diff --git a/conf/event-generator/expdef.yml b/conf/event-generator/expdef.yml
index 1f8120831f8d77d012f57d19dcb8bdba2e3423bd..5a3c11cccf877eddb7c3051d2a776e9db5c64624 100644
--- a/conf/event-generator/expdef.yml
+++ b/conf/event-generator/expdef.yml
@@ -3,7 +3,7 @@ experiment:
 #  MEMBERS: "m[1-2]"
   MEMBERS: "m1"
   CHUNKSIZEUNIT: hour
-  CHUNKSIZE: 1
+  CHUNKSIZE: 6
   NUMCHUNKS: 2
   CHUNKINI: 0
   CALENDAR: standard
\ No newline at end of file
diff --git a/conf/event-generator/simulation.yml b/conf/event-generator/simulation.yml
index b67874a2379638d0b1b27bf8d6b16c2605394c1e..f79ba65ab09d00a40ad9fb705a58c97087d16962 100644
--- a/conf/event-generator/simulation.yml
+++ b/conf/event-generator/simulation.yml
@@ -10,7 +10,7 @@ simulation:
     atmosphere: "%HPCROOTDIR%/production_project/namelists/real-from-dwd-ana/icon_atmosphere.namelist"
 
   # List of output file names that will be copied (Wildcards * allowed)
-  output_file_names: "init_DOM01_ML_*.nc latbc_DOM01_ML_*.nc"
+  output_file_names: "fields_3d_*.nc surface_fields_*.nc"
   files_to_clean: "*.nc"
 
   initial_conditions:
diff --git a/namelists/event-generator/icon_atmosphere.namelist b/namelists/event-generator/icon_atmosphere.namelist
index 386643f0982b28c5e7cac41525fde5779506a47c..b8243ce0a3aeaaaea7f000de5c058c3bb75a4df8 100644
--- a/namelists/event-generator/icon_atmosphere.namelist
+++ b/namelists/event-generator/icon_atmosphere.namelist
@@ -44,7 +44,7 @@
 &radiation_nml
     irad_o3=79,
     irad_aero=6,
-    albedo_type=2, ! this would require t_2m climatology in external parameter file
+    albedo_type=2, ! this requires t_2m climatology in external parameter file
     vmr_co2=390.e-06,
     vmr_ch4=1800.e-09,
     vmr_n2o=322.0e-09,
@@ -133,24 +133,34 @@
     nproma                      = 16
 /
 
-! LATBC files, these files will be used as input for the next example.
-&output_nml
-    file_interval               = 'PT3600S'
-    output_start                = '#OUTPUT_START#'
-    output_end                  = '#OUTPUT_END#'
-    output_filename             = "latbc"
-    output_interval             = 'PT3600S'
-    include_last                = .true.
-    ml_varlist                  = 'u', 'v', 'w', 'theta_v', 'rho', 'qv', 'qc', 'qi', 'qr', 'qs', 'z_ifc'
-/
 
-! First Guess file
-&output_nml
-    file_interval               = 'PT3600S'
-    output_start                = '#OUTPUT_START#'
-    output_end                  = '#OUTPUT_END#'
-    output_filename             = "init"
-    output_interval             = 'PT3600S'
-    include_last                = .true.
-    ml_varlist                  = 'group:dwd_fg_atm_vars', 'group:dwd_fg_sfc_vars'
-/
+    ! output for analysis of simulation (surface fields)
+    &output_nml
+        output_interval             = 'PT21600S'
+        steps_per_file              = 1
+        filename_format             = "surface_fields_<jfile>"
+        output_start                = '#OUTPUT_START#'
+        output_end                  = '#OUTPUT_END#'
+        include_last                = .true.
+        remap                       = 1         ! remap to regular lat/lon grid
+        reg_lat_def                 = -20.,1.0,90.         ! start, increment, end latitude in degrees
+        reg_lon_def                 = -180.,1.0,179.0        ! start, increment, end longitude in degrees
+        ml_varlist                  = 't_2m','tmin_2m','tmax_2m','pres_sfc','pres_msl','u_10m','v_10m','tot_prec','tqc','tqi','tqv','snowfrac'
+    /
+    
+
+    ! output for analysis of simulation (on pressure levels)
+    &output_nml
+        output_interval             = 'PT21600S'
+        steps_per_file              = 1
+        filename_format             = "fields_3d_<jfile>"
+        output_start                = '#OUTPUT_START#'
+        output_end                  = '#OUTPUT_END#'
+        include_last                = .true.
+        remap                       = 1         ! remap to regular lat/lon grid
+        reg_lat_def                 = -20.,1.0,90.         ! start, increment, end latitude in degrees
+        reg_lon_def                 = -180.,1.0,179.0        ! start, increment, end longitude in degrees
+        pl_varlist                  = 'u','v','omega','geopot','temp'
+        p_levels         =    100000,85000,75000,65000,60000, 55000,50000,47500,45000,42500,40000,37500, 35000,32500,30000,28000,26500, 25000,23500,22000, 21000,20000,19000,18000, 17000,16000, 15000,14000,13000,12000, 11000,10000,8500,7000,5500,4000,3000, 2500,2000,1500,1000, 700,500,300,200,150,100,70,50,30,20,10
+    /
+