_tv,tges,dlat,dlon,dtime,hrdifsig,& 1,nsig,mype,nfldsig) ! Apply 10-meter wind reduction factor to guess winds dx10=-goverrd*ten/tges(1) if (dpressave < dx10)then term=(prsln2-dpressave)/(prsln2-dx10) factw=one-term+factw*term end if ugesin=factw*ugesin vgesin=factw*vgesin end if ! Get approx k value of sfc by using surface pressure sfcchk=log(psges) call grdcrd(sfcchk,1,prsltmp(1),nsig,-1) endif ! Checks based on observation location relative to model surface and top rlow=max(sfcchk-dpres,zero) rhgh=max(dpres-r0_001-rsigp,zero) if(luse(i))then awork(1) = awork(1) + one if(rlow/=zero) awork(2) = awork(2) + one if(rhgh/=zero) awork(3) = awork(3) + one end if ratio_errors=error/(data(ier,i)+drpx+1.0e6_r_kind*rhgh+four*rlow) ! Invert observation error error=one/error ! Check to see if observation below model surface or above model top. ! If so, don't use observation if (dpres > rsig )then if( regional .and. presw > pt_ll )then dpres=rsig else ratio_errors=zero endif endif if ( (itype>=221 .and. itype<=229).and. (dpres qc_prs .and. qc_spd < qcu ) then qcu = (spdob + r15)/three qcv = (qcv*qcu)/r7 endif if (presw < trop5-r50 .or. & ! tropopause check abs(dudiff) > qcu .or. & ! u component check abs(dvdiff) > qcv .or. & ! v component check (presw > prsfc-r200 .and. isli /= 0))then ! near surface check error = zero endif endif ! QC WindSAT winds if (itype==289) then qcu = r6 qcv = r6 if ( spdob > r20 .or. & ! high wind speed check abs(dudiff) > qcu .or. & ! u component check abs(dvdiff) > qcv ) then ! v component check error = zero endif endif ! QC ASCAT winds if (itype==290) then qcu = five qcv = five ! Compute innovations for opposite vectors dudiff_opp = -uob - ugesin dvdiff_opp = -vob - vgesin vecdiff = sqrt(dudiff**2 + dvdiff**2) vecdiff_opp = sqrt(dudiff_opp**2 + dvdiff_opp**2) if ( abs(dudiff) > qcu .or. & ! u component check abs(dvdiff) > qcv .or. & ! v component check vecdiff > vecdiff_opp ) then ! ambiguity check error = zero endif endif ! If requested, setup for single obs test. if (oneobtest) then if (oneob_type=='u') then dudiff=maginnov dvdiff=zero elseif (oneob_type=='v') then dudiff=zero dvdiff=maginnov endif error=one/magoberr ratio_errors=one end if ! Gross error checks obserror = one/max(ratio_errors*error,tiny_r_kind) obserrlm = max(cermin(ikx),min(cermax(ikx),obserror)) residual = sqrt(dudiff**2+dvdiff**2) ratio = residual/obserrlm if (ratio>cgross(ikx) .or. ratio_errors < tiny_r_kind) then if (luse(i)) awork(4) = awork(4)+one error = zero ratio_errors = zero else ratio_errors =ratio_errors/sqrt(dup(i)) end if if (ratio_errors*error <=tiny_r_kind) muse(i)=.false. if (nobskeep>0) muse(i)=obsdiags(i_w_ob_type,ibin)%tail%muse(nobskeep) ! Oberror Tuning and Perturb Obs if(muse(i)) then if(oberror_tune )then if( jiter > jiterstart ) then dudiff=dudiff+data(iptrbu,i)/error/ratio_errors dvdiff=dvdiff+data(iptrbv,i)/error/ratio_errors endif else if(perturb_obs )then dudiff=dudiff+data(iptrbu,i)/error/ratio_errors dvdiff=dvdiff+data(iptrbv,i)/error/ratio_errors endif endif valu = error*dudiff valv = error*dvdiff ! Compute penalty terms (linear & nonlinear qc). if(luse(i))then val = valu*valu+valv*valv exp_arg = -half*val rat_err2 = ratio_errors**2 if (cvar_pg(ikx) > tiny_r_kind .and. error > tiny_r_kind) then arg = exp(exp_arg) wnotgross= one-cvar_pg(ikx) cg_w=cvar_b(ikx) wgross = cg_term*cvar_pg(ikx)/(cg_w*wnotgross) term =log((arg+wgross)/(one+wgross)) wgt = one-wgross/(arg+wgross) rwgt = wgt/wgtlim else term = exp_arg wgt = wgtlim rwgt = wgt/wgtlim endif valqc = -two*rat_err2*term ! Accumulate statistics for obs belonging to this task if (muse(i)) then if(rwgt < one) awork(21) = awork(21)+one jsig = dpres jsig=max(1,min(jsig,nsig)) awork(4*nsig+jsig+100)=awork(4*nsig+jsig+100)+valu*valu*rat_err2 awork(5*nsig+jsig+100)=awork(5*nsig+jsig+100)+valv*valv*rat_err2 awork(6*nsig+jsig+100)=awork(6*nsig+jsig+100)+one awork(3*nsig+jsig+100)=awork(3*nsig+jsig+100)+valqc end if ! Loop over pressure level groupings and obs to accumulate statistics ! as a function of observation type. ress = scale*sqrt(dudiff**2+dvdiff**2) ressw = ress*ress val2 = half*(valu*valu+valv*valv) valqc2 = half*valqc nn=1 if (.not. muse(i)) then nn=2 if(ratio_errors*error >=tiny_r_kind)nn=3 end if do k = 1,npres_print if(presw >=ptop(k) .and. presw<=pbot(k))then bwork(k,ikx,1,nn) = bwork(k,ikx,1,nn)+one ! count bwork(k,ikx,2,nn) = bwork(k,ikx,2,nn)+spdb ! speed bias bwork(k,ikx,3,nn) = bwork(k,ikx,3,nn)+ressw ! (o-g)**2 bwork(k,ikx,4,nn) = bwork(k,ikx,4,nn)+val2*rat_err2 ! penalty bwork(k,ikx,5,nn) = bwork(k,ikx,5,nn)+valqc2 ! nonlin qc penalty end if end do end if ! Fill obs to diagnostics structure ! U obsptr%luse=luse(i) obsptr%muse(jiter)=muse(i) obsptr%nldepart(jiter)=dudiff obsptr%wgtjo= (error*ratio_errors)**2 ! V obsdiags(i_w_ob_type,ibin)%tail%luse=luse(i) obsdiags(i_w_ob_type,ibin)%tail%muse(jiter)=muse(i) obsdiags(i_w_ob_type,ibin)%tail%nldepart(jiter)=dvdiff obsdiags(i_w_ob_type,ibin)%tail%wgtjo= (error*ratio_errors)**2 ! If obs is "acceptable", load array with obs info for use ! in inner loop minimization (int* and stp* routines) if (.not. last .and. muse(i)) then if(.not. associated(whead(ibin)%head))then allocate(whead(ibin)%head,stat=istat) if(istat /= 0)write(6,*)' failure to write whead ' wtail(ibin)%head => whead(ibin)%head else allocate(wtail(ibin)%head%llpoint,stat=istat) if(istat /= 0)write(6,*)' failure to write wtail%llpoint ' wtail(ibin)%head => wtail(ibin)%head%llpoint end if m_alloc(ibin) = m_alloc(ibin) +1 my_head => wtail(ibin)%head my_head%idv = is my_head%iob = i call get_ijk(mm1,dlat,dlon,dpres,wtail(ibin)%head%ij(1),wtail(ibin)%head%wij(1)) do j=1,8 wtail(ibin)%head%wij(j)=factw*wtail(ibin)%head%wij(j) end do wtail(ibin)%head%ures=dudiff wtail(ibin)%head%vres=dvdiff wtail(ibin)%head%err2=error**2 wtail(ibin)%head%raterr2=ratio_errors **2 wtail(ibin)%head%time = dtime wtail(ibin)%head%b=cvar_b(ikx) wtail(ibin)%head%pg=cvar_pg(ikx) wtail(ibin)%head%luse=luse(i) wtail(ibin)%head%diagu => obsptr my_head => wtail(ibin)%head my_diag => wtail(ibin)%head%diagu if(my_head%idv/=my_diag%idv .or. & my_head%iob/=my_diag%iob .or. & 1/=my_diag%ich ) then call perr(myname,'mismatched %[head,diag], (idv,iob,ich,ibin) =',& (/is,i,1,ibin/)) call perr(myname,'head%(idv,iob,ich) =',(/my_head%idv,my_head%iob,1/)) call perr(myname,'diag%(idv,iob,ich) =',(/my_diag%idv,my_diag%iob,my_diag%ich/)) call die(myname) endif if(oberror_tune) then wtail(ibin)%head%upertb=data(iptrbu,i)/error/ratio_errors wtail(ibin)%head%vpertb=data(iptrbv,i)/error/ratio_errors wtail(ibin)%head%kx=ikx if(presw > ptabl(2))then wtail(ibin)%head%k1=1 else if( presw <= ptabl(33)) then wtail(ibin)%head%k1=33 else k_loop: do k=2,32 if(presw > ptabl(k+1) .and. presw <= ptabl(k)) then wtail(ibin)%head%k1=k exit k_loop endif enddo k_loop endif endif wtail(ibin)%head%diagv => obsdiags(i_w_ob_type,ibin)%tail my_head => wtail(ibin)%head my_diag => wtail(ibin)%head%diagv if(my_head%idv/=my_diag%idv .or. & my_head%iob/=my_diag%iob .or. & 2/=my_diag%ich ) then call perr(myname,'mismatched %[head,diag], (idv,iob,ich,ibin) =',& (/is,i,2,ibin/)) call perr(myname,'head%(idv,iob,ich) =',(/my_head%idv,my_head%iob,2/)) call perr(myname,'diag%(idv,iob,ich) =',(/my_diag%idv,my_diag%iob,my_diag%ich/)) call die(myname) endif end if ! Save select output for diagnostic file if (conv_diagsave .and. luse(i)) then ii=ii+1 rstation_id = data(id,i) cdiagbuf(ii) = station_id ! station id rdiagbuf(1,ii) = ictype(ikx) ! observation type rdiagbuf(2,ii) = icsubtype(ikx) ! observation subtype rdiagbuf(3,ii) = data(ilate,i) ! observation latitude (degrees) rdiagbuf(4,ii) = data(ilone,i) ! observation longitude (degrees) rdiagbuf(5,ii) = data(ielev,i) ! station elevation (meters) rdiagbuf(6,ii) = presw ! observation pressure (hPa) rdiagbuf(7,ii) = data(ihgt,i) ! observation height (meters) rdiagbuf(8,ii) = dtime-time_offset ! obs time (hours relative to analysis time) rdiagbuf(9,ii) = data(iqc,i) ! input prepbufr qc or event mark rdiagbuf(10,ii) = rmiss_single ! setup qc or event mark rdiagbuf(11,ii) = data(iuse,i) ! read_prepbufr data usage flag if(muse(i)) then rdiagbuf(12,ii) = one ! analysis usage flag (1=use, -1=not used) else rdiagbuf(12,ii) = -one endif err_input = data(ier2,i) err_adjst = data(ier,i) if (ratio_errors*error>tiny_r_kind) then err_final = one/(ratio_errors*error) else err_final = huge_single endif errinv_input = huge_single errinv_adjst = huge_single errinv_final = huge_single if (err_input>tiny_r_kind) errinv_input = one/err_input if (err_adjst>tiny_r_kind) errinv_adjst = one/err_adjst if (err_final>tiny_r_kind) errinv_final = one/err_final rdiagbuf(13,ii) = rwgt ! nonlinear qc relative weight rdiagbuf(14,ii) = errinv_input ! prepbufr inverse obs error (m/s)**-1 rdiagbuf(15,ii) = errinv_adjst ! read_prepbufr inverse obs error (m/s)**-1 rdiagbuf(16,ii) = errinv_final ! final inverse observation error (m/s)**-1 rdiagbuf(17,ii) = data(iuob,i) ! u wind component observation (m/s) rdiagbuf(18,ii) = dudiff ! u obs-ges used in analysis (m/s) rdiagbuf(19,ii) = uob-ugesin ! u obs-ges w/o bias correction (m/s) (future slot) rdiagbuf(20,ii) = data(ivob,i) ! v wind component observation (m/s) rdiagbuf(21,ii) = dvdiff ! v obs-ges used in analysis (m/s) rdiagbuf(22,ii) = vob-vgesin ! v obs-ges w/o bias correction (m/s) (future slot) rdiagbuf(23,ii) = factw ! 10m wind reduction factor if (lobsdiagsave) then ioff=23 do jj=1,miter ioff=ioff+1 if (obsdiags(i_w_ob_type,ibin)%tail%muse(jj)) then rdiagbuf(ioff,ii) = one else rdiagbuf(ioff,ii) = -one endif enddo do jj=1,miter+1 ioff=ioff+1 rdiagbuf(ioff,ii) = obsptr%nldepart(jj) ioff=ioff+1 rdiagbuf(ioff,ii) = obsdiags(i_w_ob_type,ibin)%tail%nldepart(jj) enddo do jj=1,miter ioff=ioff+1 rdiagbuf(ioff,ii) = obsptr%tldepart(jj) ioff=ioff+1 rdiagbuf(ioff,ii) = obsdiags(i_w_ob_type,ibin)%tail%tldepart(jj) enddo do jj=1,miter ioff=ioff+1 rdiagbuf(ioff,ii) = obsptr%obssen(jj) ioff=ioff+1 rdiagbuf(ioff,ii) = obsdiags(i_w_ob_type,ibin)%tail%obssen(jj) enddo endif endif ! End of loop over observations end do ! Write information to diagnostic file if(conv_diagsave)then call dtime_show(myname,'diagsave:w',i_w_ob_type) write(7)' uv',nchar,nreal,ii,mype write(7)cdiagbuf(1:ii),rdiagbuf(:,1:ii) deallocate(cdiagbuf,rdiagbuf) end if ! End of routine end subroutine setupw