DA with wrfrst

scripts/apply_obs_op_dart.py

@@ -21,14 +21,16 @@ usually applied to 1 min forecasts to assess the posterior analysis quality
 """
 
 if __name__ == '__main__':
-    prev_forecast_init = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
+    prior_init_time = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
     time = dt.datetime.strptime(sys.argv[2], '%Y-%m-%d_%H:%M')
     exppath_firstguess = cluster.archivedir
-    print(prev_forecast_init, time)
+    prior_valid_time = time
+    print('compute Hx from 1min forecast')
+    print(time, prior_init_time, prior_valid_time, exppath_firstguess)
 
     # link ensemble states to run_DART directory
     # we want the observation operator applied to these states!
-    pre_assim.run(time, prev_forecast_init, exppath_firstguess)
+    pre_assim.run(time, prior_init_time, prior_valid_time, exppath_firstguess)
 
     savedir = cluster.archivedir+'/obs_seq_final_1min/'
 

scripts/assim_synth_obs.py

@@ -11,16 +11,16 @@ import wrfout_add_geo
 
 earth_radius_km = 6370
 
-# fit of Fig 7, Harnisch 2016
-x_ci = [0,   5, 10.5, 13, 16]
-y_oe = [1, 4.5,   10, 12, 13]  # Kelvin
+# Kelvin, fit of Fig 7b, Harnisch 2016
+x_ci = [0,   5, 10.5, 13, 16]  # average cloud impact
+y_oe = [1, 4.5,   10, 12, 13]  # adjusted observation error
 oe_73_linear = interp1d(x_ci, y_oe, assume_sorted=True)
 
 def oe_73(ci):
     if ci < 13:
         return oe_73_linear(ci)
     else:
-        return 16.
+        return 13.
 
 def cloudimpact_73(bt_mod, bt_obs):
     """
@@ -217,8 +217,6 @@ def prepare_prior_ensemble(assim_time, prior_init_time, prior_valid_time, prior_
     - writes txt files so DART knows what input and output is
     - removes probably pre-existing files which could lead to problems
     """
-    os.makedirs(cluster.dartrundir, exist_ok=True)
-
     print('prepare prior state estimate')
     for iens in range(1, exp.n_ens+1):
         print('link wrfout file to DART background file')
@@ -237,7 +235,7 @@ def prepare_prior_ensemble(assim_time, prior_init_time, prior_valid_time, prior_
         # ensure prior time matches assim time (can be off intentionally)
         if assim_time != prior_valid_time:
             print('overwriting time in prior from nature wrfout')
-            os.system(cluster.ncks+' -A -v XTIME '
+            os.system(cluster.ncks+' -A -v XTIME,Times '
                       +cluster.dartrundir+'/wrfout_d01 '+wrfout_dart)
 
         # this seems to be necessary (else wrong level selection)
@@ -334,6 +332,7 @@ def assimilate(nproc=96):
 #         print('updating', updates, 'in', dart_input, 'from', dart_output)
 #         os.system(cluster.ncks+' -A -v '+updates+' '+dart_output+' '+dart_input)
 
+
 ############### archiving
 
 def archive_osq_final(time, posterior_1min=False):
@@ -420,6 +419,7 @@ if __name__ == "__main__":
     prior_path_exp = str(sys.argv[4])
 
     archive_time = cluster.archivedir+time.strftime('/%Y-%m-%d_%H:%M/')
+    os.makedirs(cluster.dartrundir, exist_ok=True)
     os.chdir(cluster.dartrundir)
     os.system('rm -f input.nml obs_seq.in obs_seq.out obs_seq.final')  # remove any existing observation files
     set_DART_nml()

scripts/pre_assim.py

@@ -4,7 +4,7 @@ from config.cfg import exp, cluster
 from utils import symlink, copy_scp_srvx8, copy, sed_inplace, try_remove
 import wrfout_add_geo
 
-def run(assim_time, prior_init_time, prior_valid_time, prior_path_exp)
+def run(assim_time, prior_init_time, prior_valid_time, prior_path_exp):
     """Prepares DART files for running filter 
     i.e.
     - links first guess state to DART first guess filenames

scripts/prepare_namelist.py

+"""Create namelist.input files
+
+Usage:
+  prepare_namelist.py <begin> <end> <intv> [--radt=<minutes>] [--restart=<flag>] [--restart_interval=<minutes>] [--rst_inname=<path>]
+
+Options:
+  --radt=<minutes>   		Radiation interval [default: 5]
+  --restart=<flag> 		Restart flag (.true., .false.) [default: .false.]
+  --restart_interval=<minutes>	Restart frequency [default: 720]
+  --rst_inname=<path>           Path to directory of input wrfrst file
+"""
 import os, sys, shutil, warnings
 import datetime as dt
+from docopt import docopt
 from config.cfg import exp, cluster
 from utils import sed_inplace, copy, symlink, mkdir
 
-def run(iens, begin, end, hist_interval=5, radt=5, archive=True):
-    """
+def run(iens, begin, end, hist_interval=5, radt=5, archive=True,
+        restart=False, restart_interval=720, rst_inname=False):
+    """Create namelist.input files
+
     Args:
     archive (bool): if True, write to archivedir of experiment
         if False, write to WRF run directory
+    restart (str): fortran bool whether to use wrfinput or wrfrst
+    restart_interval (int): output frequency of wrfrst (minutes)
     """
     rundir = cluster.wrf_rundir(iens)
-    print(rundir)
     copy(cluster.namelist, rundir+'/namelist.input')
 
     sed_inplace(rundir+'/namelist.input', '<dx>', str(int(exp.model_dx)))
@@ -18,6 +33,10 @@ def run(iens, begin, end, hist_interval=5, radt=5, archive=True):
     sed_inplace(rundir+'/namelist.input', '<hist_interval>', str(int(hist_interval)))
     sed_inplace(rundir+'/namelist.input', '<radt>', str(int(radt)))
 
+    rst_flag = '.true.' if restart else '.false.'
+    sed_inplace(rundir+'/namelist.input', '<restart>', rst_flag)
+    sed_inplace(rundir+'/namelist.input', '<restart_interval>', str(int(float(restart_interval))))
+
     if archive:
         archdir = cluster.archivedir+begin.strftime('/%Y-%m-%d_%H:%M/'+str(iens)+'/')
         os.makedirs(archdir, exist_ok=True)
@@ -26,6 +45,11 @@ def run(iens, begin, end, hist_interval=5, radt=5, archive=True):
     print('namelist for run from', begin, end, 'output to', archdir)
     sed_inplace(rundir+'/namelist.input', '<archivedir>', archdir)
 
+    if rst_inname:  # rst_inname did not work -> link file to directory
+        # sed_inplace(rundir+'/namelist.input', '<initdir>', rst_inname) 
+        fname = begin.strftime('/wrfrst_d01_%Y-%m-%d_%H:%M:%S')
+        symlink(rst_inname+fname, rundir+fname)
+        print('linked', rst_inname+fname, 'to rundir')
 
     # set times
     for k, v in {'<y1>': '%Y', '<m1>': '%m', '<d1>': '%d',
@@ -40,29 +64,44 @@ def run(iens, begin, end, hist_interval=5, radt=5, archive=True):
         
         init_dir = cluster.archivedir+begin.strftime('/%Y-%m-%d_%H:%M/')+str(iens)
         os.makedirs(init_dir, exist_ok=True)
+        print('copy namelist to archive')
+        copy(rundir+'/namelist.input', init_dir+'/namelist.input')
         try:
+            if not restart:
                 print('copy wrfinput of this run to archive')
                 wrfin_old = rundir+'/wrfinput_d01'
                 wrfin_arch = init_dir+'/wrfinput_d01'
                 copy(wrfin_old, wrfin_arch)
-            print('copy namelist to archive')
-            copy(rundir+'/namelist.input', init_dir+'/namelist.input')
         except Exception as e:
             warnings.warn(str(e))
 
 
 if __name__ == '__main__':
-    begin = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
-    end = dt.datetime.strptime(sys.argv[2], '%Y-%m-%d_%H:%M')
-    intv = int(sys.argv[3])
-    radt = int(sys.argv[4])
-    archive = True
-    try:
-        if sys.argv[5] == '1':
-            archive = False
-    except:
-        pass
+    args = docopt(__doc__)
+    begin = dt.datetime.strptime(args['<begin>'], '%Y-%m-%d_%H:%M')
+    end = dt.datetime.strptime(args['<end>'], '%Y-%m-%d_%H:%M')
+    intv = int(args['<intv>'])
+
+    radt = int(args['--radt']) 
+    if not radt:
+        radt = '5'
 
-    print('prepare namelists for all ens members')
+    restart = False
+    if args['--restart'] == '.true.':
+        restart = True
+
+    restart_interval = args['--restart_interval']
+    if not restart_interval:
+        restart_interval = 720
+
+    print('prepare namelists for all ens members',intv,radt,restart,restart_interval)
     for iens in range(1, exp.n_ens+1):
-        run(iens, begin, end, hist_interval=intv, radt=radt, archive=archive)
+
+        rst_inname = False
+        if args['--rst_inname']:
+            rst_inname = args['--rst_inname'] + '/'+str(iens)
+            print('rst_inname', rst_inname)
+
+        run(iens, begin, end, hist_interval=intv, radt=radt, 
+            restart=restart, restart_interval=restart_interval,
+            rst_inname=rst_inname)

scripts/prepare_wrf_initials.py

+print('loading modules')
+import os, sys, warnings, glob
+import datetime as dt
+import netCDF4 as nc
+
+from config.cfg import exp, cluster
+from utils import symlink, copy, mkdir, clean_wrfdir, try_remove
+
+"""
+Sets initial condition data (wrfinput/wrrst file) in the run_WRF directory for each ensemble member 
+ 1) copies wrfrst to run_WRF directory
+ 2) overwrites DA-updated variables with DART output fields
+
+ (for verification later on, since a restart run does not write the first wrfout) 
+ 3) copy wrfout from prior to archivedir
+ 4) overwrite DA-updated variables with DART output
+
+# assumes T = THM (dry potential temperature as prognostic variable)
+"""
+update_vars = ['Times',]
+update_vars.extend(exp.update_vars) # 'U', 'V', 'T', 'PH', 'MU', 'QVAPOR', 'QCLOUD', 'QICE', 'TSK', 'CLDFRA']
+updates = ','.join(update_vars)
+
+def create_wrfrst_in_WRF_rundir(time, prior_init_time, exppath_firstguess):
+    """copies wrfrst to run_WRF directory (for next WRF run)
+    """
+    for iens in range(1, exp.n_ens+1):
+        clean_wrfdir(cluster.wrf_rundir(iens))
+    
+        prior_wrfrst = exppath_firstguess + prior_init_time.strftime('/%Y-%m-%d_%H:%M/') \
+                       +str(iens)+time.strftime('/wrfrst_d01_%Y-%m-%d_%H:%M:%S')
+        wrfrst = cluster.wrf_rundir(iens) + time.strftime('/wrfrst_d01_%Y-%m-%d_%H:%M:%S')
+        print('copy prior (wrfrst)', prior_wrfrst, 'to', wrfrst)
+        copy(prior_wrfrst, wrfrst)
+    
+        filter_out = cluster.dartrundir+'/filter_restart_d01.'+str(iens).zfill(4)
+        print('update assimilated variables => overwrite', updates, 'in', wrfrst, 'from', filter_out) 
+        os.system(cluster.ncks+' -A -v '+updates+' '+filter_out+' '+wrfrst)
+    
+        print('writing T into THM of wrfrst')  # assumes T = THM (dry potential temperature as prognostic variable)
+        with nc.Dataset(filter_out, 'r') as ds_filter:
+            with nc.Dataset(wrfrst, 'r+') as ds_wrfrst:
+                ds_wrfrst.variables['THM_1'][:] = ds_filter.variables['T'][:]
+                ds_wrfrst.variables['THM_2'][:] = ds_filter.variables['T'][:]
+        print(wrfrst, 'created.')
+        
+        # remove all wrfrst (but not the one used)
+        files_rst = glob.glob(exppath_firstguess + prior_init_time.strftime('/%Y-%m-%d_%H:%M/'+str(iens)+'/wrfrst_*'))
+        files_rst.remove(prior_wrfrst)
+        for f in files_rst:
+            try_remove(f)
+
+def create_wrfout_in_archivedir(time, prior_init_time, exppath_firstguess):
+    """Put updated wrfout in archive dir (because wrf restart writes no 0 minute wrfout)
+    """
+    print('writing updated wrfout to archive (for verification)')
+    for iens in range(1, exp.n_ens+1):
+        prior_wrfout = exppath_firstguess + prior_init_time.strftime('/%Y-%m-%d_%H:%M/') \
+                       +str(iens)+time.strftime('/wrfout_d01_%Y-%m-%d_%H:%M:%S')
+        post_wrfout_archive = cluster.archivedir +time.strftime('/%Y-%m-%d_%H:%M/') \
+                       +str(iens)+time.strftime('/wrfout_d01_%Y-%m-%d_%H:%M:%S')
+        # copy template wrfout (including cycled variables)
+        os.makedirs(os.path.dirname(post_wrfout_archive), exist_ok=True)
+        copy(prior_wrfout, post_wrfout_archive) 
+
+        # overwrite DA updated variables
+        filter_out = cluster.dartrundir+'/filter_restart_d01.'+str(iens).zfill(4)
+        #filter_out = cluster.archivedir +time.strftime('/%Y-%m-%d_%H:%M/assim_stage0/filter_restart_d01.'+str(iens).zfill(4))
+        os.system(cluster.ncks+' -A -v '+updates+' '+filter_out+' '+post_wrfout_archive)
+        
+        # need to overwrite THM manually
+        with nc.Dataset(filter_out, 'r') as ds_filter:
+            with nc.Dataset(post_wrfout_archive, 'r+') as ds_wrfout:
+                ds_wrfout.variables['THM'][:] = ds_filter.variables['T'][:]
+        print(post_wrfout_archive, 'created.')
+
+
+def create_updated_wrfinput_from_wrfout(time, prior_init_time, exppath_firstguess):
+    """Same as create_wrfout_in_archivedir, but output is `wrfinput` in WRF run directory"""
+
+    print('writing updated wrfout to WRF run directory as wrfinput')
+    for iens in range(1, exp.n_ens+1):
+        prior_wrfout = exppath_firstguess + prior_init_time.strftime('/%Y-%m-%d_%H:%M/') \
+                       +str(iens)+time.strftime('/wrfout_d01_%Y-%m-%d_%H:%M:%S')
+        post_wrfout = cluster.wrf_rundir(iens) + '/wrfinput_d01' 
+        copy(prior_wrfout, post_wrfout)
+
+        if True: # overwrite DA updated variables
+            filter_out = cluster.dartrundir+'/filter_restart_d01.'+str(iens).zfill(4)
+            os.system(cluster.ncks+' -A -v '+updates+' '+filter_out+' '+post_wrfout)
+
+            # need to overwrite THM manually
+            with nc.Dataset(filter_out, 'r') as ds_filter:
+                with nc.Dataset(post_wrfout, 'r+') as ds_wrfout:
+                    ds_wrfout.variables['THM'][:] = ds_filter.variables['T'][:]
+        print(post_wrfout, 'created.')
+
+
+if __name__ == '__main__':
+    time = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
+    prior_init_time = dt.datetime.strptime(sys.argv[2], '%Y-%m-%d_%H:%M')
+    exppath_firstguess = str(sys.argv[3])
+
+
+    use_wrfout_as_wrfinput = False
+    if use_wrfout_as_wrfinput:
+        create_updated_wrfinput_from_wrfout(time, prior_init_time, exppath_firstguess)
+    else:
+        create_wrfrst_in_WRF_rundir(time, prior_init_time, exppath_firstguess)
+
+        # this is done with the right WRF namelist entry (write first wrfout)
+        #create_wrfout_in_archivedir(time, prior_init_time, exppath_firstguess)
+
+

scripts/run_ens.vsc.sh

@@ -16,7 +16,7 @@ do
    RUNDIR=$MAINDIR/$EXPNAME/$IENS
    echo "ENSEMBLE NR: "$IENS" in "$RUNDIR
    cd $RUNDIR
-   rm -rf wrfrst_d01_* wrfout_d01_* rsl.out.0* 
+   rm -rf rsl.out.0* 
    echo "mpirun -genv I_MPI_PIN_PROCESSOR_LIST="${pinning[$n-1]}" -np 12 ./wrf.exe"
    mpirun -genv I_MPI_PIN_PROCESSOR_LIST=${pinning[$n-1]} -np 12 ./wrf.exe &
    cd ../

scripts/update_wrfinput_from_filteroutput.py

-print('loading modules')
-import os, sys, warnings
-import datetime as dt
-import netCDF4 as nc
-
-from config.cfg import exp, cluster
-from utils import symlink, copy, mkdir, clean_wrfdir
-
-time = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
-background_init_time = dt.datetime.strptime(sys.argv[2], '%Y-%m-%d_%H:%M')
-exppath_firstguess = str(sys.argv[3])
-
-"""
--) sets initial condition data (wrfinput file) in the run_WRF directory for each ensemble member 
-   from a DART output state (set of filter_restart files)
--) cycles (copies) some state variables from the prior ensemble to the wrfinput of the next run
-
-# assumes T = THM (dry potential temperature as prognostic variable)
-"""
-update_vars = ['Times',]
-update_vars.extend(exp.update_vars) # 'U', 'V', 'T', 'PH', 'MU', 'QVAPOR', 'QCLOUD', 'QICE', 'TSK', 'CLDFRA']
-updates = ','.join(update_vars)
-
-print('move output to WRF dir as new initial conditions')
-for iens in range(1, exp.n_ens+1):
-    clean_wrfdir(cluster.wrf_rundir(iens))
-    prior_wrf = exppath_firstguess + background_init_time.strftime('/%Y-%m-%d_%H:%M/') \
-              +str(iens)+time.strftime('/wrfout_d01_%Y-%m-%d_%H:%M:%S')
-    filter_out = cluster.dartrundir+'/filter_restart_d01.'+str(iens).zfill(4)
-    wrf_ic = cluster.wrf_rundir(iens) + '/wrfinput_d01'
-
-    # cycles variables from wrfout (prior state)
-    print('cycle some variables (copy from last init) => copy prior', prior_wrf, 'to wrfinput', wrf_ic)
-    # os.system(cluster.ncks+' -A -v '+cycles+' '+prior_wrf+' '+wrf_ic)
-    copy(prior_wrf, wrf_ic)
-
-    print('update assimilated variables => overwrite', updates, 'in', wrf_ic, 'from', filter_out)
-    os.system(cluster.ncks+' -A -v '+updates+' '+filter_out+' '+wrf_ic)
-
-    print('writing T into THM of wrfinput')  # assumes T = THM (dry potential temperature as prognostic variable)
-    thm_in = nc.Dataset(filter_out, 'r').variables['T'][:]
-    dsout = nc.Dataset(wrf_ic, 'r+')
-    dsout.variables['THM'][:] = thm_in
-    dsout.close()
-
-    # clean up
-    #try:
-    #    os.remove(cluster.dartrundir+'/advance_temp'+str(iens)+'/wrfout_d01')
-    #except:
-    #    pass

scripts/update_wrfinput_from_wrfout.py

-import os, sys, shutil
-import datetime as dt
-
-from config.cfg import exp, cluster
-from utils import symlink, copy_scp_srvx8, copy
-import prepare_namelist
-
-exppath = str(sys.argv[1])
-# time = dt.datetime.strptime(sys.argv[1], '%Y-%m-%d_%H:%M')
-# background_init_time = dt.datetime.strptime(sys.argv[2], '%Y-%m-%d_%H:%M')
-
-#update_vars = ['Times', 'U', 'V', 'PH', 'T', 'MU', 'QVAPOR', 'QCLOUD', 'QICE', 'PSFC', 'TSK']
-# vars = 'Times,U,V,T,THM,CLDFRA,P,PH,PHB,MU,QVAPOR,QCLOUD,QRAIN,QICE,QSNOW,QGRAUP,QNICE,QNRAIN,U10,V10,T2,Q2,PSFC,TSLB,SMOIS,TSK'  # ','.join(update_vars)
-# vars = 'Times,LU_INDEX,ZNU,ZNW,ZS,DZS,VAR_SSO,U,V,W,PH,PHB,T,THM,MU,MUB,P,PB,FNM,FNP,RDNW,RDN,DNW,DN,CFN,CFN1,THIS_IS_AN_IDEAL_RUN,P_HYD,Q2,T2,TH2,PSFC,U10,V10,RDX,RDY,RESM,ZETATOP,CF1,CF2,CF3,QVAPOR,QCLOUD,QRAIN,QICE,QSNOW,QGRAUP,QNICE,QNRAIN,SHDMAX,SHDMIN,SNOALB,TSLB,SMOIS,SH2O,SMCREL,SEAICE,IVGTYP,ISLTYP,VEGFRA,SNOW,SNOWH,CANWAT,LAI,QKE,VAR,F,E,SINALPHA,COSALPHA,HGT,TSK,P_TOP,T00,P00,TLP,TISO,TLP_STRAT,P_STRAT,CLDFRA,CLAT,ALBBCK,TMN,XLAND,SNOWC,SR,SAVE_TOPO_FROM_REAL,C1H,C2H,C1F,C2F,C3H,C4H,C3F,C4F,PCB,PC,LANDMASK,LAKEMASK,SST'  # these are all variables, that are in wrfout and wrfinput
-
-for iens in range(1, exp.n_ens+1):
-    print('update state in wrfinput  wrfout file to DART background file')
-    wrfout = exppath.replace('*iens*', str(iens))
-    wrfin = cluster.wrf_rundir(iens)+'/wrfinput_d01'
-
-    print('updating', wrfin, 'to state in', wrfout)
-    assert os.path.isfile(wrfout), wrfout
-
-    os.makedirs(os.path.dirname(wrfin), exist_ok=True)
-
-    # overwrite variables in wrfinput file
-    # os.system(cluster.ncks+' -A -v '+vars+' '+wrfout+' '+wrfin)
-    copy(wrfout, wrfin) 

templates/input.nml

@@ -51,7 +51,7 @@
    output_timestamps        = .false.,
    trace_execution          = .false.,
 
-   stages_to_write          = 'postassim', 'output'
+   stages_to_write          = 'output'
    output_members           = .true.
    output_mean              = .true.
    output_sd                = .true.

templates/namelist.input

@@ -13,10 +13,13 @@
  end_second                          = 0,   00,   00,
  interval_seconds                    = 86400
  history_interval                    = <hist_interval>,   15,   15,
+ write_hist_at_0h_rst                = .true.,
  frames_per_outfile                  = 1, 1, 1,
  history_outname 		     = '<archivedir>/wrfout_d<domain>_<date>'
- restart                             = .false.,
- restart_interval                    = 720,
+ restart                             = <restart>,
+ override_restart_timers             = .true.,
+ restart_interval                    = <restart_interval>,
+ rst_outname			     = '<archivedir>/wrfrst_d<domain>_<date>',
  io_form_history                     = 2
  io_form_restart                     = 2
  io_form_input                       = 2