diff --git a/main.py b/main.py
index 3c55283ae71d89686a7eb4e294b29cd54239456b..e4eb5aa5a9e026b61200bb4160befd7d07b0e5da 100644
--- a/main.py
+++ b/main.py
@@ -205,7 +205,7 @@ def main(*, data_path=_datapath, mod02=_fname_mod02, mod03=_fname_mod03,
                            'Polar_Day_Desert', 'Polar_Day_Desert_Coast', 'Polar_Day_Snow', 'Polar_Night_Snow',
                            'Polar_Ocean_Day', 'Polar_Ocean_Night', 'Day_Snow', 'Night_Snow']:
             SceneType = CloudTests(viirs_data, scene_name, thresholds)
-            cmin_G2 = SceneType.single_threshold_test('11-4um_BTD_Oceanic_Stratus_Test', 'M15-M13', cmin_G2)
+            cmin_G2 = SceneType.single_threshold_test('11-4um_Oceanic_Stratus_Test', 'M15-M13', cmin_G2)
 
     # --------------------- #
     # ### Group 3 tests ### #
diff --git a/read_data.py b/read_data.py
index 087c32b4dda9ea021e3fd4cc6c9f13ce7bf7d804..9daa89b9812fa8c092be563b4a66be9e13ac67cb 100644
--- a/read_data.py
+++ b/read_data.py
@@ -141,6 +141,8 @@ def get_data(file_names, sunglint_angle):
                              viirs_data.M15.values - viirs_data.M14.values)
     viirs_data['M15-M16'] = (('number_of_lines', 'number_of_pixels'),
                              viirs_data.M15.values - viirs_data.M16.values)
+    viirs_data['M15-M13'] = (('number_of_lines', 'number_of_pixels'),
+                             viirs_data.M15.values - viirs_data.M13.values)
 
     scene_flags = scn.find_scene(viirs_data, sunglint_angle)
     scene = scn.scene_id(scene_flags)
diff --git a/thresholds.mvcm.snpp.v0.0.1.yaml b/thresholds.mvcm.snpp.v0.0.1.yaml
index ee93ccae941841317b02c76feab517c74766008e..654002ee9cec7a601c2b864c31e557370dea123a 100644
--- a/thresholds.mvcm.snpp.v0.0.1.yaml
+++ b/thresholds.mvcm.snpp.v0.0.1.yaml
@@ -9,7 +9,7 @@ Land_Day:
     cmult: 0.3
     adj: 1.25
   dl_ref3_tpw    : -10.00
-  test11_4lo     : [-16.0, -14.0, -12.0, 1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-16.0, -14.0, -12.0, 1.0, 1.0]
   CO2_High_Clouds_Test: [222.0, 224.0, 226.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
   vis_refl_test  : [0.207, 0.169, 0.132, 1.0, 1.0] # used to be dlref1
@@ -51,7 +51,7 @@ Land_Day_Coast:
     cmult: 0.3
     adj: 1.25
   dl_ref3_tpw_t2 : -10.00
-  test11_4lo     : [-16.0, -14.0, -12.0, 1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-16.0, -14.0, -12.0, 1.0, 1.0]
   CO2_High_Clouds_Test: [222.0, 224.0, 226.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
   dlref1_t2      : [0.207, 0.169, 0.132, 1.0, 1.0]
@@ -103,7 +103,7 @@ Ocean_Day:
     coeffs: [3.0, 1.0]
     cmult: 0.3
     adj: 1.25
-  test11_4lo     : [-11.0, -9.0,  -7.0,  1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-11.0, -9.0,  -7.0,  1.0, 1.0]
   11um_Test: [267.0, 270.0, 273.0, 1.0, 1.0]
   CO2_High_Clouds_Test: [222.0, 224.0, 226.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
@@ -144,7 +144,7 @@ Ocean_Night:
     cmult: 0.3
     adj: 1.0
   no_intadj      : 0.0
-  no11_4lo       : [1.25,   1.00, 0.25,  1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [1.25,   1.00, 0.25,  1.0, 1.0]
   11um_Test: [267.0, 270.0, 273.0, 2.0, 1.0]
   CO2_High_Clouds_Test: [222.0, 224.0, 226.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
@@ -166,7 +166,7 @@ Polar_Day_Land:
     cmult: 0.3
     adj: 0.3
   pdl_ref3_tpw   : -10.00
-  test11_4lo     : [-16.0, -14.0, -12.0, 1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-16.0, -14.0, -12.0, 1.0, 1.0]
   pdlh20         : [215.0, 220.0, 225.0, 1.0, 1.0]
   pdlref1        : [0.207, 0.169, 0.132, 1.0, 1.0]
   1.38um_High_Cloud_Test: [0.0375,  0.0250, 0.0125,  1.0, 1.0]
@@ -196,7 +196,7 @@ Polar_Day_Coast:
     cmult: []  # I NEED TO WORK ON THIS
     adj: []    # I NEED TO WORK ON THIS
   pdl_ref3_tpw_t2 : -10.00
-  test11_4lo      : [-16.0, -14.0, -12.0, 1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-16.0, -14.0, -12.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
   pdlref1_t2      : [0.207, 0.169, 0.132, 1.0, 1.0]
   1.38um_High_Cloud_Test: [0.0375,  0.0250, 0.0125,  1.0, 1.0]
@@ -303,7 +303,7 @@ Polar_Ocean_Day:
     bias: 0.96
     midpt_coeff: 0.0200
     locut_coeff: 0.0100
-  pdo11_4lo      : [-11.0, -9.0,  -7.0,  1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [-11.0, -9.0,  -7.0,  1.0, 1.0]
   11um_Test: [267.0, 270.0, 273.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
   pdovrathi      : [1.001, 1.154, 1.205, 1.0, 1.0]
@@ -325,7 +325,7 @@ Polar_Ocean_Night:
     adj: 1.0
   pnobt1         : 280.0
   pno_intadj     : 0.0
-  pno11_4lo      : [1.25,  1.00,  0.25,  1.0, 1.0]
+  11-4um_Oceanic_Stratus_Test: [1.25,  1.00,  0.25,  1.0, 1.0]
   pno_11_4_pfm   : 1.0
   11um_Test: [267.0, 270.0, 273.0, 1.0, 1.0]
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]