diff --git a/CHANGES.rst b/CHANGES.rst
index 8b8d5d07..fcb487ad 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-1.4.1 (2023-06-29)
+1.4.2 (unreleased)
 ==================
 
 Bug Fixes
@@ -7,6 +7,17 @@ Bug Fixes
 jump
 ~~~~
 
+- Added setting of number_extended_events for non-multiprocessing
+  mode. This is the value that is put into the header keyword EXTNCRS. [#178]
+
+1.4.1 (2023-06-29)
+
+Bug Fixes
+---------
+
+jump
+~~~~
+
 - Added statement to prevent the number of cores used in multiprocessing from
   being larger than the number of rows. This was causing some CI tests to fail. [#176]
 
diff --git a/src/stcal/jump/jump.py b/src/stcal/jump/jump.py
index 250d1ebe..078d58b0 100644
--- a/src/stcal/jump/jump.py
+++ b/src/stcal/jump/jump.py
@@ -262,13 +262,15 @@ def detect_jumps(frames_per_group, data, gdq, pdq, err,
                            only_use_ints=only_use_ints)
         #  This is the flag that controls the flagging of either snowballs.
         if expand_large_events:
-            flag_large_events(gdq, jump_flag, sat_flag, min_sat_area=min_sat_area,
+            total_snowballs = flag_large_events(gdq, jump_flag, sat_flag, min_sat_area=min_sat_area,
                               min_jump_area=min_jump_area,
                               expand_factor=expand_factor,
                               sat_required_snowball=sat_required_snowball,
                               min_sat_radius_extend=min_sat_radius_extend,
                               edge_size=edge_size, sat_expand=sat_expand,
                               max_extended_radius=max_extended_radius)
+            log.info('Total snowballs = %i' % total_snowballs)
+            number_extended_events = total_snowballs
         if find_showers:
             gdq, num_showers = find_faint_extended(data, gdq, readnoise_2d,
                                                    frames_per_group, minimum_sigclip_groups,
@@ -280,6 +282,8 @@ def detect_jumps(frames_per_group, data, gdq, pdq, err,
                                                    ellipse_expand=extend_ellipse_expand_ratio,
                                                    num_grps_masked=grps_masked_after_shower,
                                                    max_extended_radius=max_extended_radius)
+            log.info('Total showers= %i' % num_showers)
+            number_extended_events = num_showers
     else:
         yinc = int(n_rows / n_slices)
         slices = []
diff --git a/tests/test_jump.py b/tests/test_jump.py
index ddfcbed1..49d65ba0 100644
--- a/tests/test_jump.py
+++ b/tests/test_jump.py
@@ -162,6 +162,7 @@ def test_find_faint_extended():
                                            ellipse_expand=1.1, num_grps_masked=3)
     #  Check that all the expected samples in group 2 are flagged as jump and
     #  that they are not flagged outside
+    assert (num_showers == 3)
     assert (np.all(gdq[0, 1, 22, 14:23] == 0))
     assert (np.all(gdq[0, 1, 21, 16:20] == DQFLAGS['JUMP_DET']))
     assert (np.all(gdq[0, 1, 20, 15:22] == DQFLAGS['JUMP_DET']))
@@ -210,6 +211,7 @@ def test_find_faint_extended_sigclip():
                                            ellipse_expand=1.1, num_grps_masked=3)
     #  Check that all the expected samples in group 2 are flagged as jump and
     #  that they are not flagged outside
+    assert(num_showers == 0)
     assert (np.all(gdq[0, 1, 22, 14:23] == 0))
     assert (np.all(gdq[0, 1, 21, 16:20] == 0))
     assert (np.all(gdq[0, 1, 20, 15:22] == 0))
@@ -265,10 +267,14 @@ def test_inputjumpall():
 @pytest.mark.skip("Used for local testing")
 def test_inputjump_sat_star():
     testcube = fits.getdata('data/input_gdq_flarge.fits')
-    flag_large_events(testcube, DQFLAGS['JUMP_DET'], DQFLAGS['SATURATED'], min_sat_area=1,
-                      min_jump_area=6,
-                      expand_factor=2.0, use_ellipses=False,
-                      sat_required_snowball=True, min_sat_radius_extend=2.5, sat_expand=2)
+    num_extended_events = flag_large_events(testcube, DQFLAGS['JUMP_DET'], DQFLAGS['SATURATED'],
+                                            min_sat_area=1,
+                                            min_jump_area=6,
+                                            expand_factor=2.0,
+                                            sat_required_snowball=True,
+                                            min_sat_radius_extend=2.5,
+                                            sat_expand=2)
+    assert(num_extended_events == 312)
     fits.writeto("outgdq2.fits", testcube, overwrite=True)