Modification to assimilate radar reflectivity simultaneously with the conventional data and to tune weights of mixed ensemble in EnVar

fix/gsi/gsiparm.anl.sh

@@ -3,7 +3,7 @@ gsi_namelist="
    miter=${miter},niter(1)=${niter1},niter(2)=${niter2},
    write_diag(1)=.true.,write_diag(2)=${write_diag_2},write_diag(3)=.true.,
    qoption=2,print_obs_para=.true.,diag_radardbz=${diag_radardbz},
-   if_model_dbz=${if_model_dbz}, static_gsi_nopcp_dbz=0.0,
+   if_model_dbz=${if_model_dbz},static_gsi_nopcp_dbz=0.0,if_use_w_vr=.false.,
    rmesh_dbz=4.0,rmesh_vr=4.0,zmesh_dbz=1000.0,zmesh_vr=1000.0,
    missing_to_nopcp=.false.,radar_no_thinning=.true.,
    gencode=78,factqmin=0.0,factqmax=0.0,
@@ -151,6 +151,7 @@ OBS_INPUT::
    aniso_a_en=.false.,generate_ens=.false.,
    n_ens=${nummem},
    l_both_fv3sar_gfs_ens=${l_both_fv3sar_gfs_ens},n_ens_gfs=${nummem_gfs},n_ens_fv3sar=${nummem_fv3sar},
+   weight_ens_gfs=${weight_ens_gfs},weight_ens_fv3sar=${weight_ens_fv3sar},
    beta_s0=${beta1_inv},s_ens_h=${ens_h},s_ens_v=${ens_v},
    regional_ensemble_option=${regional_ensemble_option},
    pseudo_hybens = .false.,
@@ -163,7 +164,7 @@ OBS_INPUT::
    readin_localization=${readin_localization},
    parallelization_over_ensmembers=${ens_fast_read},
    nsclgrp=${nsclgrp},l_timloc_opt=.false.,ngvarloc=${ngvarloc},naensloc=${naensloc},
-   i_ensloccov4tim=${i_ensloccov4tim},i_ensloccov4var=${i_ensloccov4var},i_ensloccov4scl=${i_ensloccov4scl},
+   r_ensloccov4tim=${r_ensloccov4tim},r_ensloccov4var=${r_ensloccov4var},r_ensloccov4scl=${r_ensloccov4scl},
    global_spectral_filter_sd=.false.,assign_vdl_nml=${assign_vdl_nml},vdl_scale=${vdl_scale},
    vloc_varlist(1,1)='sf ',vloc_varlist(2,1)='w  ',vloc_varlist(3,1)='sf ',vloc_varlist(4,1)='w  ',
    vloc_varlist(1,2)='vp ',vloc_varlist(2,2)='qr ',vloc_varlist(3,2)='vp ',vloc_varlist(4,2)='qr ',

scripts/exregional_run_analysis.sh

@@ -666,15 +666,14 @@ if [[ ${gsi_type} == "ANALYSIS" && ${anav_type} == "radardbz" ]]; then
   ens_v=${ens_v_radardbz}
   nsclgrp=1
   ngvarloc=1
-  i_ensloccov4tim=0
-  i_ensloccov4var=0
-  i_ensloccov4scl=0
+  r_ensloccov4tim=1.0
+  r_ensloccov4var=1.0
+  r_ensloccov4scl=1.0
   q_hyb_ens=.true.
   if_model_dbz=.true.
 fi
 if [[ ${gsi_type} == "ANALYSIS" && ${anav_type} == "conv_dbz" ]]; then
   ANAVINFO=${FIX_GSI}/${ANAVINFO_CONV_DBZ_FN}
-  beta1_inv=0.0
   if_model_dbz=.true.
 fi
 naensloc=`expr ${nsclgrp} \* ${ngvarloc} + ${nsclgrp} - 1`

ush/config_defaults.sh

@@ -683,6 +683,8 @@ binary_diag=.true.
 
 # &HYBRID_ENSEMBLE
 l_both_fv3sar_gfs_ens=.false.
+weight_ens_gfs=1.0
+weight_ens_fv3sar=1.0
 readin_localization=.true.     #if true, it overwrites the "beta1_inv/ens_h/ens_v" setting
 beta1_inv=0.15                 #beata_inv is 1-ensemble_wgt
 ens_h=110                      #horizontal localization scale of "Gaussian function=exp(-0.5)" for EnVar (km)
@@ -691,9 +693,9 @@ ens_h_radardbz=4.10790         #horizontal localization scale of "Gaussian funct
 ens_v_radardbz=-0.30125        #vertical localization scale of "Gaussian function=exp(-0.5)" for radardbz EnVar (positive:grids, negative:lnp)
 nsclgrp=1
 ngvarloc=1
-i_ensloccov4tim=0
-i_ensloccov4var=0
-i_ensloccov4scl=0
+r_ensloccov4tim=1.0
+r_ensloccov4var=1.0
+r_ensloccov4scl=1.0
 regional_ensemble_option=1     #1 for GDAS ; 5 for FV3LAM ensemble
 grid_ratio_fv3=2.0             #fv3 resolution 3km, so analysis=3*2=6km
 grid_ratio_ens=3               #if analysis is 3km, then ensemble=3*3=9km. GDAS ensemble is 20km

ush/set_rrfs_config_SDL_VDL_MixEn.sh

@@ -4,6 +4,11 @@ nsclgrp=1                     #number of scales for scale-dependent localization
 ngvarloc=1                    #number of scales for variable-dependent localization (VDL)
 assign_vdl_nml=.false.        #if true, vdl_scale and vloc_varlist are used to set VDL
 
+if [ ${l_both_fv3sar_gfs_ens} = ".true." ]; then
+  weight_ens_gfs=0.5
+  weight_ens_fv3sar=0.5
+fi
+
 if [[ ${ngvarloc} == "1" ]] && [[ ${nsclgrp} == "2" ]]; then
   readin_localization=.false.
   ens_h="328.632,82.1580,82.1580"
@@ -18,7 +23,7 @@ elif [[ ${ngvarloc} == "2" ]] && [[ ${nsclgrp} == "1" ]]; then
   if [ ${assign_vdl_nml} = ".true." ]; then
     vdl_scale="2,2"
   else
-    i_ensloccov4var=1
+    r_ensloccov4var=0.05
   fi
 elif [[ ${ngvarloc} == "2" ]] && [[ ${nsclgrp} == "2" ]]; then
   DO_ENVAR_RADAR_REF_ONCE="TRUE"
@@ -30,6 +35,6 @@ elif [[ ${ngvarloc} == "2" ]] && [[ ${nsclgrp} == "2" ]]; then
   else
     ens_h="328.632,82.1580,4.10790,4.10790,82.1580"
     ens_v="-0.30125,-0.30125,-0.30125,-0.30125,0.0"
-    i_ensloccov4var=1
+    r_ensloccov4var=0.05
   fi
 fi