diff --git a/test/ci_tests/ci_result_file.nc b/test/ci_tests/ci_result_file.nc
index 75c253a..2cf9ffb 100644
Binary files a/test/ci_tests/ci_result_file.nc and b/test/ci_tests/ci_result_file.nc differ
diff --git a/test/ci_tests/ci_test_file.nc b/test/ci_tests/ci_test_file.nc
index 13b9f54..ad5a3f6 100644
Binary files a/test/ci_tests/ci_test_file.nc and b/test/ci_tests/ci_test_file.nc differ
diff --git a/test/ci_tests/make_test_file.py b/test/ci_tests/make_test_file.py
index 0f65c0d..5f76b5d 100644
--- a/test/ci_tests/make_test_file.py
+++ b/test/ci_tests/make_test_file.py
@@ -22,7 +22,7 @@ WRF_DIAGS = ["avo", "eth", "cape_2d", "cape_3d", "ctt", "dbz", "mdbz",
              "geopt", "helicity", "lat", "lon", "omg", "p", "pressure", 
              "pvo", "pw", "rh2", "rh", "slp", "ter", "td2", "td", "tc", 
              "theta", "tk", "tv", "twb", "updraft_helicity", "ua", "va", 
-             "wa", "uvmet10", "uvmet", "z", "cfrac"]
+             "wa", "uvmet10", "uvmet", "z", "cfrac", "zstag"]
 
 INTERP_METHS = ["interplevel", "vertcross", "interpline", "vinterp"]
 
@@ -33,6 +33,7 @@ def copy_and_reduce(opts):
     infilename = opts.filename
     outfilename = os.path.expanduser(
         os.path.join(opts.outdir, "ci_test_file.nc"))
+    
     with Dataset(infilename) as infile, Dataset(outfilename, "w") as outfile:
     
         # Copy the global attributes
@@ -164,12 +165,14 @@ def main(opts):
     
     
 if __name__ == "__main__":
-    
+    DEFAULT_FILE = ("/Users/ladwig/Documents/wrf_files/"
+                    "wrf_vortex_multi/wrfout_d02_2005-08-28_12:00:00")
     parser = argparse.ArgumentParser(description="Generate conda test files "
                                      "for unit testing.")
-    parser.add_argument("-f", "--filename", required=True, 
+    parser.add_argument("-f", "--filename", required=False,
+                        default=DEFAULT_FILE, 
                         help="the WRF test file")
-    parser.add_argument("-o", "--outdir", required=True,
+    parser.add_argument("-o", "--outdir", required=False, default="./",
                         help="the location for the output files")
     opts = parser.parse_args()
     
diff --git a/test/ci_tests/utests.py b/test/ci_tests/utests.py
index bf233de..0a1535f 100644
--- a/test/ci_tests/utests.py
+++ b/test/ci_tests/utests.py
@@ -8,7 +8,8 @@ import subprocess
 from wrf import (getvar, interplevel, interpline, vertcross, vinterp,
                  disable_xarray, xarray_enabled, to_np,
                  xy_to_ll, ll_to_xy, xy_to_ll_proj, ll_to_xy_proj,
-                 extract_global_attrs, viewitems, CoordPair)
+                 extract_global_attrs, viewitems, CoordPair, 
+                 omp_get_num_procs, omp_set_num_threads)
 from wrf.util import is_multi_file
 
 TEST_FILE = "ci_test_file.nc"
@@ -210,7 +211,7 @@ if __name__ == "__main__":
                 "geopt", "helicity", "lat", "lon", "omg", "p", "pressure", 
                 "pvo", "pw", "rh2", "rh", "slp", "ter", "td2", "td", "tc", 
                 "theta", "tk", "tv", "twb", "updraft_helicity", "ua", "va", 
-                "wa", "uvmet10", "uvmet", "z", "cfrac"]
+                "wa", "uvmet10", "uvmet", "z", "cfrac", "zstag"]
     interp_methods = ["interplevel", "vertcross", "interpline", "vinterp"]
     latlon_tests = ["xy", "ll"]