diff --git a/generate_free.py b/generate_free.py
new file mode 100755
index 0000000000000000000000000000000000000000..f366efa5c681629c2f3eacebd33bc95c116edced
--- /dev/null
+++ b/generate_free.py
@@ -0,0 +1,65 @@
+#!/usr/bin/python3
+"""
+running the forecast model without assimilation
+"""
+import os, sys, shutil
+import datetime as dt
+import pandas as pd
+from slurmpy import Slurm
+
+from config.cfg import exp, cluster
+from scripts.utils import script_to_str, symlink
+
+log_dir = cluster.archivedir+'/logs/'
+slurm_scripts_dir = cluster.archivedir+'/slurm-scripts/'
+print('logging to', log_dir)
+print('scripts, which are submitted to SLURM:', slurm_scripts_dir)
+
+from scheduler import *
+
+################################
+print('starting osse')
+
+backup_scripts()
+id = None
+
+is_nature = True
+
+begin = dt.datetime(2008, 7, 30, 9)
+id = prepare_WRFrundir(begin)  # create initial conditions
+id = run_ideal(depends_on=id)
+
+if is_nature:
+    id = wrfinput_insert_wbubble(perturb=False, depends_on=id)
+    end = dt.datetime(2008, 7, 30, 16)
+    id = run_ENS(begin=begin, end=end,
+                     first_minute=False,
+                     input_is_restart=False,
+                     output_restart_interval=(end-begin).total_seconds()/60,
+                     depends_on=id)
+    id = create_satimages(begin, depends_on=id)
+else:
+    id = wrfinput_insert_wbubble(perturb=True, depends_on=id)
+
+    restarts = pd.date_range(start=dt.datetime(2008, 7, 30, 10),
+                             end=dt.datetime(2008, 7, 30, 12),
+                             freq=dt.timedelta(minutes=60))
+    
+    input_is_restart = True
+    time = begin
+    for next_restart in restarts:
+         
+        id = run_ENS(begin=time, end=next_restart, 
+                     first_minute=False,
+                     input_is_restart=input_is_restart,
+                     restart_path=cluster.archivedir+time.strftime('/%Y-%m-%d_%H:%M/'),
+                     output_restart_interval=(next_restart-time).total_seconds()/60,
+                     output_restart_interval=720,
+                     depends_on=id)
+
+        time = next_restart
+        input_is_restart = True
+    
+    
+    #id = create_satimages(begin, depends_on=id)
+    verify(depends_on=id)